Physical and Chemical Changes 4th Grade

Multiple Choice

What are the changes that occur to food as it is prepared?

• Physical changes

• Chemical changes

• Both physical and chemical changes

• No changes occur

Multiple Choice

You can change a piece of paper in many ways. But in order for it to be a physical change...

• The paper needs change into a new substance at the end

• The paper needs to still be paper at the end

• The paper needs to be burned

• None of the other answers

Open Ended

What are some different ways that you can make a physical change to a piece of tin foil?

Open Ended

Why is a change in the state of matter considered a physical change?

Multiple Choice

Choose the best description below for the image

• physical change

• chemical change

Open Ended

What is rust and how is it formed?

Multiple Select

Which of these drawings shows a chemical change? (Only choose one answer)

Multiple Select

Four items are affected by a change in temperature. Which one of the following results in a chemical change? (Only choose one answer)

• water drops forming on a cold soda can

• a wet beach towel drying in the sun

• melting chocolate on a stove

• making cookies in an oven

Multiple Choice

A change in traits- such as color, size, and shape- that DOES NOT change what the substance is made of is a _________________ change.

• Physical

• Chemical

Multiple Choice

The process where a substance changes into a new substance is called a _____________ change.

• Physical

• Chemical

Dropdown

Breaking chalk is a ​

Select answer

change.

Rusting iron is a ​

Select answer

change.

Subliming dry ice is a ​

Select answer

change.

Multiple Choice

What are the four clues that indicate a chemical change has occurred?

• Smell, Color, Heat, Substance created

• Color, Texture, Smell, Heat

• Substance given off, Shape, Smell, Color

• Heat, Smell, Texture, Substance created

Multiple Choice

Which list of observations is the best evidence of only a chemical change occurring?

• new odor, smoke released, color change

• new shape, drying out, texture change

• new temperature, shorter length, state change

• new volume, stretched out, color change

Open Ended

What are three chemical changes you can find around your home? Explain why each is a chemical change.

Categorize

Options (8)

baking a cake

toasting bread

freezing water

boiling water

melting ice cream

mixing sand and salt

A rusting truck

Milk going sour

Organize these options into the right categories

Physical change

Chemical change