States of Matter

States of Matter

Let's review what we learned about the states of matter.

Multiple Select

Can you remember the three states of matter? Select all three:

• Solid

• Air

• Gas

• Water

• Liquid

The three states of matter are:

• Solid

• Liquid

• Gas

Solids

Are characterized by molecules that are so close together, barely any movement is possible.

Liquids

Have molecules that are flowing freely, far enough away from each other to allow some movement.

Gases

A characterized by molecules that far apart from each other, making it easy for them to move around

Multiple Choice

What causes a change in the states of matter?

• Light

• Energy

• Pressure

Multiple Choice

Is a change in a substance's states of matter a physical change or chemical change?

• Chemical

• Physical

Drag and Drop

Select all of the following examples that are chemical changes​ ​

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Drag these tiles and drop them in the correct blank above

Breaking a piggy bank

fireworks exploding

getting a haircut

melting icicle

hammering metal

mixing baking soda and vinegar

a rusty nail

Open Ended

In your own words, describe the difference between a chemical change and a physical change.

Remember:

A physical change alters the shape of an object without changing the chemical composition. A change in an object's chemical make-up that cannot be reversed is a chemical change.

Multiple Select

Select all of the following images that show a physical change:

A mixture

Is a combination or two or more substances that can be mixed together and then separated again

A solution

Is when two or more substances are combined and cannot be separated.

Multiple Choice

Which of the following is the word for something that is pure, and only made up of one thing?

• Solution

• Substance

• Mixture

• Compound

Drag and Drop

Select all of the following examples that are mixtures​

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Drag these tiles and drop them in the correct blank above

mud

macaroni salad

salt water

carbonated soda

Great Job! Don't forget:

• The three states of matter are solid, liquid and gas.

• A substance is something that is pure.

• A mixture is something that can be combined and then separated.

• A physical change is a change that changes an objects shape, but not the chemical make-up.