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Animals are living things (II)
EduBook Organización
- 3888 visitas
How do animals move? Animals move in different ways, depending on where they live. Many animals move on land: Cheetahs use their legs to walk and run. Kangaroos use their legs to jump. Spiders use their…
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The weather
EduBook Organización
- 3726 visitas
The layer of air that surrounds the Earth is called the atmosphere. All the weather on the Earth happens in the atmosphere. Changes in the atmosphere cause different types of weather. People who study…
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Physical properties of materials - Matter and materials
EduBook Organización
- 3336 visitas
Different materials have different properties. The properties of a material tell us which material it is. The properties also tell us what objects we can make from it. We can measure some properties,…
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Calculate - End-of-unit activities
EduBook Organización
- 3325 visitas
How far does light travel through water in 10 s? A robot sent a signal at the speed of light from the planet Mars. It took 3 minutes to reach Earth. How far away is Mars? How far does sound travel…
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Unit 5: Weather and climate
EduBook Organización
- 3187 visitas
Altitude (n): the height of land measured from sea level. atmosphere (n): a gaseous layer that surrounds the Earth. climate (n): the atmospheric conditions that exist in a region over a long period of…
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Activities - The weather
EduBook Organización
- 3110 visitas
The layer of air that surrounds the Earth is called the atmosphere. All the weather on the Earth happens in the atmosphere. Changes in the atmosphere cause different types of weather. People who study…
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What is sound?
Maria Pallarés Docente
- 1 lo usan
- 4174 visitas
What is sound? Sound is a form of energy, just like electricity and light. Sound is made when air molecules vibrate and move in a pattern called waves, or sound waves. Think of when you clap your hands,…
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Remember - The weather
EduBook Organización
- 2936 visitas
The layer of air that surrounds the Earth is called the atmosphere. All the weather on the Earth happens in the atmosphere. Changes in the atmosphere cause different types of weather. People who study…
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A diérese. A diferenza entre "se non" e "senón"
EduBook Organización
- 2901 visitas
Ortografía A diérese Empregamos a diérese: Nos grupos güe/güi, para indicar que se pronuncia o u: pingüíns. No i da 1a e 2a persoas de plural do copretérito dos verbos rematados en -aer, -oer,…
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Sound
Tiching explorer Organización
- 5315 visitas
This simulation lets us see sound waves. We can adjust the frequency and amplitude/volume and we can see and hear how the wave changes. Moving the listener around we can hear what she hears. We can…