Energy/Work

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

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

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

The Gulf Stream is a current that brings warm ocean water from the south to the north.

• conduction
• convection
• radiation

Walking on the warm sand sand with your bare feet.

• conduction
• convection
• radiation

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high