AQA Combined Science Energy

What type of energy store does the car have?

• Chemical

• Kinetic

• Gravitational Potential

• Thermal

What type of energy store do the positive and negative charged particles have?

• Kinetic

• Electrostatic

• Elastic

• Gravitational

What type of energy store does the catapult have?

• Elastic Potential

• Kinetic

• Electrostatic

• Chemical

What type of energy store does the person on the mountain have?

• Kinetic

• Thermal

• Gravitational Potential

• Elastic

What type of energy store does the lump of Uranium have?

• Thermal

• Gravitational

• Kinetic

• Nuclear

What type of energy store does the cup of tea have?

• Nuclear

• Thermal

• Gravitational

• Kinetic

State the equation that links power, energy transferred and time.

• Energy transferred = power ÷ time

• Energy transferred = power x time

• Power = Energy transferred x time

• time = power ÷ energy transferred

Calculate the power of a hair dryer which transfers 10kJ of energy in 20 seconds.

• 0.5J

• 0.5W

• 500W

• 500J

What goes in the gap? "Doing work is when energy is transferred by a _____".

State the equation that links work done, force and distance.

• force = work done x distance

• distance = force ÷ work done

• work done = force x distance

• work done = force ÷ distance