Free short notes and revision cards
Grade 3 Environmental Science on Temari has 7 revision cards, arranged by the chapters of the Ethiopian national curriculum. Every card says when the rule applies, what each symbol in it stands for, and the mistake students most often make with it. They are free to read and need no account.
When you use it
Use when identifying which zero degree reference line divides the Earth into halves.
Watch out
The Equator (0° latitude) splits Earth into Northern and Southern hemispheres, whereas the Prime Meridian (0° longitude) splits Earth into Eastern and Western hemispheres.
Drafted from Grade 3 Environmental Science, pages 1-20, then checked twice before it went up
When you use it
Use when answering questions on health, hygiene deficiencies, and disabilities.
Watch out
Physical disability is not a disease caused by poor hygiene or pathogens. It is an impairment caused naturally or through accidents.
Drafted from Grade 3 Environmental Science, pages 21-53, then checked twice before it went up
When you use it
Use when solving questions about preventing environmental pollution and waste control.
Watch out
Do not burn waste to dispose of it. Burning waste causes air pollution. Always use bins, reuse materials, and ensure factory filters are applied.
Drafted from Grade 3 Environmental Science, pages 54-84, then checked twice before it went up
When you use it
Use when distinguishing daily atmospheric conditions from long term patterns.
Watch out
Do not call climate a daily change. Weather changes from day to day, while climate is the average weather condition observed over a long period.
Drafted from Grade 3 Environmental Science, pages 54-84, then checked twice before it went up
When you use it
Use this to explain how a marketplace exchange creates value for all participants.
Watch out
Never claim trade benefits only sellers. Sellers gain money, while buyers satisfy their needs.
Drafted from Grade 3 Environmental Science, pages 85-118, then checked twice before it went up
When you use it
Use this rule to identify local practices that protect soil, water, and vegetation.
Watch out
Deforestation and dumping waste into rivers harm resources instead of conserving them.
Drafted from Grade 3 Environmental Science, pages 85-118, then checked twice before it went up
When you use it
Use when answering questions about HIV detection methods and the purpose of antiretroviral drugs.
Watch out
HIV infection cannot be confirmed by visible symptoms alone; it requires a blood test. Medicines control viral multiplication but do not fully cure or clear the virus.
Drafted from Grade 3 Environmental Science, page 119 onwards, then checked twice before it went up
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