M16 - 3

Question 1

How does the sun sustain all life on Earth?

Answer 1

• Plants need solar energy to make food through photosynthesis.
• Animals depend on plants for their food.
• Therefore the sun’s energy sustain all life on Earth.

Question 2

How do plants make their own food?

Answer 2

• Plants make their own food using light energy from the sun.
• During photosynthesis plants use chlorophyll to absorb light energy from the sun and carbon dioxide from the air.
• It is then converted into sugar and starch for food.