Energy Quiz Review

Your body obtains energy from the food your eat. What is the form of energy found in food?

• Kinetic

• light

• Sound

• Chemical

Which energy transformation occurs when a television speaker produces music?

• ELECTRICAL TO SOUND

• ELASTIC TO SOUND

• THERMAL TO SOUND

• SOUND TO ELECTRICAL

Which of these statements describes the law of conservation of energy?

• NO MACHINE IS 100% EFFICIENT

• ENERGY CAN NOT BE CREATED OR DESTROYED, IT CAN ONLY BE CHANGED FROM ONE FORM TO ANOTHER

• THE ENERGY RESOURCES OF EARTH ARE LIMITED

• THE ENERGY OF A SYSTEM IS ALWAYS DECREASING

As a roller coaster moves down a hill, potential energy is converted into kinetic energy, thermal energy and sound energy. What is true about the total energy of this system?

• ENERGY IS GAINED (CREATED) AS THE ROLLER COASTER MOVES

• ENERGY IS LOST (DESTROYED) AS THE ROLLER COASTER MOVES

• THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES

• THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES

Which of the following is an energy transformation from light energy to chemical energy?

• TURNING ON A STOVE TO HEAT DINNER

• TURNING ON A LAMP

• GROWING AN APPLE TREE

• MAKING TOAST IN A TOASTER

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

What kind of energy is in a moving skateboard?

• Potential
• Kinetic