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Physical and Chemical Changes Worksheet

Identify and differentiate between physical and chemical changes in matter.

Grade 7 Science ChemistryPhysical and Chemical Changes
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Multiple ChoiceTrue / FalseFill in the BlanksShort AnswerMatching

Standards

MS-PS1-2

Topics

ScienceChemistryPhysical ChangesChemical ChangesGrade 7
7 sections · Free to use · Printable
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Physical and Chemical Changes

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Read each question carefully and provide your best answer. This worksheet will test your understanding of physical and chemical changes in matter.

1. Which of the following is an example of a physical change?

a

Burning wood

b

Rusting of iron

c

Melting ice

d

Baking a cake

2. What is a key characteristic of a chemical change?

a

The substance changes state (solid, liquid, gas)

b

A new substance is formed

c

The shape or size of the substance changes

d

The substance's temperature changes

1. Dissolving sugar in water is a chemical change.

T

True

F

False

2. A physical change is always reversible.

T

True

F

False

1. In a   change, the chemical composition of the substance remains the same.

2. When a chemical change occurs, new   are formed.

3. Evidence of a chemical change might include a change in color, the production of gas, or the release of  .

1. Explain the difference between a physical change and a chemical change, providing one example for each.

2. List three indicators that suggest a chemical change has occurred.

Match each example with the type of change it represents.

1. Cutting paper

 

a. Chemical Change

2. Frying an egg

 

b. Physical Change

3. Water boiling

 

4. Digesting food