Types of Energy
Potential and Kinetic
Practice Questions 1
Energy Transformations
Practice Questions 2
100
This is the energy of objects in motion.
It can either be kinetic or potential energy.
What is Mechanical Energy?
100
This is type of mechanical energy that is stored and is based on an objects position.
What is Potential Energy?
100
The blades of a wind turbine are at rest until the movement of air causes the blades to spin. Which energy transformation happens when the blades are spinning as shown?
Mechanical --> Electrical
100
When you plug your phone in, you are converting electrical energy into what other forms of energy? (List at least 2)
Light, Sound, Thermal, and Chemical
100
What statement is true about energy changes?
A. Energy can always be created.
B. Energy can only be destroyed.
C. Energy cannot be created or destroyed.
D. Energy can be made but not destroyed.
C. Energy cannot be created or destroyed, only changed.
200
This is the energy associated with the movement of charged particles.
What is Electrical Energy?
200
This is the mechanical energy of movement. Potential energy is transformed into this kind of energy.
What is Kinetic Energy?
200
What is the renewable resource that captures the sun's light energy and is turned into electrical energy?
Solar Energy
200
When you switch on a light, it turns electrical energy into what 2 forms of energy?
Light and Heat
200
Fossil fuels are fuels such as coal, oil, and natural gas. They are formed over millions of years from the remains of ancient plants and animals. What is the relationship between fossil fuels and energy?
A. Fossil fuels are a form of solar energy.
B. Fossil fuels are a form of nuclear energy.
C. Fossil fuels are a form of chemical energy.
D. Fossil fuels are a form of mechanical energy.
C. Fossil fuels are a form of chemical energy.
300
This is also known as radiant energy.
This energy travels as a wave and is visible to human eyes.
What is Light Energy?
300
Roller coasters are popular attractions in theme parks. A cart on a rollercoaster approaches the highest hill on the coaster. As the cart reachers the top, it slows down.
Which statement best describes the energy of the roller coaster as it slows down?
A. The cart gains kinetic and potential energy.
B. The cart gains kinetic energy and loses potential energy.
C. The cart loses kinetic energy and gains potential energy.
D. The cart loses all of its energy.
C. The cart loses kinetic energy and gains potential energy.
300
This kind of renewable resource uses the movement of water to generate electricity.
Hydropower or Hydroelectricity
300
A campfire burns wood and converts that chemical energy into what 2 forms of energy?
Light and Thermal Energy
300
Energy that transfers between substances because of a temperature difference between those substances is called __________ energy.
Thermal Energy
400
The energy of vibrating matter.
What is Sound Energy?
400
The picture shows a bicyclist increasing speed while riding down a hill. Which is true about the potential and kinetic energy of this bicyclist?
A. Potential energy increases and kinetic energy decreases.
B. Potential energy decreases and kinetic energy increases.
C. Both potential and kinetic energy remain the same.
B. Potential energy decreases and kinetic energy increases.
400
Students build a circuit. The circuit has wires connected to a battery, which is connected to a switch and a fan. What is the energy transformation happening starting with the battery, to power the fan, when the students close the circuit and the blades of the fan begin to spin?
Chemical --> Electrical --> Mechanical
400
Rubbing your hands together converts kinetic energy (mechanical) into __________ energy.
Thermal
400
A gray squirrel is sitting on the ground and a red squirrel is sitting on a tree branch. Both squirrels have the same mass. Compared to the red squirrel, the gray squirrel will have ___________ potential energy.
A. More
B. Less
C. The same amount of
B. Less
The red squirrel is higher up off of the ground, so the gray squirrel will have less potential energy.
500
A form of potential energy that is stored in elastic objects like a spring or a rubber band.
What is Elastic Potential Energy?
500
Which statement best describes the kinetic and potential energies of the cart at location X.
A. The cart has more kinetic energy and less potential energy.
B. The cart has more potential energy and less kinetic energy.
B. The cart has more potential energy and less kinetic energy.
500
Which action represents a conversion of chemical energy into mechanical energy?
A. Pancakes being reheated in a microwave.
B. Soup boiling on a stove.
C. A grasshopper jumping from a predator.
D. Sunlight melting snow on the ground.
C. A grasshopper jumping from a predator.
500
A radio converts either chemical (batteries) or electrical energy into what kind of energy?
Sound Energy
500
The following diagram shows the path a pendulum takes as it swings back and forth. As it moves from point 2 to point 3, what happens to the mechanical energy?
A. PE is converted to KE
B. KE is converted to PE
C. PE is lost as heat.
D. KE is lost as chemical energy.
B. Kinetic Energy is converted into Potential Energy.