Physical v Chemical (Easy)

Physical v Chemical (Easy)

8th Grade

50 Qs

quiz-placeholder

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Physical v Chemical (Easy)

Physical v Chemical (Easy)

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-PS1-2, MS-PS1-5, MS-PS1-4

+1

Standards-aligned

Created by

Jenna Vujic

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a physical change?

A change that forms a new substance

A change in shape or state with no new substance

A change that burns material

A color change that cannot be reversed

Answer explanation

A physical change involves a change in shape or state, such as melting or freezing, without creating a new substance. This distinguishes it from chemical changes, which do form new substances.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an example of a chemical change?

Water freezing

Paper being cut

Wood burning

Ice melting

Answer explanation

Wood burning is a chemical change because it transforms the wood into ash and gases through combustion, altering its chemical structure. In contrast, freezing, cutting, and melting are physical changes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must happen for a chemical change to occur?

A new shape forms

A new substance forms

Temperature drops

A solid melts

Answer explanation

For a chemical change to occur, a new substance must form. This distinguishes chemical changes from physical changes, where the substance remains the same despite changes in shape or state.

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is a sign of a chemical change?

Folding a piece of paper

Dissolving sugar in tea

Gas bubbles forming in a reaction

Crushing a rock

Answer explanation

Gas bubbles forming in a reaction indicate a chemical change, as it shows a new substance is being produced. The other options involve physical changes, where the substance's chemical identity remains the same.

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which change is only physical?

Baking a cake

Rusting iron

Melting butter

Fireworks exploding

Answer explanation

Melting butter is a physical change because it only alters the state of the butter from solid to liquid without changing its chemical composition. In contrast, baking a cake, rusting iron, and fireworks exploding involve chemical changes.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens in a chemical change?

A substance keeps its identity

Atoms rearrange to form something new

No change in temperature

Matter disappears

Answer explanation

In a chemical change, atoms rearrange to form new substances, altering their identity. This distinguishes chemical changes from physical changes, where the substance retains its identity.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is not a sign of a chemical change?

Color change

Temperature change

Formation of gas

Breaking into smaller pieces

Answer explanation

Breaking into smaller pieces is a physical change, not a chemical one. In contrast, color change, temperature change, and gas formation indicate a chemical change due to new substances being formed.

Tags

NGSS.MS-PS1-2

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