1. Photosynthesis Photosynthesis Grade 4 Science SOL 4.4 Grade 4 Science SOL 4.4

2. What is photosynthesis? Process plants use to make their own food Plants’ leaves contain chlorophyll Chlorophyll (green color) makes photosynthesis possible

3. The chlorophyll absorbs the sunlight.

4. The sunlight is combined with water, Carbon Dioxide and nutrients from the soil. CO 2

5. O2O2

6. Plants and animals need each other to survive.

7. Animals including humans make the CO 2 (carbon dioxide) plants need. They (the plants) make the O 2 (oxygen) and food we need.