Unit 1: Looking after plants

The parts of a plant and their jobs, what plants need to grow, how water travels, and how temperature changes growth.

• 1.1 Plants and their parts – Every part of a plant has a job to do.
• 1.2 Plants need light and water – What happens to a plant kept in the dark?
• 1.3 Transporting water – How does water climb all the way up a tree?
• 1.4 Plant growth and temperature – Do seeds grow faster when it is warm or cold?