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Check. Test yourself
EduBook Organización
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Remember what you have studied in this unit and answer the questions: What is the difference between heat and temperature? What happens when a hot object touches another object that is colder? What is…
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Matter, materials and measuring
EduBook Organización
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What is matter? All the objects around us, including all living and non-living things, are made of matter. Matter is everything that has a weight and a volume. The quantity of matter that an object has…
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Summaries - Energy
EduBook Organización
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1. Energy Energy is the power that causes change in things and allows us to carry out work. Energy is produced by energy sources. The main source of energy on Earth is the Sun. Energy exists in several…
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Complete. Dilation and contraction
EduBook Organización
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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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Complete. Energy and forces
EduBook Organización
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Copy and complete the following sentences in your notebook: change deformation state distance deformations changes forces Kinetic energy acts on objects using . Forces produce movements and . Heat…
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True and False. Equilibrium
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Answer true or false: An object is in equilibrium when the sum of the forces acting upon it is equal to zero. If an object is in equilibrium it cannot be moving. A block at rest hanging on the cable of…
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Final self-evaluation 7 - Matter: Mass, Volume and Density
EduBook Organización
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Complete the sentences with the missing words: width – scales – capacity – kilogram – length – mass – square metre – dimension– ruler – SI – surface area – volume The of an object…
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The propagation of heat
EduBook Organización
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Heat transfers from a hot object to a cold object by means of three mechanisms: conduction, convection and radiation. 6.1. Conduction Heat is transmitted through solid substances by conduction (figure…
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Unit 2: Matter: Mass, Volume and Density
EduBook Organización
- 1935 visitas
Capacity (n): the volume a container can hold. concave meniscus (n): the downward curvature of a liquid at its surface. convex meniscus (n): the upward curvature of a liquid at its surface. cubic metre…
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Look and answer. Objects and densities
EduBook Organización
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Objects have different densities. This means that they behave differently in water. Some objects float in the water, some sink and some balance in the middle of the container of water. Look at the…
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