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CH3 Chem&Cell Energy
Chemistryand Cell Energy Review
| Question | Answer |
|---|---|
| one type of element | Atom |
| Element | a group of the same type of atoms- can be found on the periodic table of elements |
| Compound | 2 or more elements chemically bonded together |
| Ion | an element that has gained or lost an electron |
| Covalent bond | a bond where electrons are shared |
| ionic bond | a bond where electrons are transferred |
| if an element has + charge does that mean it gained or lost electrons? | lost |
| If an element has a - charge does that mean it gained or lost electrons? | gained |
| Subatomic particle that is postively charged | proton |
| subatomic particle that is negatively charged | electron |
| subatomic particle that is neutral (no charge) | neutron |
| the two particles that make up the mass of an atom | protons and neutrons |
| the particle that is not in the nucleus of an atom | electron |
| a bond that occurs between a nonmetal and a nonmetal | covalent bond |
| a bond that occurs between a metal and a nonmetal | ionic bond |
| two or more substances put together | mixture |
| a change that does not actually change a substance | physical |
| a change that forever changes a substance | chemical |
| a substance that contains carbon and is found in living or dead things | organic |
| a substance that does not contain much carbon and is found in nonliving things | inorganic |
| an inorganic compound that is essential to life | water |
| a type of molecule that the body uses for quick energy | carbohydrate |
| a type of molecule that the body uses of protection of organs and sometimes for energy | fat |
| a type of molecule that make a organism's genes | DNA |
| a type of molecule that builds muscle | protein |
| a type of protein that speeds up chemical reactions | enzyme |
| solid water is unique because... | it floats. so in winter the top of a pond might freeze but the bottom will stay liquid and the fish will survive. |
| how does water regulate Earth's temperatures? | during the day water absorbs heat from the sun and at night water releases heat |
| all the reactions in the body | metabolism |
| a process where plants take in sunlight, make carbohydrates, and release carbon dioxide | photosynthesis |
| a process where animals take in oxygen, break down carbohydrates, and releases carbon dioxide | cellular respiration |
| a pigment in plant cells that captures sunlight | chlorophyll in a chloroplast |
| how do plants store their carbohydrates? | in starch or cellulose |
| if an organisms body runs out of oxygen while trying to break down carbohydrates the process is called | fermentation |
| where does cellular respiration take place? | mitchondria |
| bacteria do fermentation to create lactic acid. Humans use this lactic acid to make | dariy products like yogurt and cheese |
| yeast do fermentation and it creates carbon dioxide. Humans use yeast to... | make bread rise |
| do plants do cellular respiration and photosynthesis | YES! |
| do animals do cellular respiration and photosynthesis | NO! - just cellular respiration. |
| What builds up in people when muscles begin to do fermentation (because they run out of oxygen)? | lactic acid |
Created by:
ruth.baker
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