Explain how fossil fuels are formed.
Fossil fuels are formed from the remains of dead plants and animals that were buried millions of years ago. Over time, heat and pressure converted these remains
What transforms sunlight directly into electrical energy? a) Wind turbines b) Solar cells c) Water wheels d) Fossil fuels
b) Solar cells
Fill the blank with the correct word: Solar cells turn _________ into electrical energy.
sunlight
What is the primary source of energy on Earth? a) Wind b) Sunlight c) Oil d) Gas
b) Sunlight
E____________ is a clean and efficient way of carrying energy into homes.
Electricity
Which of these is an example of renewable energy? a) Natural gas b) Coal c) Wave energy d) Oil
c) Wave energy
Fill in the blank with the correct words: Coal, oil, and gas are known as f_______ f _______
fossil fuels
Why is electricity considered a clean and efficient way of carrying energy into homes?
Because electricity does not produce smoke or fumes and can be generated from renewable sources.
Plants c_______ sun energy into food.
convert
Which of the following is NOT a fossil fuel? a) Coal b) Oil c) Sunlight d) Gas
c) Sunlight
The sun’s h______ causes the air in the atmosphere to move
heat
How does the sun generate wind energy? a) By shining light on plants b) By heating the atmosphere c) By being a fossil fuel d) By providing food
b) By heating the atmosphere
Food provides us with e_________ for daily tasks
energy