THE UNIVERSE. Phases_of_moon 2.jpgTHE MOON.

Gap-fill exercise (by Juan Luis Serrano Pedrosa).

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

USE THESE WORDS.

Sun
phases
high
tides
Earth
28 (x2)
low
gravity
water

THE MOON.

The Moon’s movement:
The Moon is the Earth’s satellite. It orbits around the . The Moon takes around days to revolve around the Earth.
The Moon also rotates on its axis. Its rotation takes around days. That’s why we always see the same side from the Earth.

The phases of the Moon:
Satellites are non-luminous celestial bodies. The Moon only bright because the shines on it.
Changes in the Moon’s position compared to the Earth and the Sun mean we can see all of it, part of it or none of it.
These are called the of the Moon:

Las fases de La Luna.png

The Moon and the Earth’s tides:
The Earth and the Moon attract each other because of a force called . This force pulls us towards the Earth. Big objects have more gravity than small ones.
The Moon’s gravity makes the Earth’s move. This creates . When the Moon is close to the Earth, there is tide. When it’s far from the Earth, there is tide.