7-SCIENCE-VOCABULARY: CH. 7
Terms
undefined, object
copy deck
- Exothermic Reaction
- a chemical reaction that absorbs energy in green plants
- Law of Conservation of Mass
- a law stating that atoms are not created or deatroyed ina chemical reaction
- Reactant
- a substance that is present at the beginning of a chemical reaction and is changed into a new substance
- Product
- a substance formed by chemical reactions. A product is made by the rearrangement of atoms and bonds in reacants
- Photosynthsis
- the enothermic procession in which light is absorbed and used to change carbon dioxide and water into glucose and oxygen
- Precipitate
- a solid substance that forms as a result of a reaction between chemicals in 2 liquids
- Bond Energy
- the amount of energy in a chemical bond between atoms
- Catalyst
- a substance that increases the rate of chemical reactions but in not consumed in the reaction
- Chemical Reactions
- the process by which chemical changes occur.Ina chemical reaction, atoms are rearranged, and chemical bonds are broken and formed
- Coefficient
- the number before a chemical formula that indicates how many molecules are involved in a chemical reaction
- Respiration
- the exothermic process by which living things release energy from glucose and oxygen and produce carbon dioxide and water