Year 8 Science
Year 8 Science
- Describe the uses of key components of a balanced diet in our bodies and describe the function of our digestive organs in the break down and absorption of food.
- Describe the key characteristics of plants including the structure of reproductive organs and seeds.
- Describe the processes of pollination, fertilisation, dispersal, germination and plant growth including photosynthesis.
- Describe the processes of aerobic and anaerobic respiration in animals and plants and describe how the human gas exchange system allows us to breathe.
- Describe how unicellular organisms can be used in food production and decomposition and simply describe how these organisms can have an impact on ecosystems.
- Describe a range of combustion reactions and the fire triangle.
- Describe the effects of combustion reactions on our atmosphere and explain the greenhouse effect.
- Describe the structure / properties of each rock type and how they are formed.
- Describe the effects of each type of weathering.
- Explain the advantages of recycling metals.
- Relate the uses pf different elements to their chemical properties and explain the reactions between metals with oxygen and water.
- Describe an alloy.
- Use the particle model to describe the causes of gas and fluid pressure.
- Describe how white light can be split into colours and that it can travel in straight lines from a source.
- Draw diagrams to show how light is affected by different media.
- Describe the ways in which heat can be transferred and what is meant by power.
- Compare the heliocentric and geocentric models of the solar system as well as using models to explain the seasons.