Recursos educativos object página 11

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Choose. Changes in matter
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Choose what type of change is taking place in each of these situations: A fire becomes smoke and then ash. A block of ice melts. An iron object let out in the weather develops a layer of rust. A piece…
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Complete these sentences
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Complete these sentences: Wood, coal and oil are sources of heat. Light cannot pass through objects. We use to measure temperature. When we heat an object, it . Water is the only substance which expands…
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$Reflection and refraction of light | Recurso educativo 483606$
Reflection and refraction of light
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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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Answer. Energy
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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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Talk about it. Motion and forces
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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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Game: PowerUp
Tiching explorer Organización
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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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Before you start - Matter and materials
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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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Measurement. Magnitudes and units
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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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Check. Light, shadow and penumbra
EduBook Organización
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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
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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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