Unit 1Thermal Energy

Particles are spaced the farthest apart in ____________ and the closest together in ____________ . Select the answer that best completes the sentence.

• liquids; solids

• gases; solids

• gases; liquids

• solids; gases

Tags

NGSS.MS-PS1-4

A solid can turn into a gas if enough _____________

is added.

Tags

NGSS.MS-PS1-4

Which of the following would be the best at transferring thermal energy?

• rubber floor mat

• fiberglass insulation

• iron radiator

• Styrofoam cup

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In which state does water have the lowest average kinetic energy?

• gas

• liquid

• solid

• thermal energy

Tags

NGSS.MS-PS3-4

_________ is the transfer of energy through direct contact.

• Convection

• Conduction

• Radiation

___________ is the transfer of energy through a wave.

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

__________ is the transfer of energy through a medium such as liquid or a gas.

• Convection

• Conduction

• Radiation

Particles are spaced the farthest apart in _______ and the closest together in _______ .

• solids;gases

• solids;liquids

• gases;liquids

• gases;solids

Which of the following statements is most accurate?

• When liquid water is heated, the molecules move faster.

• When liquid water is heated, collisions between molecules are more violent.

• When liquid water is heated, the molecules collide more often.

• All of these

Tags

NGSS.MS-PS1-4

I am using a graduated cylinder to measure the volume of my keys. Before I place the keys in, the volume is 35 mL. After I place the keys in, the volume is 64 mL. What is the volume of my keys?

• 19cm³

• 29cm³

• 99cm³

• 64cm³