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144 Cards in this Set
- Front
- Back
Observation
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The process of using one or more of your senses to gather information.
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Qualitative Observation
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An observation that deals with characteristics that cannot be expressed in numbers.
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Quantitative Observation
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An observation that deals with a number or account.
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Inference
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The process of making an inference, It an interpretation based on observations and prior knowledge.
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Hypothesis
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A possible explanation for a set of observations or answer to a scientific question; Must be testable.
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Variable
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A factor in an experiment that can change.
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Controlled experiment
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An experiment in which only one variable is manipulated at a time.
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Manipulated variable
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The one factor that a scientist changes in an experiment; also called a independent variable.
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Responding variable
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The factor that changes as a result of changes to the manipulated, or independent, variable in a n experiment; also called dependent variable.
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Data
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Facts, figures, and other evidence gathered through observations.
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Cell
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The basic unit of function and structure in living things.
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Organelle
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A tiny cell structure that carries out a specific function within the cell.
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Element
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Any substance that cannot be broken down into simpler substances.
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Compound
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Two or more elements that are chemically combined.
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Carbohydrate
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An energy-rich organic compound made up of the elements carbon, hydrogen, and oxygen.
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Observation
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The process of using one or more of your senses to gather information.
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Qualitative Observation
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An observation that deals with characteristics that cannot be expressed in numbers.
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Quantitative Observation
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An observation that deals with a number or account.
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Inference
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The process of making an inference, It an interpretation based on observations and prior knowledge.
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Hypothesis
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A possible explanation for a set of observations or answer to a scientific question; Must be testable.
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Variable
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A factor in an experiment that can change.
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Controlled experiment
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An experiment in which only one variable is manipulated at a time.
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Manipulated variable
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The one factor that a scientist changes in an experiment; also called a independent variable.
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Responding variable
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The factor that changes as a result of changes to the manipulated, or independent, variable in a n experiment; also called dependent variable.
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Data
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Facts, figures, and other evidence gathered through observations.
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Cell
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The basic unit of function and structure in living things.
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Organelle
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A tiny cell structure that carries out a specific function within the cell.
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Element
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Any substance that cannot be broken down into simpler substances.
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Compound
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Two or more elements that are chemically combined.
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Carbohydrate
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An energy-rich organic compound made up of the elements carbon, hydrogen, and oxygen.
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Lipid
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Energy-rich organic compound, such as fat, oil, or wax, that is made of carbon, hydrogen, and oxygen.
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Protein
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Large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
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Amino acid
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A small molecule that is linked chemically to other amino acids to form proteins.
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Enzyme
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A protein that speeds up chemical reactions in a living thing.
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Producer
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An organism that can make its own food.
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Seed
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The plant structure that contains a young plant inside a protective covering.
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Stem
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The above ground structure of a plant that supports leaves and flowers and contains vascular tissue.
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Vascular tissue
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The internal transporting tissue in some plants that is made up of tubelike structures.
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Stamen
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A male reproductive part of a flower.
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Sepals
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A leaflike structure that encloses the bud of a flower.
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Eukaryote
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An organism whose cell contains nuclei.
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Conjugation
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The process in which a unicellular organism transfers some of its genetic material to another unicellular organism.
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Sexual reproduction
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A reproduction process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents.
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Nutrient
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Substances in food that provide the raw materials and energy a body needs to carry out all its essential processes.
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Nucleic acid
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Very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, and phosphorus, that contains the instructions cells need to carry out all the functions of life.
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DNA
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Deoxyribonucleic acid; the genetic materal that carries information about an organism ans is passed from parent to offspring.
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RNA
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Ribonucleic acid; a nucleic acid that plays an important role in the production of proteins.
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Organic compound
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A compound that contains carbon.
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inorganic compound
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a compound that does not contain carbon.
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diffusion
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The process by which molecules from an area of higher concentration to an area of lower concentration.
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osmosis
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The diffusion of water molecules through a selectively permeable membrane.
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active transport
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The movement of materials through a cell membrane using energy.
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photosynthesis
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The process in which some organisms use water along with sunlight and carbon dioxide to make their own food.
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respiration
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The process by which cells break down simple food molecules to release the energy they contain.
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autotroph
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An organism that makes its own food.
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heterotroph
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An organism that cannot make its own food.
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Mitosis
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The stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell.
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Interphase
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The stage of the cell cycle that takes place before cell division occurs.
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cytokinesis
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The final stage of the cell cycle, in which the cell's cytoplasm divides, distributing the organelles into each of the two new cells.
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DNA replication
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The process of copying a double stranded DNA molecule.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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consumer
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An organism that obtains energy by feeding off other organisms.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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consumer
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An organism that obtains energy by feeding off other organisms.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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consumer
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An organism that obtains energy by feeding off other organisms.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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vitamin
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Molecules that act as helpers in a variety of chemical reactions within the body.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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Pistil
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The female part of a plant
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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consumer
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An organism that obtains energy by feeding off other organisms.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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consumer
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An organism that obtains energy by feeding off other organisms.
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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Pistil
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The female part of a plant
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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Pistil
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The female part of a plant
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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Pistil
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The female part of a plant
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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Pistil
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The female part of a plant
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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mineral
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Nutrients that are needed by the body in small amounts and are not made by living things.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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consumer
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An organism that obtains energy by feeding off other organisms.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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good job
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good job
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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decomposer
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An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
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root
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In vascular plants, the organ of a plant that typically lies beneath the soil.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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good job
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good job
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leaves
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part of a plant that is used for photosynthesis and to store nutrients and water.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective cover.
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Pistil
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The female part of a plant
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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good job
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good job
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good job
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good job
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Petals
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Part of a flower that protects the seed and is held up by the sepals.
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Prokaryote
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an organism whose cell lacks a nucleus and some other cell structures.
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binary fission
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A form of asexual reproduction in which one cell divides to form two identical cells.
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Asexual reproduction
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a reproduction process that involves only one parent that creates two offspring that are identical to the parent.
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fat/oil
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Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
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good job
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good job
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good job
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good job
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