← 2.4 The Interdependence of Life
Water and wind
Integrated Science · Grade 9 · about 40 minutes
How much water there is, and how hard the air moves, both shape what grows.
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Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 9 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Biotic and abiotic factors
- Predation
- Competition
- Parasitism and symbiosis
- Saprophytes and decay
- Surveying our own locality
- Relationships in Kenya's parks and reserves
- Temperature and light
- Water and wind
- Pressure, pH and salinity
- Producers, consumers and trophic levels
- Food chains
- Food webs
- Energy flow
- Recycling nutrients
- Human activity: habitat change
- Hunting, poaching and introduced species
- Interdependence: the whole picture