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Newton's law of gravitation
EduBook Organización
- 3004 visitas
Basing his work on many different kinds of experiments, the English physicist Sir Isaac Newton (1642 – 1727) established the law of gravitation. The law of gravitation states that the greater the…
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Science Please! / Gravity
Xtec Organización
- 2716 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…
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Work on gravity
EduBook Organización
- 1903 visitas
Here is a link to a simulation which will enable you to work on the forces of attraction between masses: www.tiching.com/100615 Use this simulation and explain the differences observed in the magnitudes…
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Unit 9: Motion and forces
EduBook Organización
- 2671 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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Balloons and Static Electricity
Tiching explorer Organización
- 4166 visitas
This simulation explains why a balloon sticks to a sweater. Students can rub a balloon on a sweater, then let go of the balloon and see how it flies over and sticks to the sweater. They can check the…
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Comprehension check (KET)
EduBook Organización
- 2454 visitas
Are these sentences “Right” or “Wrong”? If there is not enough information to answer “Right” or “Wrong”, choose “Doesn’t say”. The Montego Wax Museum is a big tourist attraction…
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Video: Brass shakles, long neck women
Esl video Organización
- 3964 visitas
This 4 minute video by National Geographic shows women from the Paduang tribe. They wear brass coils to make their neck longer and shakles on their limbs. This tribe was persecuted in Burma and they…
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John Travoltage
Tiching explorer Organización
- 2545 visitas
In this simulation students will make sparks fly with John Travoltage. They can wiggle Johnnie's foot so that he picks up charges from the carpet. When we bring his hand close to the door knob, he gets…
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Complete. Magnets
EduBook Organización
- 1972 visitas
Complete these sentences with the correct words: The force of attraction or repulsion of a magnet is strongest at the two . We call these two ends the . A magnet has two poles: a pole and apole. If we…
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The Milky Way
EduBook Organización
- 1920 visitas
Galaxies are concentrations of billions of stars held together by gravitational attraction. The Solar System is part of a spiral-shaped galaxy called the Milky Way. The Milky Way has a concentration of…
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