Chemical and Physical Changes Quiz

A student was eating an ice cream cone on a hot summer day. What happened to the ice cream after five minutes?

• A physical change caused the ice cream to freeze.

• A physical change caused the ice cream to melt.

• A chemical change caused the ice cream to freeze.

• A chemical change caused the ice cream to melt.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which statement describes an example of a chemical change?

• melting chocolate, because it is a change in state that cannot be undone

• boiling water, because the temperature causes the water to evaporate

• freezing juice, to make ice pops because it causes a new substance to be formed

• baking cupcakes, because the temperature causes a change that cannot be undone

Tags

NGSS.MS-PS1-2

A student placed a tray of ice cubes on the counter for thirty minutes. What effect did the temperature change have on the ice cubes?

• It caused a chemical change and the ice turned into water.

• It caused a chemical change and the ice turned into water vapor.

• It caused a physical change and the ice turned into water vapor.

• It caused a physical change and the ice turned into water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Chemical changes can occur when temperature changes. Choose two examples.

• Burning wood

• Mixing salt and cold water

• Heating sugar to form caramel

• Mixing sugar with hot water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

NGSS.MS-PS3-4

A student is investigating what happens when butter is left outside on a hot, sunny day. The diagram shows the student’s observations. Which statement describes the student’s observations?

• A physical change happened because the butter can be turned back into a solid.

• A chemical change happened because the butter changed into a new substance.

• A chemical change happened because the shape of the butter is different.

• A physical change happened because the color of the butter changed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

NGSS.MS-PS3-4

A student is investigating the changes that occur while making pudding. He combines milk and pudding mix by stirring it. Then he puts it in a pot and places it on the stove. As it starts to boil, he notices that it begins to thicken and become darker in color. He then pours the finished pudding into a dish. What type of change occurred and why?

• A chemical change occurred because the pudding mix dissolved in the milk when it was heated.

• A physical change occurred because the mixture changed color when the temperature increased.

• A chemical change occurred because the mixture became a new substance after being heated.

• A physical change occurred because the temperature of the milk and pudding mixture increased.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2