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Complete. Dilation and contraction
EduBook Organización
- 2065 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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Answer. Light and sound
EduBook Organización
- 1 lo usan
- 1854 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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Unit 3: Medieval cities
EduBook Organización
- 2023 visitas
Altarpiece (n): a work of art located above and behind the altar of a church. apprentice (n): a person who acts as assistant and student to a skilled craftsman. artisan (n): a craftsman skilled at…
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Unit 9: Motion and forces
EduBook Organización
- 1949 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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Understanding Uncertainty
Tiching explorer Organización
- 2458 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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A microscope
EduBook Organización
- 1933 visitas
A microscope is an instrument that magnifies very small objects, like cells, so that we can observe and study them. The main part of this instrument is a metal tube with a lens at each end: the eyepiece…
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Summaries - Machines and structures
EduBook Organización
- 1902 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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Match. 19th century artistic trends
EduBook Organización
- 1871 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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End-of-unit evaluation - Matter and materials
EduBook Organización
- 1842 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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