Energy unit

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

Which of the following is a conversion from light energy to chemical energy?

• a. turning on a stove to heat dinner
• b. turning on a lamp
• c. growing an apple tree
• d. making toast in a toaster

After an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. Which of the following laws explains this rule?

• a. law of energy changes
• b. law of conservation of energy
• c. law of power and energy
• d. law of potential energy

The ability to do work

• A. chemical energy

• B. Friction

• C. electrical energy

• D. Energy

a.  Energy stored in the nucleus of an atom.

• A. Sound Energy
• B. Potential Energy
• C. Nuclear Energy
• D. Thermal energy

Where is the potential energy the greatest?

• A
• B
• C
• D

Energy from light waves.

• Radiant Energy 
• Chemical Energy 
• Nuclear Energy 
• Radiation 

A student is holding the end of a pendulum. The student releases the pendulum. What energy transfers are taking place?

• potential energy is transferred to kinetic energy

• chemical energy to thermal energy

• mechanical energy to chemical energy

• kinetic energy is tranferred to potential energy