Energy Yr 4

What is energy?

• The ability to create matter.

• The ability to do work.

• The ability to destroy objects.

• The ability to generate heat.

Which of the following is a source of energy?

• Magnetism

• Sound

• Wind

• Gravity

1. What technology do we use to generate electricity from the Sun?

(a)  

The hydroelectric dam generates electricity by utilizing ​ (a)   , while the windmill produces electricity by harnessing ​ (b)   .

• water
• wind
• nuclear
• waves

What is the nuclear substance?

(a)  

Which of the following is a form of energy?

• Uranium

• Petroleum

• Heat energy

• Food

Are you enjoying the video lesson?

• Yes

• No

What energy transformations occur when a television is switched on?

• Electrical energy to Light energy and Sound energy.

• Light energy to Electrical energy and Sound energy.

• Sound energy to Electrical energy and Light energy.

• Chemical energy to Light energy and Sound energy.

Which of the following is a non-renewable energy source?

• Sun

• Wind

• Biomass

• Petroleum