Thermal Energy Unit Review

Word Cloud

Write one word you think of when you hear "thermal energy." Do not write the words thermal or energy.. (duhh!)

Multiple Choice

True or False: Temperature and Heating mean the same thing.

• True

• False

Dropdown

When a coffee cup sat on Ms. Stephens' desk the coffee's particles moved

Select answer

than the particles in the cooler table. Over time, the table began to heat. The thermal energy moved from​

Select answer

.

Reorder

Order these objects from the one with the MOST kinetic energy (fastest moving particles) to the Least kinetic (slowest moving particles).

• The sun

• Warm soup

• A cool Dr. Pepper

• Ice

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

When changing a substance from liquid to gas, the energy has to...

• INCREASE

• DECREASE

Multiple Choice

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

Match

Match the definition to the phase of matter!

• Melting

• Freezing

• Condensation

• Evaporation

Solid to liquid

Liquid to solid

Gas to liquid

Liquid to gas

• Solid to liquid

• Liquid to solid

• Gas to liquid

• Liquid to gas

Multiple Choice

The transfer of heat from one particle of matter to another within an object or between two objects through direct contact.

• conduction

• convection

• radiation

Multiple Choice

In a swimming pool, water near the surface is slightly warmer. The warm water rises because of

• conduction
• convection
• radiation

Multiple Choice

What happens to warm air?

• Rises because it is less dense.

• Sinks because it is more dense.

• Stays in place all the time

Multiple Choice

What type of heat transfer is shown with cooking the food since it's using a fire as direct heat?

• Conduction

• Convection

• Radiation

Categorize

Options (6)

Using a hot plate to warm a pan

Feeling the warmth of a heated blanket

Ocean currents moving warm water

Steam rising from a hot cup of tea

Using a microwave to heat food

Using a heat lamp for warmth

Categorize the scenario based on the type of heat transfer!

Conduction

Convection

Radiation

Multiple Choice

One change scientists can use to slow down heat transfer is ___.

• Change the material objects are made of

• Change how heat is classified

• Use a different thermometer

Multiple Choice

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

Multiple Choice

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

Multiple Choice

What is NOT an example of an insulator in the kitchen?

• An oven mitt
• Pots and pans
• A wooden spoon
• A plastic measuring cup

Multiple Choice

Fire is an example of

• exothermic reaction

• endothermic reaction

• none

• both

Multiple Choice

An ice pack in an example of

• exothermic

• endothermic

• both

• none