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Chemical Reactions

Authored by Mercedes Duarte

Science

5th - 8th Grade

NGSS covered

Used 8+ times

Chemical Reactions
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30 questions

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1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

According to the law of conservation of mass, matter cannot be created or ________

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.

True

False

Tags

NGSS.MS-PS1-5

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

In a chemical reaction, atoms ________ and form new bonds.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Media Image

Look at the chemical equation.


How many atoms of mercury (Hg) are in the reactants?

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Look at the chemical equation.


Is it written correctly to show the Law of Conservation of Mass?

Yes

No

Tags

NGSS.MS-PS1-5

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Media Image

Look at the chemical equation.


How many atoms of nitrogen (N) are in the products?

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Look at the chemical equation.


Is it written correctly to show the Law of Conservation of Mass?

Yes

No

Tags

NGSS.MS-PS1-5

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