© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Artificial photosynthesis

Starter activity

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Let’s remind ourselves about photosynthesis …

Where does it happen?

Leaves

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Let’s remind ourselves about photosynthesis …

What does it require?

Water, light and carbon dioxide.

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Photosynthesis involves a series of chemical reactions.Plants use catalysts (enzymes) to make the reactions happen.

What is a catalyst?

A substance that speeds up the rate of a chemical reaction,but is not changed itself.

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Whereabouts in a leaf does photosynthesis happen?

Plant cell

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

Where in the plant cell does photosynthesis take place?

Chloroplasts

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

What are the products of photosynthesis?

Which is useful and which is a waste product?

Glucose (useful product) and oxygen (waste product)

© 2015 AQA. Created by Teachit for AQA.

6.1: Artificial photosynthesis (1)

What useful substances does the plant make from the glucose?

• starch, fats or oils for storage

• proteins e.g. enzymes, chlorophyll

• cellulose for its cell walls