How does heat flow?

• Cold to hot
• Hot to cold
• Heat doesn't flow!
• Wait what?

What happens to the particles of a substance when heat is added?

• The particles move slower
• Nothing
• The particles move faster

 The average kinetic energy of the particles that make up a material is the ___________ of the material.

• temperature 
• thermal energy
• mechanical energy

A material with a _____ temperature has particles that have a great average kinetic energy. 

• high
• low

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A material with a _____ temperature has particles that have a low average kinetic energy. 

• high 
• low

Although energy can be transformed from one kind to another, energy can be created or destroyed.

• True
• False

the energy of motion

• thermal energy
• temperature
• heat
• kinetic energy

represents the average kinetic energy of the particles that make up a material

• thermal energy
• heat
• temperature
• kinetic energy

On which temperature scale does water freeze at 0°?

• Kelvin
• Celsius
• Fahrenheit

A temperature change in a substance always indicates that the

• state of the substance has changed
• kinetic energy of the particles has changed
• potential energy of the particles has changed
• mechanical energy of the substance has a changed