39520004
Beschreibung
Karteikarten von Daisy Wootton, aktualisiert vor 5 Monate
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Erstellt von Daisy Wootton
vor 5 Monate
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| Frage | Antworten |
| why do we get seasons? | the earth's tilt |
| what is the tilt of the earth in degrees? | 23.5 degrees |
| what causes winter in the uk? | when the northern hemisphere is tilted away from the sun it is winter in the uk. |
| what causes summer in the uk? | when the northern hemisphere is tilted towards the sun it is summer in the uk. |
| why does the sun feel warmer in summer? | the sun is higher in the sky so the heat is more concentrated. |
| what is the definition of repel? | when two magnets are pushed apart. |
| whats the definition of attract? | when two magnets are pulled together |
| what is the definition of gravity? | force exerted by all objects with mass trying to pull other objects towards it. |
| what is the definition of weight? | the force of gravity pulling on you. measured in Newtons (N) |
| what is the formula for weight? | weight = mass x g (acceleration of gravity) |
| what is the difference between a natural satellite and an artificial satellite? | artificial satellites can be put into orbit around Earth for photographing / transmitting TV programs etc but natural satellites are already up there. |
| what is an example of a natural satellite? | the moon |
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