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66 Cards in this Set
- Front
- Back
Anything that occupies space and has mass |
Matter |
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Substances that cannot be broken down by ordinary means |
Elements |
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What can you think of your element as |
Flavors of candy (atom) |
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SPONCH |
Sulfur, phosphorous, oxygen, nitrogen, carbon, and hydrogen |
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What 4 elements makes 96% of your body? |
Carbon, hydrogen, oxygen, and notrogen |
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What does the periodic table do for you? |
Shows all of the elements and their properties (characteristics) |
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2 or more of these elements linked chemically |
Compound |
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Sodium + chloride = |
Sodium chloride (table salt) |
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2 or more atoms covalently bonded |
Molecule |
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Very small units of matter |
Atoms |
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All living and nonliving things are composed of |
Atoms |
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Subatomic particles |
Protons (+) Neutrons (+-) Electrons (-) |
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Atoms can join together through |
Chemical bonding |
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Chemical reactions |
Reactant+reactant=product |
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Two major types of bonding |
Covalent bond and ionic bond |
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Strongest bond where atoms share electrons. Usually 2 elements that are closer together on the periodic table |
Covalent bond |
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Oppositely charged atoms are attracted to one another (+&-). Usually a metal and nonmetal |
Ionic bond |
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A scientific guess to explain an occurence |
Hypothesis |
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Scientist use a set standard for conducting research |
Scientific method |
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Step 1 |
Onservation, question, research |
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Step 2 |
Conduct a hypothesis (educated guess) |
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Step 3 |
Controlled experiment |
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Step 4 |
Collet data |
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Step 5 |
Analyze data |
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Step 6 |
Draw a conclusion by evaluating results |
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An excitement that contains only one experimental variable. The experimental or independent variable is the thing being tested |
Controlled experiment |
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The thing being tested |
Experimental or independent variable |
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All variables that are the same are called |
Constants |
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The data that is observed and measured as a result of the independent variable |
Dependent variable |
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An explanation of a natural phenomenon that is backed by scientific evidence |
Theory |
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What is the elements carbs are made of? |
Carbon, hydrogen, oxygen |
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What monomer is the building block of carbs? |
Monosaccharides |
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What is the function of carbs? |
Source of usable energy for the cell, major part of plant cell structure, used for immediate or quick energy |
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What are some examples of carbs |
Glucose, sucrose, starch, cellulose |
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What elements make up lipids? |
Carbon, hydrogen, oxygen |
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What monomer is the building block of lipids |
Fatty acid |
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What is the function of lipids? |
Source of usable energy for the cell, part of the cell structure, used as stored or long term energy |
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What are some examples of lipids? |
Oils, fats |
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What elements make up proteins |
Carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur |
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What monomer is the building block of proteins |
Amino acids |
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What is the function of proteins |
Necessary for many functions such as eyesight, digestion, and movement, they speed up chemical reactions and protect the body from infection |
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What is an example of proteins |
Enzymes |
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What elements make up nucleic acids |
Carbon, hydrogen, oxygen, nitrogen, phosphate |
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What monomer is the building block of nucleic acids |
Nucleotides |
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What is the function of nucleic acids |
Carrie's the instruction for making proteins, genetic information |
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What is an example of nucleic acids |
DNA, RNA |
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What makes up 65 to 95% if our bodies |
Water |
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Water is the _______ which means that many things can easily dissolve in it |
Universal solvent |
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Water is ____ (has slight charge) |
Polar |
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What makes water an essential component of living things? |
Cohesion and adhesion and surface tension |
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Sticks together very well |
Cohesive |
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The cohesion allowsnit to form droplets making a kind of membrane |
Surface tension |
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Water can "climb" inside a tube with a very small diameter |
Capillary action |
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Contain carbon and hydrogen atoms |
Organic compounds |
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Large |
Macro |
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Contain 2 monosaccharides |
Disaccharide |
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Commonly found in milk |
Lactose |
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"Table sugar" transported in plants |
Sucrose |
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Carbohydrates formed from many individual sugars into long chains |
Polysaccharides |
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Lipids that contain phosphate (major components of cell membranes) |
Phospholipids |
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Lipids with 4 linked rings of carbon |
Steroid |
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Have only single bonds between carbs and max number of hydrogens (no no's) |
Saturated fats |
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Have double bo ads between carbons making less room for hydrogen |
Unsaturated fats |
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Proteins that help control chemical reactions by acting as a catalyst |
Enzymes |
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Speed up reactions by lowering activation energy |
Catalysts |
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What are the building blocks of macro molecules called? |
Monomers |