I've got the power ! (EN)

Click all the statements about energy which are correct.

• Energy is the ability to transform a system around it
• Energy can be created
• Energy and power are the same thing

• The higher the energy the higher the power always

2 boys have the same mass and are running up the stairs. The first one needs one minute and the second two minutes. The first one needs:

• More energy
• More power
• Less power
• Less energy

The main source of energy for all life comes from ____.

• the Earth
• Plants
• the sun
• the food we eat/make

Which type of conversion is made in a thermal car motor?

• Chemical energy into mechanical energy
• Kinetic energy into electrical energy
• Electrical energy into mechanical energy
• Chemical energy into heat and mechanical energy

Which of these are examples of renewable energy sources?

• Wind
• Sun
• Nuclear
• Oil

Which percentage of the energy we use is renewable?

• 10 %

• 20 %

• 40 %

• 80 %

Which part of the energy we use every day is electricity?

• 10 %

• 25 %

• 90 %

• 100 %

How long would it take a man to push back to its starting point a car which ride with 1L oil in the tank?

• 1 day
• 10 days
• 30 days
• 1 year

Between 1500 and today the world population has multiplied by 14. The energy consumption has multiplied by :

• 14
• 40
• 100
• 500