Mr McCondichie

Energy in Ecosystems

• Lesson 1
• Lesson 2
• Lesson 3+4
• Lesson 5
• Lesson 6
• Lesson 7+8
• Lesson 9
• Lesson 10
• Lesson 11
• Lesson 12
• Lesson 13

Lesson 3 - Photosynthesis Investigation

Learning Intentions:

• Find out if plants really do need light for photosynthesis.
• Plan an experiment

Starter

True or False

1. Plant food is called photosynthesis?
2. Plants get food from their roots

Photosynthesis Investigation - Instructions

In this investigation you are going to find out if plants really do need light to make food.

The plant you are going to use is a geranium.

Working in your groups discuss ways to design an experiment that would prove that plants need light for photosynthesis i.e plants need light to make food.

How will you do it?

What equipment will you need?

Once you have had your plan checked by your teacher you can carry out your experiment.

Remember - be safe at all times.

Photosynthesis Investigation - Report Writing

Fill in the following sections of your report

Aim

Too find out if...

Answer

Method

• How are you going to carry out your investigation?
• Write it out step by step.
• Include a diagram of how you will set up your equipment.

Safety

• What will you have to do to make sure the experiment is carried out safely?

Conclusion

Think about the result of your experiment. Look back at the aim you wrote.

Can you answer your aim now?