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89 Cards in this Set
- Front
- Back
Physical State |
The classification of matter as a solid, liquid, or gas. |
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Matter |
Anything that has mass and takes up space. |
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Mass |
The amount of matter in something; (measured in grams) |
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Physical properties |
Measurable characteristics that describe the physical state of something , including mass magnetism, temperature, density, shape, volume, and conductivity. |
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Density
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A physical property that measures how much matter an object contains for its size |
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Realative Density |
Compare which objects sink or float in water |
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Thermal Energy (aka heat) |
Energy that be measured by a thermoeter |
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Conductor |
Material that allows heat or electrical energy to easily flow through it. |
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Insulator |
Material through which heat or electricity does not easily flow through |
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Flow |
To move or travel smoothly in a certain direction |
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Electric Ciruit |
The pathway through which electrical current flows. |
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Magnetism |
The property of attracrion to a magnet. |
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Soluble |
Any substance that can dissolve in another |
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Soluvent |
The substance that dissolves into a solvent |
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Solute |
A substance that dissolves into a solvent |
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Boiling Point |
The tempature at which a substance changes states from a liquid to a gas. |
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Evaporation |
Physical change in matter from a liquid to a gas |
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Melting Point |
The tempature at which a substance changes states from a solid to a liquid |
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Condensentation |
Physical change in matter from a gas to a liquid |
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Phyiscal Change |
Make different without changing what hte material is made of such as cutting, folding, or melting. |
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Energy |
What is needed to do or cause change |
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Electrical Energy |
Energy resulting from the flow of charged particles |
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Sound Energy |
Mechanical Energy that travels as waves through the air or water and vibrates the ear drum upon contact |
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Light Energy |
Electromagnetic energy that can be sensed by the eye |
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Solution |
A particular type of mixture where a substance dissoves in another |
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Reflection |
Energy waves bouncing off the surface of an object |
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Mechanical Energy |
Energy produced by a machine or moving part |
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Freezing Point |
The tempature at which a substance changes from a liquid to a solid |
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Refraction |
The bending or redirection of energy waves as they pass from one substance to another |
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Lens |
A peice of curved glass or plastic that bends passing light to focus or spread the rays |
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Electric Current |
The flow of electricity around a circit |
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Force |
A push or pull that causes an object to move,stop, or change direction |
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Work |
Movement or change in something over a distance |
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Friction |
A force that resists the motion of surfaces sliding across one another |
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Gravity |
The force that causes objects with mass to attract one another |
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Mixture |
A combanation of 2 subtances where each keeps its own properties and both can easily be seperated |
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Direction |
A line or cource along which something is moving |
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Positon |
Where an object is located in space |
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Movement |
A change in position or location |
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Sun |
The star at the center of our Solar System that supplies heat and light to Earth |
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Delta |
A triangular landform where a river empties into another body of water |
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Weathering |
The breaking down of rocks, soil and minerals |
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Deposition |
The build-up of land by the settlement of sediment and soil in a new location |
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Runoff |
The movement of water on a surface to areas of lower election |
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Presipitation |
Rain, snow, sleet and hail that falls from clouds in the sky |
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Accumulation |
A buildup or gathering of something that accurs over time |
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Fresh Water |
Water found in rivers, lakes, glaciers, ice sheets and underground that contains low concentrations of salt |
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Water Cycle |
The constant movement of water through the land, air, oceans, and living things |
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Ocean |
The entire body of salt water that covers about 71% of the earth |
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Salt Water |
Water found in oceans (and few lakes) that contains 3-4% salt |
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Erosion |
The process by which the surface of the earth gets worn down |
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Sand Dune |
A ridge of sand created by wind |
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Canyon |
A deep gorge, typically one with a river flowing through |
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Landform |
A featur of Earth's surface that is part of the terrian |
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Moon |
A natural satellite that orbits the planet Earth |
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Earth |
The planet that all known life exists on |
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Environment |
The space, conditions, and all the living and nonliving things around an organsism |
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Impact |
Direct effect or change |
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Carrying Capacity |
The maximum population size that can be sustained by a given enviorment |
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Population |
All of the interacting members of the same species in an area |
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Overpopulation |
An increase in the number of individuals of a given species over what its ecosystem can sustain, often with both direct and indirect effects on other organisms in the ecosystem |
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Carbon Dioxide-Oxygen Cycle |
The movement of carbon dioxide and oxygen on Earth by the processes of respiration and photosynthesis |
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Oxygen |
A waste product produced by plants during photosynthesis that animals use for respiration |
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Carbon Dioxide |
A gas produced by cells during respiration; used in photosynthesis to produce sugars |
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Respiration |
A process by which animals use oxygen and food to make energy and carbon dioxide |
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Photosynthesis |
The process where plants use sunlight, water, and carbon dioxide to process sugar sugar and release oxygen |
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Species |
A group of organisms that are similar to one another and can combine to produce offspring |
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Reproduction |
The act of making copies or similar versions of something |
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Adaption |
An inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage that it provides |
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Niche |
The role an organism plays in its ecosystem |
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Camouflage |
Characteristics that help something to blend with the surrounding enviorment, making it harder to detect |
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Mimicry |
When an organism copies a characteristic of another organism to increase its changes for survival or reproduction |
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Migration |
The seasonal movement of animals from one place to another |
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Hibernation |
A process by which an organism slows its life functions for an extended period of time to preserve energy or resist harsh conditions |
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Predator |
An organism that hunts and feeds on another organism |
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Prey |
An animal that is hunted as food |
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Habitat |
The place or enviorment in which an organism naturally lives |
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Inherited Physical Trait |
A physical characteristic that an organism is born with that is passed to the organism from its parents |
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Learned Behavior |
Animal behavior that develops from observation or instruction |
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Aquired Physical Trait |
A trait one is not born with but that is gained due to lifestyle or enviorment |
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Inherited Behavior |
A behavior that an organism is born with that is passed to the organism from its parents |
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Egg |
The first stage in a life cycle |
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Larva |
Stage of complete metamorphosis during which the insect eats and grows and does not resemble the adult |
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Pupa |
Stage of complete metamorphosis during which the organism seems to be at rest and new body parts are forming (the changing stage) |
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Adult |
A fully grown organism |
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Nymph |
Stage of incomplete metamorphosis during which an insect eats and grows and resembles a smaller version of the adult |
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Life Cycle |
The stage or sequence of events through which and organism grows, reproduces, and dies |
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Complete Metamorphosis |
Type of development consisting of four distict stages: egg, larva, pupa, and adult |
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Incomplete Metamorphosis |
Type of development consisting of three stages: eggs, nymph, and adult |