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Listening - The Gift of the Magi
EduBook Organización
- 1 lo usan
- 1644 visitas
Listen to the first part of the story and decide if the following sentences are true or false. The rent for the Dillingham Youngs’ apartment was $20 dollars a month. Della wanted to buy Jim a…
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Sound and noise
EduBook Organización
- 1800 visitas
What is sound? Sound is produced by vibrating objects. We perceive sound because we use our sense of hearing. When an object produces a sound, it travels through the air or other objects (walls,…
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Comprehension check (PET)
EduBook Organización
- 1840 visitas
Read the statements below about Part Eleven. Decide if each statement is correct or incorrect. Doctor Livesey visited the camp because he wanted to see Jim. Long John Silver allowed the doctor and Jim…
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The temperature of the earth
EduBook Organización
- 1783 visitas
Inside the Earth, temperature rises when you get nearer to the centre. This increase in temperature is known as the geothermal gradient. It is calculated that in the outer layers, it is 1 °C for every…
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What is sedimentation?
EduBook Organización
- 1777 visitas
Sedimentation is the process of depositing materials. It can happen in different ways: Dissolved material in a river may be deposited if the water evaporates. A rock mineral called calcite is formed in…
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Transparent, translucent and opaque
EduBook Organización
- 1783 visitas
When light travels, it meets different materials. Some materials allow light to pass through them and others do not. We can classify materials into three groups according to how they respond to light.…
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Small celestial bodies
EduBook Organización
- 1764 visitas
Comets are made up of ice, dust and light rocks. When comets move close to the Sun, some of the ice evaporates and a tail forms. The tail is made up of dust particles. Asteroids are rocky bodies. Most…
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Question words
EduBook Organización
- 1814 visitas
WHERE’S HE GOING? WHY ISN’T HE WORKING ON HIS FARM? Where and why are question words. Here are some words we often use to make questions. What ...? (for things) When ...? (for time) Why ...? (for a…
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Initial evaluation 01 - The Earth's climate zones
EduBook Organización
- 1736 visitas
Complete the following sentences with the missing words: tundra – hot – rains – savannah – polar– desert – jungles – cold – ice In the , the dry air makes the days hot and the nights…
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