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Science

8th Grade

NGSS covered

PS.5 Changes in Matter Vocabulary
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes a physical change?

Atoms rearrange into different molecules

Nuclei split releasing large energy

New substance forms with new composition

Appearance changes but composition stays same

Tags

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a chemical equation, where are reactants and products located relative to the arrow?

Both right of the arrow

Both left of the arrow

Reactants left, products right

Reactants right, products left

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which reaction type absorbs energy from surroundings?

Exothermic reaction

Fusion reaction

Chain reaction

Endothermic reaction

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which reaction releases energy by splitting nuclei?

Endothermic reaction

Physical change

Fission reaction

Chemical reaction

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process joins nuclei and releases energy?

Chemical equation

Radiation emission

Nuclear fusion

Nuclear fission

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Law of Conservation of Mass in a closed system?

Mass equals energy released

Total mass increases with energy

Total mass decreases in reactions

Total mass remains constant

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term refers to substances formed after a chemical reaction?

Products

Waste

Radiation

Reactants

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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