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Answer. Energy
EduBook Organización
- 3156 visitas
Remember what you have studied in this section and answer the questions: Where do humans get energy from? What is the main energy source on Earth? What kind of energy do we feel when we touch a hot…
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Reflection and refraction of light
EduBook Organización
- 3031 visitas
4.1. Bending of light rays The effects of reflection and refraction of light happen because of the linear propagation of light. 4.2. Reflection of light Reflection happens when light rays meet a smooth…
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Game: PowerUp
Tiching explorer Organización
- 2 lo usan
- 4301 visitas
Downloadable 3D action-strategy game. The object of the game to save Planet Helios from ecological devastation. We find out about the environmental disasters, and design and build energy solutions to…
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Talk about it. Motion and forces
EduBook Organización
- 2971 visitas
Look at the pictures and answer the questions. Look at the train and plane in the photos. What allows us to determine their trajectories? What quantity refers to the distance travelled by a moving…
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Measurement. Magnitudes and units
EduBook Organización
- 2699 visitas
1.1. Magnitudes Matter has two general properties. It has mass and volume. Mass and volume are magnitudes. Everything that can be measured has a magnitude. Time, length and temperature can all have a…
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Animals of the world
Tiching explorer Organización
- 1 lo usan
- 4222 visitas
The object of this game is to correctly guess the mystery animal using as few clues as we can. We choose one of the five animal groups (fish, mammals, insects, birds, reptiles and amphibians) and then…
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Before you start - Matter and materials
EduBook Organización
- 2642 visitas
Didactic objectives Understand what matter and materials are. Recognise that objects are made up of matter. Distinguish between the three states of matter and identify solids, liquids and gases.…
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Check. Light, shadow and penumbra
EduBook Organización
- 2617 visitas
Remember what you have studied in this section and answer the questions: Name two effects that show that light travels in a straight line. Can you demonstrate it now? With a classmate, describe the…
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Learn. Simple machines - Obtaining and using energy
EduBook Organización
- 2610 visitas
Simple machines The most rudimentary machines are called simple machines. They are basic, but they are of great help in performing tasks and transferring energy. The Wheel A wheel is a circular object…
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Science Please! / Gravity
Xtec Organización
- 2618 visitas
Just' cause you're upside-down, it doesn't follow that you'll fall. There's a force of attraction that keeps your feet firmly on the earth. An object in space is attracted to the…