Physical and Chemical Changes Review Game

Which example best describes a physical change?

• baking a pie
• burning a candle
• making a paper airplane
• mixing vinegar with baking soda

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

Tags

NGSS.MS-PS1-4

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

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Wendy left her bike outside, buried in snow. In the spring, when the snow melted, she found her bike covered in rust. Which best describes the change to the bike?

• It was a chemical change, because the bike was a different color.
• It was a chemical change, because the rubber tires were deflated.
• It was a chemical change, because rust can be removed from the metal.It was a chemical change, because rust is a new substance on the metal.
• It was a chemical change, because rust can be removed from the metal.

Tags

NGSS.MS-PS1-2

A scientist mixes two liquids together. The result is a new solid substance. Which of these is true about this solid?

• The solid has different properties now compared to the two liquids.

• The solid was formed by a physical change, not a chemical change, in the two liquids.

• The solid can be separated back into the two liquids.

• The solid has the same state of matter as the two liquids.

Tags

NGSS.MS-PS1-2

Tearing paper into small pieces is an example of a

• Mixture

• Physical change

• Chemical change

Which of the following is a chemical change?

• Cutting bread

• Slicing carrots

• Melting butter

• Soured milk

Tags

NGSS.MS-PS1-2

Which change creates a NEW substance?

• Physical change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-LS1-7