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Chemical Reactions

Authored by Nicki Watford

Science

9th Grade

NGSS covered

Used 4+ times

Chemical Reactions
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________________ occurs when 2 or more reactants are transformed into a new substance(product).

chemical change

physical change

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

____________ is what you put together in a chemical reaction. They are located on the left of the equation.

reactants

products

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

____________ is what you get from a chemical reaction. They are located on the right side of the equation.

reactants

products

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

___________ are changes made to an ekement or compound that DO NOT form new substances.

chemical changes

physical changes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______________ reactions release heat. This is shown by a rise in temperature.

exothermic

endothermic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______________ reactions absorb heat. This is shown by a drop in temperature.

exothermic

endothermic

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

________ is any of various water-soluble compounds having a sour taste and a ph lower than 7.

acid

base

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