Chemical Reactions and Enzymes

Chemical Reactions and Enzymes

Assessment

Assessment

Created by

Casey House

Biology

9th - 12th Grade

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12 questions

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1.

Multiple Choice

30 sec

1 pt

A process that changes one set of chemicals into a new set of chemicals.

chemical reaction

physical reaction

synthetic reaction

chemical production

2.

Multiple Choice

30 sec

1 pt

____ are the elements and compounds that go into a reaction.

Reactants

Products

Molecules

Ingredients

3.

Multiple Choice

30 sec

1 pt

___ are the elements and compounds that are created by a reaction.

Products

Reactants

Molecules

Ingredients

4.

Multiple Choice

30 sec

1 pt

The energy needed to start a reaction is called the

activation energy

starting energy

promoting energy

reacting energy

5.

Multiple Choice

30 sec

1 pt

A catalyst is an enzyme that

A) speeds up the rate of a reaction.

B) reduces the amount of energy needed for a reaction to start.

Both A and B are correct

Neither A nor B are correct

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