Recursos educativos object página 19

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Heat and temperature
EduBook Organización
2459 visitas
What is heat? Heat makes an object hotter. It always travels from hot objects to cold objects. Sources of heat Sources of heat produce heat. There are artificial sources and natural sources. Some…
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Summaries - Matter: Mass, Volume and Density
EduBook Organización
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1. Measurement. Magnitudes and units Matter has two general properties. It has mass and volume. Mass and volume are magnitudes. Everything that can be measured has a magnitude. To measure something is…
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End-of-unit evaluation - Light and sound
EduBook Organización
2405 visitas
We perceive most of the things around us because we can see or hear them. Most objects do not have their own light. We see them because they are illuminated by light from natural and artificial sources,…
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Radioactive Dating Game
Tiching explorer Organización
3616 visitas
With this simulation students will learn about different types of radiometric dating, such as carbon dating. They will understand how decay and half life work to enable radiometric dating to work. We…
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Unit 9: Motion and forces
EduBook Organización
2343 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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Bone and joint injuries
EduBook Organización
2303 visitas
Violent movements, strong blows or excessive tension can injure our bones and joints. The most common injuries are fractures, sprains and dislocations. Fractures When a bone is put under too much…
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Did you know?
EduBook Organización
2285 visitas
The mass of an object does not change when you move it from one place to another or take it to the Moon. But weight does vary, because the magnitude of gravity on Earth is not constant at 9.8 m/s2…
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Introduction - Light and sound
EduBook Organización
2217 visitas
We perceive most of the things around us because we can see or hear them. Most objects do not have their own light. We see them because they are illuminated by light from natural and artificial sources,…
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Simple and compound machines
EduBook Organización
2178 visitas
Machines have several connected parts and work manually or with a motor. They save us time and effort. Simple machines Simple machines only have a few parts. The most common examples are the lever, the…
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Look - The effects of heat
EduBook Organización
2175 visitas
This experiment shows what happens to an object when we heat it. Look at the pictures. In the first illustration, the metal ball passes through the ring. In the second illustration, the ball has been…
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