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Water purification and treatment
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Water goes through a series of stages both before and after it is used for consumption. Water collected from a river or lake is purified for human consumption. After human use, contaminated water and…
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Sound
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6.1. What is sound? Sound is the propagation of vibrations and energy in a straight line and in all directions. It travels from the source of sound to the receptors. Unlike light, sound needs a material…
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Answer. Reproduction in animals
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Look at the photos and answer the questions: What animals can you see in the photos? Look at the photos of the peacocks. What is the male peacock doing? How does this relate to reproduction? Which…
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Comprehension check (KET)
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Are these sentences “Right” or “Wrong”? If there is not enough information to answer “Right” or “Wrong”, choose “Doesn’t say”. Matthew Cuthbert is Mrs Lynde’s friend. Marilla…
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Services and industry
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The service sector has not replaced the industrial sector, but the two sectors have become increasingly interdependent. For industry to remain competitive, it depends on an increasing variety and number…
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Answer. Worms and molluscs
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Remember what you have studied in this section and answer the questions: What do worms look like? What protects a mollusc's body? What three groups are molluscs classified into? Some worms live in…
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Writing - After Reading
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In small groups choose one of the two tasks, make notes and then write a short answer. What happens to Holly’s mum? Think about what could happen. Think of a few things she does as her sister and…
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Answer. Properties of matter: mass, volume and density
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Remember what you have studied in this section and answer the questions: What is mass? What is volume? What is density? What is matter? What two physical properties does matter have? How many kilograms…
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Reading
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A few weeks later Marilla, Mrs Lynde and Diana’s parents go to an important meeting in Charlottetown. They all sleep in Charlottetown that night. Anne stays home with Matthew. They have dinner at half…
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Think about it. Energy transfer
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Remember what you have studied in this section and answer the questions: Which has more internal energy: a hot body or a cold body? Explain why. With a classmate, discuss why we can start a fire if we…
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