Can you copy this table please? Test Mark out of 25 % Level 7E Acids and alkalis 8A Food and digestion 8B Respirati on 8K Light 8I Energy
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!