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Self-assessment T10 02 - Machines and structures
EduBook Organización
- 2709 visitas
Complete these sentences with the correct words: Some objects become electrically when we rub one against the other. Electrical current is the flow of through materials. A is needed to create the…
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Reflection and refraction of light
EduBook Organización
- 2682 visitas
Objects reflect light When light shines on an object, sometimes it passes through the object and other times it reflects off it. When an object reflects light, we can see it. Mirrors A mirror is a…
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Unit 9: Motion and forces
EduBook Organización
- 2576 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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End-of-unit evaluation - Matter and materials
EduBook Organización
- 2479 visitas
Everything around us is made up of matter. Matter can be found in three states: solid, liquid and gas. The air we breathe is a gas, the water in rivers and seas is a liquid, and the rocks are in a solid…
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Complete. Dilation and contraction
EduBook Organización
- 2438 visitas
Complete the text with the correct words: heat contraction dilations mass temperature dilation material When objects heat up, the amount that they increase in temperature depends on three things, their…
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Summaries - Machines and structures
EduBook Organización
- 2417 visitas
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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Answer. Light and sound
EduBook Organización
- 1 lo usan
- 2137 visitas
Answer the following questions in your notebook: What is light? Which of our senses perceives it? What does our image look like in a mirror? What do we use a magnifying glass for? Why do objects have…
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Match. 19th century artistic trends
EduBook Organización
- 2326 visitas
Match each definition with the correct artistic trend: It was concerned with faithfully describing the reality of the age. Its aesthetic was above all elegant and refined. It used forms inspired by…
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Understanding Uncertainty
Tiching explorer Organización
- 3079 visitas
With this lesson students will study the Heisenberg uncertainty principle and how it can only be applied to the subatomic world, not to the ordinary world of macroscopic objects. In the quantum…
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