conditions for burning
DESCRIPTION
Conditions for burning. fuel. f uel/ amount of fuel. Conditions for burning. W.S. p. 14-15. W.S. p. 14-15. W.S. p. 14-15. Conditions for Photosynthesis. W.S. p. 16. Design expt. Conditions for Photosynthesis. W.S. p. 16. Design expt. Conditions for Photosynthesis. W.S. p. 16. - PowerPoint PPT PresentationTRANSCRIPT
CONDITIONS FOR BURNING
CONDITIONS FOR BURNING
fuel/ amount of fuel
fuel
W.S. p. 14-15
W.S. p. 14-15
W.S. p. 14-15
Conditions for Photosynthesis
W.S. p. 16
Design expt.
Conditions for Photosynthesis
W.S. p. 16
Design expt.
Conditions for Photosynthesis Carbon dioxide
Carbon dioxide
starchV
VV V
Put 2 green leaves inside 2 colourless bags A and B respectively. Add a bag of soda lime in bag A.
4. After 4 hours, test the 2 leaves for starch.
Carbon dioxide
Yes
No Carbon dioxide
No
Carbon dioxide
W.S. p. 16
Design expt.
Burning & Respiration
carbon Carbon dioxidewater
Carbon dioxide + water + energy
oxygenCarbon dioxide
water Energyrespiration
Carbon dioxide + water + energy
W.S. p. 17
Oxygen
Carbon dioxide
waterEnergy
Slow
Controlled
In the presence of fuel and oxygen
all livingcells
W.S. p. 17
Breathing, Burning & Respiration
Trachea Bronchus
Blood vessels
upwards
inwards
downwards
increasesdecreases
in
downwards
outwards
upwards
decreasesincreases
out
W.S. p. 18
Mechanical / physical
Mechanical/physical
ribs diaphragm
breathing
chemical
energy
chemical Heat energy,
sound energy,Kinetic energy
Respiratory system
ribs
diaphragm
W.S. p. 18
Carbon dioxide + sunlight +
chlorophyll
Photosynthesiswater
starch
oxygen
To kill the cells and make it softTo remove chlorophyll
To wash away the alcoholTo test for starch
W.S. p. 19
W.S. p. 19
Oxygen + Food Carbon dioxide + water
Carbon dioxide + water
Starch + oxygen
Oxygen Carbon dioxide
Carbon dioxide Oxygen
Chemical energy heat energy, sound energy
Light energy Chemical energy
All living cells
Chlorophyll
All the timeAt day time
W.S. p. 19