The Moon 1 What is the moon It

The Moon 1. What is the moon ? It is the only natural Satellite of the Earth. 2. Is the Moon smaller than the Earth ? Yes. 3. Does it have water and air? No. 4. Is its surface dusty and brownish ? Yes. 5. Does it have own light or reflect light fro the sun ? No light of its own –reflected sun light 16/02/42 1

The Moon 6. Does it have special seas and land ? No. 7. What is the interior of the Moon made up ? The interior of the Moon is made up of different layers of rocks some solid and some molten. 16/02/42 2

Other properties of the moon 1. What is its radius ? The radius of the moon is 1, 738 km 2 What is the distance from the Earth to Moon ? The distance from the earth to Moon is 384, 000 K. m. ( 350, 000) Km 3. What is the radius of the sun ? The radius of the sun is 696 , 000 km 16/02/42 . 3

Movements of the Moon 1. The moon goes around the Earth. *It takes about 27 days. 2. It goes around its own axis. It takes 24 hours 3. The moon goes around the sun. * It takes about 367 days 16/02/42 4

The rotation of the Moon round the Earth 16/02/42 5

The rotation of the Moon round the Earth 16/02/42 6

Moon’s phases 16/02/42 7

16/02/42 8

4. How does a relatively small object hide a huge object like the sun ? Because of the distance. 16/02/42 9

Eclipse 1. What does an eclipse mean ? It means disappearance / in shadow. 2. Why does the sun disappear during daylight ? (a solar eclipse ) Because the Moon passes between the sun and the Earth. 16/02/42 10

3. When does a lunar eclipse happen ? When the Earth passes between the Sun and the Moon. 16/02/42 11

Answer these questions 1. 2. 3. 4. 5. 6. How can we see the moon ? Does it travel around the Earth ? Why can we see greater or lesser parts of the moon as it travels around the Earth ? Why can we only ever see half of the Moon ? What is the radius of it ? How many movements of the Moon ? 16/02/42 12

Match the following : 1. Solar a. a. body that moves in a fixed obit round another. 2. Axis *b. disappear / in shadow. 3. Orbit c. the path of a planet 4. satellite d. to do with the sun 5. lunar: e. to do with the moon. 6. eclipse f. an imaginary line around which a body moves. 16/02/42 13