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12 Cards in this Set
- Front
- Back
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Atoms |
Basic building blocks of all matter |
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Chemical bonds |
Attraction between two atoms that results from the sharing or transfer of outer electrons from one atom to another |
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Exothermic reactions |
Chemical reactions that release heat energy |
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Reactants |
Molecules present at the beginning of a reaction |
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Endothermic reactions |
Chemical reactions that absorb, take in heat heat energy from surroundings |
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Potential energy |
Inactive form of energy |
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Kinetic energy |
Active for of energy |
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Conservation of energy |
Principle that energy within a closed system is constant , but changes in form |
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Ionic bonds |
Oppositely charged ions that attract |
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Covalent bonds |
Atoms that make up a molecule share their electrons |
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Chloroplasts |
Small compartment in plant cells where reactions of photosynthesis occur |
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Thylakoids |
System of membrane bound compartments |
