8th Ch14 Sec1 (Matter and Thermal Energy)

Which of the following methods will cause the molecules in a cup of water to move slower?

• swirling the water

• cooling the water

• heating the water

• stirring the water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What must be added to a substance to cause melting or evaporation?

• energy

• matter

• oxygen

• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Most substances contract when cooled because:

• the particles move slower and become farther apart

• the particles move faster and become closer together

• the particles move faster and become farther apart

• the particles move slower and become closer together

Tags

NGSS.MS-PS1-4

Which of the materials below is the best conductor of heat and electricity?

• air

• wood

• plastic

• copper

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

The motion of atoms or molecules within a substance

• temperature

• thermal energy

• kinetic energy

• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The average kinetic energy of the atomes or molecules within a substance.

• thermal energy

• kinetic energy

• temperature

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

energy of motion

• thermal energy

• sondensation

• water vapor

• kinetic enetgy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

matter in which atoms are closely spaced and vibrate in a fixed position.

• solid

• liquid

• gas

• water vapor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter in which atoms vibrate so much that they are far apart.

• liquid

• solid

• gas

• thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter in which atoms are constantly moving around and bumping into each other.

• mass

• gas

• liquid

• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4