Thermal Energy

Which event is an example of conduction?

• The Sun warms the Earth

• A pot of boiling water warms the spoon in the pot

• The fire in the fireplace warms the room

• Cold pizza warms up in a microwave

A block of ice is placed on a hot sidewalk. The ice melts because

• the energy from the ice flows to the sidewalk.

• the energy from the sidewalk flows to the ice.

• radiation flows between the ice and the sidewalk

• convection currents flow between the ice and the sidewalk

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Anita heats a beaker containing water. As the temperature of the water increases, which change to the water molecules occurs?

• The molecules become more massive.

• The molecules move at a faster rate and farther apart.

• The molecules separate into hydrogen and oxygen.

• The molecules expand and get wider.

Tags

NGSS.MS-PS1-4

Which is the best example of convection?

• A ceiling fan moves air in a room

• Sunlight heats the soil

• Heat rises in a chimney

• Flames heat up a pan

Which of the following is a characteristic of thermal energy?

• It is always conserved

• It can be completely converted into work

• It increases with the motion of particles within an object

• It is the same as temperature

Tags

NGSS.MS-PS1-4

A fire is an example of what kind of ENERGY?

• Nuclear

• Sound

• Thermal

• Chamical

Tags

NGSS.MS-PS1-4

The hot sun was releasing a large amount of ________ energy causing the day to be extremely hot.

• Sound energy

• Thermal energy

• Electrical Energy

Tags

NGSS.MS-PS1-4

Identify the type of energy represented by the illustration.

• Nuclear Energy

• Elastic Energy

• Thermal Energy

• Electrical Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What type of energy is primarily involved in heating and cooling processes?

• Mechanical Energy

• Thermal Energy

• Electrical Energy

• Nuclear Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the primary means by which the Sun warms the Earth?

• Flucutation of subatomic particles

• Flucutation of gravitational fields

• Transfer of energy by conduction

• Transfer of energy through electromagnetic waves