تنزيل كتاب: Cambridge Primary Science Learners Book6 -pdf
محتويات كتاب:
Cambridge Primary Science Learners Book6 -pdf
Humons and animals
l.l Body organs
1.2 The heart
-l.3 Heartbeat and pulse
1.4 The lungs and breathing -l.5 The digestive system
.l.6 What do the kidneys do?
1.7 What does the brain do?
Check your progress
2 Living things in the environment
2,1 Food chains in o local habitat
2.2 Food chains begin with plants
2.3 Consumers in food chains
2.4 Food chains in different habitats
2.5 Deforestation
2.6 Air pollution
2.7 Acid rain
2.8 Recycling
2.9 Take care of your environment
Check your progress
3 Material changes
3.-l Reversible and irreversible changes
3.2 Mixing and separating solids
3.3 Soluble ond insoluble substances
3.4 Separating insoluble substances
3.5 Solutions
3,6 How can we make solids dissolve faster?
3.7 How does grain size affect dissolving?
Check your progress
Forces and motion
4,1 Mass and weight
4.2 How forces act
4,3 Balanced and unbalanced forces
4.4 The effects of forces
4,5 Forces and energy
4.6 Friction
4.7 lnvestigating friction
4.8 Air resistance and drag
Check your progress
Electrical conductors ond insulators
5,.l Which materials conduct electricity?
5.2 Does water conduct electricity?
5.3 Do different metals conduct electricity
equally well?
5,4 Choosing the right materials for
electrical appliances
5,5 Circuit symbols
5,6 Changing the number of components
5,7 Adding different components
5,8 Length and thickness of wire in a circuit
5.9 How scientists invented batteries
Check your progress
تحميل كتاب Cambridge Primary Science Learners Book6 -pdf
