grade 3 science lesson by Mrs. Aisha

1. How do plants
use leaves to
? make food

2. ?What plants need
food- 1
2- air
3- water
4- space to grow

3. ?How Plants make their own food
Plants get energy from the sun to make food.
.Energy enters and helps plants make food
………. …………. ………….
…………..

4. ?How leaves help plants
air
water plants food
Sunlight energy
photosynthesis

5. Carbon dioxide = a gas in air that
is absorbed by plants
Pollution air people breathe out

10. Other ways leaves help plants
leaves can help plants control the - 1
amount of water in or out of plant.
Leaves let some water out
through tiny holes on their surface.
Or
a plant can stop water loss by
. closing these holes

11. leaves can protect the plant - 2
from being eaten.
Poisonous
Leaves can be sharp to chew
tough

12. Plants in dry environments may have:
- wax (sticky yellowish substance)
- fuzz-coated leaves.(fluffy hair)
This coating helps keep in water