Exploring Energy Stores and Transfers

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• The PE and KE increase and decrease together

• The PE decreases while the KE increases 

• Impossible to know without knowing the mass  

Which of the following is a type of energy store?

• Kinetic energy

• Gravitational potential energy

• Sound energy

• Light energy

What is the main method of energy transfer when a kettle boils water?

• Conduction

• Convection

• Radiation

• Evaporation

Which of the following best describes the conservation of energy?

• Energy can be created and destroyed.

• Energy can be transferred and transformed, but the total amount remains constant.

• Energy is always lost as heat.

• Energy is only conserved in closed systems.

Which of these is a source of chemical energy?

• A moving car

• A battery

• A light bulb

• A wind turbine

What is the primary method of energy transfer from the Sun to the Earth?

• Conduction

• Convection

• Radiation

• Reflection

Which of the following is an example of thermal energy storage?

• A solar panel

• A hot water tank

• A wind turbine

• A battery

What type of energy store is associated with an object raised above the ground?

• Elastic potential energy

• Gravitational potential energy

• Chemical energy

• Nuclear energy

Which of the following is NOT a method of energy transfer?

• Conduction

• Convection

• Radiation

• Reflection

What happens to the total energy in a closed system?

• It increases.

• It decreases.

• It remains constant.

• It fluctuates randomly.