Heat & Matter Unit Test STUDY GUIDE

Which of the following explains the process of radiation?

• When heat gets transferred through a liquid or gas.

• When the measurement of heat in the atmosphere goes down.

• When heat gets transferred through objects that are touching.

• When heat gets transferred through electromagnetic waves that move through space.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When there is not enough ____________, change in a substance cannot occur.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the difference between a conductor and an insulator?

• A conductor can get heat transfer through convection and conduction, and an insulator can only get heat transfer from radiation.

• A conductor can only get heat transfer through conduction and an insulator can only get heat transfer from radiation.

• A conductor lets heat pass through it easily and an insulator does not let heat pass through it easily.

• A conductor is unaffected by heat and an insulator is extremely affected by heat.

Tags

NGSS.MS-PS3-3

If two objects have different temperatures, in which direction will heat move?

• From highest temperature to lowest temperature

• From lowest temperature to highest temperature

• From metal to metal

• From metal to nonmetal

Tags

NGSS.MS-PS1-4

The movement of molecules within an object or substance.

• Thermal energy

• Heat

• Potential energy

• Total internal energy

Tags

NGSS.MS-PS1-4

What happens to water molecules when a large quantity of thermal energy (heat) is added to water in the liquid state?

• The water molecules become packed closer together, and their temperature increases.

• The molecules gain kinetic energy, move farther apart, and become a gas.

• Each water molecule gives up kinetic energy and eventually stops moving.

• The more thermal energy added, the greater the attraction between molecules.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy is removed from a sample of helium. All of the following changes will result from this EXCEPT–

• the molecules will become closer together.

• the molecules will slow down.

• the temperature of the system will decrease.

• total energy in the system increases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The total thermal energy of a system depends jointly on the temperature, total number of _____________ in the system, and the _____________ of the material. (select two answers)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Convection currents occur:

• Only in gases

• In both liquids and gases

• Only in liquids

• Weakly in solids

Tags

NGSS.MS-ESS2-6

One of the band members poured a cup of tea. She left her spoon in the cup as she turned to tune her guitar. Myron, who was curious, flapped across the room. He landed on the spoon’s handle. If Myron had vocal cords, he would have screamed! His feet felt like he had landed in a fire. Myron fluttered away as fast as his wings would carry him. What did Myron experience?

• radiation

• convection

• conduction