Energy & Heat

Conduction heat transfer is from...

• electromagnetic waves

• Direct contact

• speeding up gas or liquid particles

• nothing

Radiation heat transfer is from...

• direct contact

• speeding up liquid or gas particles

• nothing

• Electromagnetic waves

As temperature decreases kinetic energy...

• decreases

• increases

• does not change

• is not related

What is the phenomenon that causes the smell of vinegar to take a few moments to reach the back of a room?

• Diffusion

• Osmosis

What state of matter particles are spaced the farthest apart?

• Solid

• Gas

• Liquid

What does the Law of Conservation of Energy state?

• Energy cannot be transferred from one object to another object.

• Energy can be created or destroyed, but it cannot be transformed from one form to another.

• Energy can be created or destroyed.

• Energy cannot be created or destroyed, but it can be transformed from one form to another.

When is the potential energy the greatest in a roller coaster?

• a. at the bottom of the first hill
• b. at the top of the first hill
• c. at the top of the second hill
• d. at the bottom of the second hill

When you eat fruits and vegetables, chemical bonds are releasing stored energy, this is...

• a. thermal energy

• b. sound energy

• c. electrical energy

• d. chemical energy

Any time an energy conversion takes place, some of the original energy is converted to which one of the following?

• a. sound energy
• b. potential energy
• c. light energy
• d. thermal energy

The ability to do work

• A. chemical energy

• B. Friction

• C. electrical energy

• D. Energy