Unit-8 Energy

What is energy?

• It is the ability to do work or causes changes

• It is present in everywhere and in everything

• Energy is wasted after you use it

What kind of energy does it represent?

Properties of energy

• Energy can be Transformed from one form to another

• Energy can be Transferred from one body to another

• Energy can be Stored and Transported from one place to another

• All of them are correct

What are RENEWABLE ENERGY SOURCES?

• Fossil fuels

• Nuclear energy

• They are constinuously replinished and will never run out

• All are wrong

Name the 5 different RENEWABLE ENERGY SOURCES

Write the name of this RENEWABLE ENERGY SOURCE

Renewable energy sources will .......

• never run out

• run out one day

Name the 3 fossils fuels that you know

Energy provides us with modern comfort. However, energy use has some negative consequences.

• Correct

• Wrong

• Energy does not provide us comfort

Burning fossil fuels causes ....

• Acid rain

• Air pollution

• Both are correct