Can you copy this table please?

Test Mark out of 25

% Level

7E Acids and alkalis

8A Food and digestion

8B Respiration

8K Light

8I Energy

Can you copy this too?

• “I have thought very hard about how to improve and I have decided I need to do the following two things……..”

Good ways to improve?

Good ways to improve?

Last lesson

• Causes, symptoms and spread of different diseases

Common Cold

Cold sores (Herpes)

Smallpox

Mumps

Measles

Leprosy

Elephantiasis

Diseases

Disease Cause (Virus/bacteria/other

Symptoms How is it spread/caught?

Cure?

Comparing sizes of microbes

Fungi (yeast) - 20 μm - 0.00002 m

Bacteria - 2 μm - 0.000002 m

Viruses - 20 nm - 0.000000002 m

Today’s lesson

• Investigating the respiration of yeast

Aerobic Respiration

Occurs in the cytoplasm of cells

Glucose + oxygen carbon dioxide + water (+ energy)

Reactants products

The same reaction as burning, but there’s no flame because the reaction is carefully controlled (slower)

Investigating the respiration of yeast

Can you stick the sheet in and read it please?

8Cb2 Rising dough 2

Look! A talking piece

of dough!My arm’s

getting tired!

Investigating the respiration of yeast

When you have finished setting up

your experiment can you try the questions on pages 30 & 31?

Look! A talking piece

of dough!My arm’s

getting tired!