Energy Review 2

Melissa made the sketches above to record every examples of types of energy. Which sketch(es) shows kinetic energy? 

• 1 only
• 2 only 
• 3 only
• 1 and 2 only

When there is friction on a roller coaster, some of the potential energy is not converted into 

• kinetic energy.
• nuclear energy.
• light energy.
• chemical energy.

Which of the following is the energy that comes from changes in an atom's nucleus? 

• thermal energy
• light energy
• nuclear energy
• chemical energy

Which energy is caused by an object's vibrations? 

• thermal energy
• electrical energy
• chemical energy
• sound energy

What is the energy transformation occurring in this picture? 

• chemical energy → potential energy
• light energy → electrical energy
• light energy → potential energy
• wind energy → electrical energy

Suppose you are jumping on a trampoline. At the top of your jump, which of these is true? 

• The mechanical energy is zero. 
• The potential energy is at a maximum. 
• The kinetic energy and potential energy are equal. 
• The potential energy is zero. 

What type of energy comes from a compound that changes as its atoms are rearranged? 

• kinetic energy
• chemical energy
• thermal energy
• light energy

The diagram shows the most likely energy changes in a 

• coal power plant. 
• nuclear power plant. 
• hydroelectric power plant. 
• geothermal power station. 

Lab investigations show that when 2 cars traveling at the same speed have a head-on collision, the smaller car experiences more damage. Which of the following is a reasonable explanation for that fact? 

• The larger car has more PE than the smaller car does. 
• Mass has a greater effect on KE than speed does. 
• The larger car experiences more friction than the small car does. 
• The larger car has more KE than the smaller car does. 

Gravitational potential energy depends on 

• mass and velocity. 
• weight and height. 
• mass and weight. 
• height and distance.