A student mixed together three different foods to make trail mix in the picture. Which is most likely true about this food?

• The matter in the trail mix is different from the matter in the three foods used to make it.

• The weight of the trail mix is greater than the weights of the three foods added together.

• You cannot easily reverse the change that formed the trail mix.

• The weight of the trail mix is equal to the weights of the three foods added together.

Which material is a good insulator?

• rubber

• copper

• iron

• aluminum

Tags

NGSS.MS-PS3-3

What will most likely happen when warm water is added to a bowl of cold water?

• The cold water particles will lose thermal energy, and the warmer ones will gain thermal energy.

• The warmer and colder particles will both lose thermal energy.

• The warmer and colder particles will both gain thermal energy.

• The warmer particles will lose thermal energy, and the colder particles will gain thermal energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which describes a change in which one or more new types of matter form?

• physical change

• chemical change

• heat transfer

• change of state

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A student measure the mass of the piece of metal shown in the picture. Then the student cut the metal into three pieces. She measured the mass of each piece and added the mass of the three pieces together. The total mass of the three pieces together was most likely

• 4 g.

• 6g.

• 12g.

• 36 g.

An ice cube is placed in the sun and melts. Which of the following processes cause this change in state?

• reacting

• heating

• cooling

• expanding

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which one is a clue that a chemical change is happening?

• A car door feels hot if you touch it on a sunny afternoon.

• A sheet of paper changes shape as you cut it with scissors.

• A liquid changes to a gas when it reaches a high temperature.

• The temperature in a beaker decreases when you mix two liquids in it.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these would you use to measure with a spring scale?

• weight

• temperature

• volume

• state of matter

How is a conductor different from an insulator?

• Heat moves more easily through a conductor than through an insulator.

• A conductor weighs more than in insulator does.

• An insulator weighs more than a conductor does.

• Heat moves more easily through an insulator than through a conductor.

Which is an example of a physical change?

• iron rusting when exposed to water

• a cake baking in the oven

• water freezing into ice cubes

• wood burning in a campfire

Tags

NGSS.MS-PS1-4