Unit 1: Investigating plant growth

Seeds and what is inside them, germination, what plants need to grow, and how plants respond to light.

• 1.1 Seeds – A seed is a tiny plant packed with food, waiting to grow.
• 1.2 How seeds grow – Root first, then shoot – the story of germination.
• 1.3 Investigating germination – Do seeds need light to germinate? Test it!
• 1.4 What do plants need to grow? – Light, water, air, warmth and minerals.
• 1.5 Plants and light – Plants make food from light – and grow towards it.