PHYSICAL CHANGES

Question 1

What is a physical change?

Answer 1

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Question 2

True or False: Melting ice is an example of a physical change.

Answer 2

True

Question 3

Fill in the blank: When water vapor condenses into liquid water, this is an example of a __________ change.

Answer 3

physical

Question 4

Which of the following is NOT a physical change? A) Boiling water B) Rusting iron C) Freezing alcohol

Answer 4

B) Rusting iron

Question 5

List one example of a physical change that occurs when a solid is ground into a powder.

Answer 5

Crushing a rock into dust.

Question 6

True or False: Dissolving sugar in water is a physical change.

Answer 6

True

Question 7

What happens to the chemical composition of a substance during a physical change?

Answer 7

The chemical composition remains the same.

Question 8

Multiple Choice: Which of the following is a physical change? A) Burning wood B) Dissolving salt in water C) Baking a cake

Answer 8

B) Dissolving salt in water

Question 9

Short Answer: What is the result of a physical change concerning the state of matter?

Answer 9

The state of matter may change (solid, liquid, gas), but the substance remains the same.

Question 10

Fill in the blank: Freezing, melting, and evaporating are all examples of __________ changes.

Answer 10

physical