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Ӹ İ ÿ ִٰ? װ ̾
1. ߷̶ ϱ? What is gravity?
߷ ġ The effects of gravity
2. ߷ ߰ Discovery of gravity
߷ ִٴ ó ߰
Newton first discovered that there is gravity everywhere
߷ ¾
The sun having the most powerful gravity
༺
Earth and the other planets
3. ߷, , Gravity, weight and motion
Galileos experiments
νŸ 뼺 ̷С
Einsteins theory of relativity
νŸ Ǽ Einsteins mistake
4. ߷ Ž Defying gravity
߷ Ž õ
Various attempts to defy gravity
5. ߷° ü Gravity and body
ϻȰ ߷ Gravity in daily life
߷ ¿ 츮
Our bodies in weightless conditions
پٰ?
Weight is lost on the moon?
6. ֿ ߷ Gravity in space
忡 Ÿ ѷڽ?
Riding a roller coaster in the International Space Station
ΰ߷
How to make artificial gravity
Ȧ ϱ?
What is a black hole?
Ȧ ұ?
Do worm holes really exist?
7. ߷ Dangers of gravity
༺ 浹 Asteroid smash
η
ǥ
Lets Study English!
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߷¡ İ ÿ ִٰ? װ ̾?
İ ÿ ִ Ű н <̾?> ø <߷> Դϴ.
츮 Ȱ ִ ߷¿ ִ ̾߱Ⱑ ϴ. ߷¿ ڵ 塯, ߷ ü ġ ⡯, ֿ ߷¡, ߷ 衯 ߷¿ پϰ Ÿ İ ݴϴ. Ǹ ÿÿ ظ ϴ.
å ߷¿ ĸ ϴ å ƴմϴ. ߷° õ ܾ ǥ ÷Ͽ ܾ ȿ ڿ մϴ. é ڿ Lets Study English! ڳʸ Ͽ ֿ ǥ ʵл ˾ƾ ȸȭ ǥ ٷ, Ǹ ʵ ʼ ֡ η ܾε Ȱ ֵ ߽ϴ.
ְ İ Բ Ƿ± ־ killing two birds with one stoneϼ ȿ ִ ̾? ߷¡ ȭ ô뿡 ´ ο н Դϴ.
ȣ ä ϴ 21 ڱֵн !
츮 ̵ ñϴ ƴմϴ. 츮 ֺ ϴ ͵鿡 ȣ ϴ. <̾?> ø , ̵ پ ǿ , dz Բ , ü մϴ. 츮 ̿ ִ پ ͵鿡 ó ߴ ̾߱ 츮 غ ǽı Ͽ ̿ ְ ְ մϴ.
Ӿ ñ ذϴ Žϰ ϴ ˴ϴ. ɰŸ ȣ ̸ ä ϴ <̾?> ø ڱֵн źź ذŸ Ǿ Դϴ.
ÿ ϴ Ű Ʈ н!
簡 ǥ ʵ !
ܾ ܿ ϴ н Ѱ谡 ֽϴ. <̾?> ø ݱ ٸ, ο ̸ ݴϴ. ܾ ܿ н ƴ, ӿ ܾ ˰ Ͽ ڿ ϰ մϴ. ܱ ƴ 屸 ڱ н ⸦ ϴ .
ʵб 簡 ʼ ܾ ǥ <̾?> ø Ȳ ´ ܾ ִ ɷ ̿ ڽŰ Ű Դϴ. |
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