Introduction to Energy

What is the SI unit of energy? (SPE/2010/Q9)

• Joule

• Newton

• Ohm

• Watt

Food is needed to supply our bodies with energy. What type of energy is present in food? (SPE/2009/Q14)

• Light energy

• Heat energy

• Electrical energy

• Chemical potential energy

Hamzah lifts a sack of rice from the floor to a table. What form of energy from his body has Hamzah used and what form of energy has the sack of potatoes gained?

• A

• B

• C

• D

Figure below shows a photograph of a traffic warning sign. Solar panels absorb solar energy from the Sun and convert it into electrical energy. The electrical energy is stored in a battery. Name the energy that is stored in the battery. (SPE/2013/Q17)

• Chemical potential energy

• Heat energy

• Light energy

• Kinetic energy

Figure below shows a student using a slingshot. Which form of energy is possessed by the rubber band before it is released? (SPE/2016/Q22)

• Chemical potential energy

• Elastic potential energy

• Gravitational potential energy

• Kinetic energy

Which energy source can be used to obtain electricity without any moving parts? (SPE/2020/Q19)

• solar cells

• tide

• wave

• wind

Below are the names of eight different energy resources.

Coal

Geothermal

Hydroelectric

Natural gas

Oil

Solar

Waves

Wind

How many of these energy resources are renewable?

• 3

• 4

• 5

• 6

Define energy.

• Energy us the ability to do work.

• Energy is the speed of doing work.

• Energy is the distance moved by an object.

• Energy is the amount of electricity produced every second.

What does an object need to have kinetic energy?

• Size

• Height

• Motion

• Temperature

Which of the following are fossil fuels?

• Water, Coal, Natural gas

• Coal, Sun, Crude oil

• Coal, Crude oil, Natural gas

• Crude oil, Sun, Natural gas