Heat Energy

What is heat?

• A form of energy that is transferred between systems or objects with different temperatures

• A type of matter that can be seen and touched

• A chemical reaction that produces light

• A state of matter like solid or liquid

What will happen when you place an ice cube under direct sunlight?

• The ice cube will melt.

• The ice cube will freeze further.

• The ice cube will remain unchanged.

• The ice cube will evaporate instantly.

What are the three methods of heat transfer?

• Conduction, Convection, Radiation

• Evaporation, Condensation, Sublimation

• Diffusion, Osmosis, Filtration

• Absorption, Reflection, Refraction

Conduction is the transfer of heat energy between objects that are in ________ contact.

• direct

• indirect

• minimal

• no

Which of the following are examples of conductors?

• Graphite

• Human Body

• Earth

• Sea Water

• All of the above

Conductors are materials that:

• Allow the flow of electric current

• Block the flow of electric current

• Store electric charge

• Convert electric energy into light

All materials are made up of tiny particles called ________.

• molecules

• atoms

• cells

• fibers

Insulators are materials that do not readily allow heat to move through them. True or False?

• True

• False

Which of the following is an example of an insulator?

• Rubber

• Glass

• Oil

• Diamond

• Dry Wood

Sound is a form of:

• Light

• Energy

• Matter

• Heat