Matter Test

A student observed steam rising from the pot of boiling water. The molecules in the

steam are —

• moving very slowly as they rise

• packed tightly and barely moving

• spread apart and moving very fast

• packed tightly and moving a little

Tags

NGSS.MS-PS1-4

Which of these will change solid iron to a liquid?

• Crushing the solid iron

• Raising the air pressure

• Increasing its temperature

• Adding water to the iron

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

All matter is made of-

• gold

• mixtures

• atoms

• iron

Tags

NGSS.MS-PS1-1

When stirred together, which two substances form a solution?

• sand and salt

• sugar and salt

• sand and water

• sugar and water

A student made the model showing the particles in a solid. To improve the model, the student should-

• put the beads in a square container

• take out some beads so the particles can move more easily

• shake the container gently to show how the particles vibrate

• use different-colored beads to make the particles easier to see

Tags

NGSS.MS-PS1-1

Mixture or Solution?

• mixture

• solution

What causes molecules to move more quickly?

• heat

• cold

• food

• water

Tags

NGSS.MS-PS1-4

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 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.