Matter

Through what process do atoms come together and form molecules?

• gluing

• mixing

• vibrating

• chemical bonding

Which is an example of matter?

• air

• energy

• light

• sound

Tags

NGSS.MS-PS1-1

According to the particle theory of matter, there is space between the small particles that make up matter. The space between particles differs depending on the state of the matter. Which list ranks the states of matter, according to the spacing between particles, from largest to smallest?

• solid, liquid, gas

• gas, solid, liquid

• liquid, gas, solid

• gas, liquid, solid

Students took some ice cubes out of the freezer at 1:00 pm. An hour later, they observed how the ice cubes had changed.

• chemical because a liquid formed

• physical because it happened over time

• physical because no new substance was formed

• chemical because heat caused the change

Tags

NGSS.MS-PS1-4

The melting point of a solid is 24. 9 degrees. As heat is added to melt the solid, what happens to the particles?

• The particles have less energy

• The particles will vibrate slower

• The particles move farther apart

• The particles move closer together

Tags

NGSS.MS-PS1-4

All atoms of the same __________ have the same properties.

• elements

• compounds

• mixtures

• chemicals

Which is an example of a different substance being formed?

• glass breaking

• metal melting

• water freezing

• wood burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

An ice cube has a mass of 25 grams. The ice cube is placed in a glass and melts. What is TRUE about the ice cube?

• The melted ice cube has a mass of 15 grams.

• The mass of the ice cube is more than the mass of the melted cube.

• The mass of the ice cube is the same as the mass of the melted cube.

• The mass of the ice cube is less than the mass of the melted cube.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This table shows the boiling point and melting point of 4 elements. A scientist has a liquid sample of 1 of these 4 elements. The scientist knows that the temperature of the sample is 1,000 degrees celsius. What is the identity of the sample?

• copper

• gold

• iron

• silver

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which phase change causes an increase in the motion of atoms?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4