1. Seeds and Growing Plants

2. Parts of a plant

3. Function of plant parts

4. Parts of a flower

5. What are seeds?

6. Parts of a seed – seed coat Why do seeds have a seed coat?

7. Why are seeds so different? Shape Size Colour Texture

8. Cactus seed under a powerful microscope Seed coat texture

9. Parts of a seed – Inside the seed

10. Parts of a seed First leaves Epicotyle = stem

11. What do seeds need to GERMINATE? Oxygen - Growth Sun Sun - Energy for PHOTOSYNTHESIS Temperature Temperature – Cold? Hot? Warm? Water Water - Photosynthesis and growth

12. GERMINATION What is germination? Steps: 1.Seed coat breaks 2.Radicle becomes ROOT 3.Hypocotyl and epicotyl become the STEM 4.First leaves grow = PHOTOSYNTHESIS First leaves

13. PARTS OF A SEED - INSIDE

14. Plants need NUTRIENTS Carbon Oxygen Hydrogen Soil nutrients

15. Nitrogen – Growth, photosynthesis Phosphorus – photosynthesis, flowering Potassium – build proteins, prevent disease Calcium – Strong cells Magnesium – Photosynthesis Sulfur - build proteins and produce food Soil nutrients

16. Soil quality - pH pH=7