1. SUTHERLAND HIGH SCHOOL GRADE 8 NS 2019 CAPS
Respiration
SUTHERLAND HIGH SCHOOL
GRADE 8 NS 2019
CAPS
TB pg. 11

2. TB pg. 11 SUNLIGHT OXYGEN CARBON DIOXIDE GLUCOSE WATER GLUCOSE ENERGY

3. TB pg. 11 ALL living organisms need energy to survive.
In photosynthesis: green plants produce glucose (food).
Carbon dioxide + Water Glucose + Oxygen
CO2 + H2O C6H12O6 + O2
This glucose is stored as potential energy.
Chlorophyll
Sunlight
Chlorophyll
Sunlight
TB pg. 11

4. The energy can be released by the plant, in a series of chemical reactions.
In respiration, plants and animals break down glucose and release carbon dioxide, water and energy.
Glucose oxygen carbon dioxide + water + energy
C6H12O O2 CO H2O + energy
Write down
TB pg. 11

5. Opposite processes
TB pg. 11

6. TB pg. 11 PHOTOSYNTHESIS CO2 + H2O C6H12O6 + O2 RESPIRATION
C6H12O O2 CO H2O + energy
TB pg. 11

7. During photosynthesis, plants use energy from the Sun to produce .
During respiration food is broken down and is released.
TB pg. 11

8. DO WE REALLY RELEASE CARBON DIOXIDE?
Activity 6 pg. 13: Test for presence of carbon dioxide in exhaled air
TB pg. 13

10. ACTIVITY Do activity 5 on Page 12 Do Topic revision on page 14
TB pg. 12 &14