Recursos educativos object página 20

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Unit 9: Motion and forces
EduBook Organización
2852 visitas
Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…
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Look - The effects of heat
EduBook Organización
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This experiment shows what happens to an object when we heat it. Look at the pictures. In the first illustration, the metal ball passes through the ring. In the second illustration, the ball has been…
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Radioactive Dating Game
Tiching explorer Organización
4438 visitas
With this simulation students will learn about different types of radiometric dating, such as carbon dating. They will understand how decay and half life work to enable radiometric dating to work. We…
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Comprehension (II) (PET)
EduBook Organización
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Now rewrite the incorrect sentences. Gulliver had been at home for about a month when his friend visited him. The ship was attacked by pirates. Gulliver saw a strange object in the sky. Gulliver was…
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Heat, light and sound
EduBook Organización
2669 visitas
Colour. Objects have different colours. A leaf is green in colour. Noise. Noise is an unpleasant sound. Traffic makes noise. Heat. Heat makes an object hotter. A fire gives us heat. Reflection. We see…
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Summaries - Machines and structures
EduBook Organización
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1. Electrical current An object becomes electrically charged when it contains an electrical charge. Some objects become electrically charged when we rub one against the other. For example, when you rub…
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Sound
EduBook Organización
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What is sound? Sound is produced when an object vibrates. We hear sound using our sense of hearing. We can hear sound from different sources: The human voice produces sound when we talk because the…
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Did you know?
EduBook Organización
2616 visitas
The mass of an object does not change when you move it from one place to another or take it to the Moon. But weight does vary, because the magnitude of gravity on Earth is not constant at 9.8 m/s2…
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Bone and joint injuries
EduBook Organización
2569 visitas
Violent movements, strong blows or excessive tension can injure our bones and joints. The most common injuries are fractures, sprains and dislocations. Fractures When a bone is put under too much…
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Questions with "Who"
EduBook Organización
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Write questions beginning with Who. Use the words in brackets. Remember, if Who is the subject of the verb, you don’t need to use did in the question (e.g. Who loved Romeo?). If Who is the object, you…
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