1. www.juniorscience.ie 1C5_Photosynthesis OB48 Describe, using a word equation, how plants make their own food through photosynthesis

2. www.juniorscience.ie “photosynthesis” “photo” means light… “synthesis” means to make… …so what do you think the word photosynthesis could mean?

3. www.juniorscience.ie how plants make their food water Carbon dioxide Energy from sunlight, with chlorophyll as a catalyst, is used to combine CO 2 and H 2 O to form glucose and release O 2 chlorophyll oxygen glucose

4. www.juniorscience.ie Photosynthesis word equation Watch the animation again… Can you write what is happening as a word equation?

5. www.juniorscience.ie water Carbon dioxide oxygen glucose chlorophyll

6. www.juniorscience.ie Photosynthesis word equation Carbon dioxide plus water, with light and chlorophyll, gives glucose and oxygen

7. www.juniorscience.ie Ever wondered why? Some plants lose their leaves in winter? It is because they find it difficult to carry out photosynthesis… …using your word equation, can you give TWO reasons a plant could not carry out photosynthesis in winter?

8. www.juniorscience.ie 1C5_Photosynthesis OB48 Describe, using a word equation, how plants make their own food through photosynthesis