Parirenyatwa entrance. Image credit financialgazette.co.zw ZIMSEC O Level Combined Science Notes: Introduction to diseases
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Couple having dinner. Image credit singleblackmale.org ZIMSEC O Level Combined Science Notes:Contraception:Ways to prevent pregnancy
How it works
Effectiveness
Advantages
A protected well. Image credit totallandcare.org ZIMSEC O Level Combined Science Notes: Testing the purity of water
Image credit incomdirect.com ZIMSEC O Level Combined Science Notes: Pesticide Warning Symbols
Purple […]
Germinating seeds. Image credit hummert.com ZIMSEC O Level Combined Science Notes: Experiment: Is energy released by germinating seeds?
Aim: Determine whether energy is released when seeds are germinating.
Hypothesis: Seeds are structures produced by plants (living organisms). They respire when they are germinating.
Materials: tow insulated containers/vacuum flasks, two supporting […]
The structure of the human heart. ZIMSEC O Level Combined Science Notes: The mammal heart
Loam soil. Image credit betterground.org ZIMSEC O Level Combined Science Notes: The physical components of the soil
Sand, Loam and […]
A maize field is an example of an artificial ecosystems. Image wordpress.com ZIMSEC O Level Combined Science Notes: Artificial Ecosystems
Common types of beams and their associated forces ZIMSEC O Level Combined Science Notes: An introduction to Beams and their types
ZIMSEC O Level Combined Science Notes: Experiment: The reaction of metals and water
Aim: Investigating and Observing the reactions of metals and water
Materials: calcium, magnesium, zinc, lead, iron, copper, beaker, test tubes, filter funnel, water, splint, burner, universal indicator
Some metals like calcium react with water.
Method
