Free Printable Physical and Chemical Changes Review 101

Worksheets

Physical and Chemical Changes Review 101

Total questions: 20

Worksheet time: 40mins

Name

Class

Date

A property of matter that can be observed with the senses without changing the matter’s identity (often a change in form or appearance)

nonreactivity

chemical property

physical property

The amount of mass per each unit of volume of a substance (m/v)

density

volume

oxidation

A property of matter that involves a reaction (& the creation of a new substance)

chemical property

physical property

oxidation

The form (phase/physical state) in which a substance currently exists

chemical property

state of matter

reactivity

Identify which of the following is a Chemical Change:

Dissolving sugar in hot tea

Trimming the hedges

Milk turning sour

Identify which of the following is a Physical Change:

Freezing kool-aid into a popscicle

Burning a matchstick

Baking cake batter into a cake

Which of the following is a Physical Change?

Photosynthesis

Chewing bubble gum

Fireworks exploding

Which of the following would cause a Chemical Change in Baking Soda?

Mix it with Flour in a bowl

Dissolve it in Water

Mix it with Vinegar

Which of the following could cause a Physical Change in a raw egg?

Fry it in a pan

Drop it on the floor

Boil it in water

Soak it in vinegar until the shell dissolves

10.

Mixing the Vitamin C tablet with water and adding the brown iodine to the cup caused the water to become crystal clear. This was the result of a ___________change.

physical

chemical

11.

Water evaporating from a pot is a _____________ change.

physical

chemical

12.

Putting red food coloring and blue food coloring in a beaker of water which results in purple water is an example of a ______________change.

physical

chemical

13.

Brad accidentally left his crayon box in the car on a hot day. Which best explains what happened to his crayons?

crayons melted; changed from solid to liquid

crayons melted; changed from liquid to solid

crayons evaporated; changed from liquid to solid

14.

Which example best describes a physical change?

baking a pie

burning a candle

making a paper airplane

mixing vinegar with baking soda

15.

Which is the best example of a change that can be undone?

clay put in an oven to harden

cake batter put in an oven to bake

chocolate left in a warm car to melt

wood being burnt

16.

A glass of salt water is put on a windowsill. After several days the water has disappeared, and there is only a film of white crystals left in the bottom. Which best explains what has happened?

The salt caused the water to dry up.

The water evaporated and left the salt behind.

The water and the salt evaporated and left a film behind

There is no explanation. Magic

17.

Principal Templeton walked outside to replace the school’s flag. When she took down the old flag, she noticed it had been damaged by the sun. How had it most likely been changed?

The flag was larger.

The flag was smaller.

The flag’s colors were brighter.

The flag’s colors were dull and faded

18.

Which is an example of a chemical change?

melting ice to make water

baking cake batter to make a cake

putting cheese on bread to make a cheese sandwich

cutting an orange into slices for a snack

19.

Gwen’s family built a wood fire in the fireplace. The next day, Gwen noticed that there was no wood left in the fireplace, only ashes. Which best explains this?

Wood is separated from ashes as it burns.

Wood becomes a new substance as it burns.

Ashes have the same properties as wood.

Ashes are the same substance as wood.

20.

Which best explains what happens to the inside of an egg when it is boiled?

The liquid becomes solid.

The solid becomes a gas.

The solid becomes a liquid.

he liquid becomes a gas.

100 %

Physical and Chemical Changes Review 101

Total questions: 20

Worksheet time: 40mins

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