Thermal Properties Review

Thermal conductivity measures...

• how hot or cold a substance is

• how quickly thermal energy moves through a substance

• how easily a substance bends

• the temperature of a substance

Tags

NGSS.MS-PS3-3

Which of these materials has the lowest thermal conductivity?

• air

• copper

• gold

• diamond

Thermal insulators are important for picking up hot items because they...

• transfer thermal energy quickly to your hands

• cool down the items they touch

• heat up the items they touch

• transfer thermal energy slowly to your hands

Tags

NGSS.MS-PS3-3

A tile floor can feel cool to your feet because it...

• always has a low temperature

• makes your feet become colder

• transfers thermal energy out of your feet quickly

• has a hard surface

Tags

NGSS.MS-PS3-3

The heat capacity of a substance measures...

• its temperature

• how hot it can become

• whether it will change into a gas or not

• how much thermal energy is needed to raise its temperature

True or False: If a substance has a low heat capacity, it will take a smaller amount of thermal energy to change its temperature.

• True

• False

Why does the sand on a beach feel warmer than the water, after the sun has been shining on both?

• the sand is not actually warmer; it only feels that way

• the sand has a lower heat capacity than the water

• the sand has a higher heat capacity than the water

• sand is naturally warmer than water

Tags

NGSS.HS-PS3-4

Which of these substances would take the most energy to heat from 30 to 50 degrees Celsius?

• water

• gold

• sand

• aluminum

The state of matter with the least thermal energy is...

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

When water reaches its boiling point, the thermal energy will be used to...

• raise the temperature of the water above 100^o C

• change the liquid particles to gas

• add more water particles

• slow down the water particles

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4