2.4 Chemical Reaction and Enzymes

process that changes, or transforms one set of chemicals into another set of chemicals

• chemical reaction
• catalyst
• enzyme
• activation energy

Tags

NGSS.HS-PS1-4

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element or compound that enter into a chemical reaction

• reactant
• product
• catalyst
• enzyme

energy that is needed to get a reaction started

• activation energy
• enzyme
• catalyst
• chemical reaction

element or compound produced by a chemical reaction

• product
• reactant
• catalyst
• enzyme

Tags

NGSS.HS-PS1-6

substance that speeds up the rate of a chemical reaction

• catalyst
• enzyme
• activation energy
• substrate

protein catalyst that speeds up the rate of specific biological reactions

• enzyme
• substrate
• product
• reactant

reactant of an enzyme-catalyzed reaction

• substrate
• product
• reactant
• activation energy

Chemical reactions that __________ energy often occur on their own, or spontaneously.

• release
• absorb

Tags

NGSS.HS-PS1-4

Chemical reactions that ___________ energy will not occur without a source of energy.

• absorb
• release

Tags

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Energy

• heat
• light
• sound
• all answers

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