Energy Quiz

Amelia is going through her daily routine. Which of the following are examples of how she uses energy every day?

• Using a computer

• Driving a car

• Cooking food

• Reading a book

Muhammad is studying different energy sources for his science project. He needs to identify an example of a fossil fuel. Which one should he choose?

• Coal

• Wood

• Solar

• Wind

Poppy is curious about why her metal spoon heats up quickly when she stirs her hot soup. Why do metals conduct heat efficiently?

• Because they contain free electrons that carry energy.

• Because they are very dense materials.

• Because they can be easily shaped.

• Because they have a reflective surface.

What is the capital of France?

• Berlin

• Madrid

• Paris

• Rome

Samuel is learning about car batteries and says, 'A car battery stores electrical energy for the lights, horn and starter motor.' Explain what is wrong with this statement.

• A car battery stores chemical energy, not electrical energy.

• A car battery does not power the lights, horn, and starter motor.

• A car battery stores electrical energy for the engine only.

• A car battery is not used in cars.

Elsie is at the top of a hill on her bicycle. Explain the transformation of energy from start to finish as she rides down the hill.

• Energy starts as potential energy and transforms into kinetic energy.

• Energy starts as kinetic energy and transforms into potential energy.

• Energy remains unchanged throughout the scenario.

• Energy dissipates as heat and sound.

Freya uses a catapult to launch a marble. Which of the following scenarios involves energy changes in a system?

• A catapult launches a marble.

• A ball rolls along the ground and comes to rest.

• A butane gas camping cooker heats up a pan of water.

• A lump of soft putty falls to the ground.

Samuel is observing a playground swing. Copy the diagram and fill in the values for the swing’s kinetic energy and gravitational potential energy at each point of its motion.

• The swing has maximum kinetic energy at the highest point.

• The swing has maximum gravitational potential energy at the lowest point.

• The swing has equal kinetic and potential energy at the midpoint of its swing.

• The swing has maximum gravitational potential energy at the highest point.

Lily and Ishaan are learning about different forms of energy in their science class. Which of the following are stores of energy?

• Kinetic, Thermal, Chemical, Gravitational

• Electrical, Sound, Light, Nuclear

• Magnetic, Elastic, Mechanical, Radiant

• Potential, Heat, Solar, Wind

Henry is playing with a toy car that has a spring mechanism. When he compresses the spring, what type of energy is stored in it?

• Kinetic energy

• Potential energy

• Thermal energy

• Chemical energy