Sheets of made of sponge rubber. Image credit rollsheetrubber.com ZIMSEC O Level Combined Science Notes: Experiment: To compare the shear and tensile strength of sponge rubber and soft wood
Aim: To compare the shear and tensile strength of sponge rubber and a softwood
Materials: wooden ice-cream […]
ZIMSEC O Level Combined Science Notes: Machines: Gears
Good dental care is part of human health. Image credit claimfame.com ZIMSEC O Level Combined Science Notes: Teeth and tooth decay
Image credit huffpost.com ZIMSEC O Level Combined Science Notes: Female Reproductive system
Female reproductive system
Environmental degradation in Epworth. Image credit newsday.co.zw ZIMSEC O Level Combined Science Notes: Population and natural resources
Environmental Effects
Social Effects
To […]
Safety Equipment Image credit nexomundo.com ZIMSEC O Level Combined Science Notes: Safety wear
Potted plant. Image credit artificialplantsandtrees.com ZIMSEC Combined Science Revision Notes: Do plants release carbon dioxide when they respire?
Aim: To determine whether all living things, including plants, release carbon dioxide when they respire.
Materials: bell jar or a large container, 3 boiling tubes/flasks glass or rubber tubing, lungs, suction […]
Transpiration occurs mainly through the leaves. Image credit desk7.net ZIMSEC O Level Combined Science Notes: Investigating water loss in plants
Aim: To determine how plants loose their water
Materials: plants or branches from plants, weighing balance, containers, water, oil/Vaseline.
Soil profile. Image credit nesoil.com ZIMSEC O Level Combined Science Notes: Ecosystems: The soil
The carbon cycle. Image credit windows2universe.org ZIMSEC O Level Combined Science Notes: The Carbon cycle
