1. Plants and Photosynthesis
Biology
Plants and Photosynthesis

2. How do plants get the food they need?

3. How do plants grow?
Plants actually grow by making their own food, not by eating soil!
So where does the stuff that plants are made of come from?

4. Nutrition in green plants

5. How do plants make their own food?
Plants make their food from putting together carbon dioxide and water in a chemical reaction called...
photosynthesis.
carbon dioxide
(from the air)
glucose
oxygen
water
(from the soil)
The food made by photosynthesis is the sugar glucose. .

6. How do plants grow? light energy carbon dioxide (from the air) glucose
oxygen
water
(from the soil)
The energy for photosynthesis comes from light.

7. How do plants grow? light energy carbon dioxide (from the air) glucose
Photosynthesis happens in chloroplasts which contain the green colour called chlorophyll.
light energy
carbon dioxide
(from the air)
chlorophyll
glucose
oxygen
water
(from the soil)

8. What is needed for photosynthesis?

9. Photosynthesis: word equation activity

10. What do plants use glucose for?
What do plants do with the glucose made by photosynthesis?
Some glucose is used straight away in respiration - to release the energy they need
glucose
Some glucose is changed into starch for storage.
Some glucose is used to make proteins, sugars
and fats.

11. Testing leaves for starch

12. Multiple-choice quiz

13. Anagrams