THE UNIVERSE. Earth rotation.pngDAY AND NIGHT.

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.

28

axis

24

rotation

satellite

Earth
DAY AND NIGHT.
Day and night.png
The Earth turns on its
This movement is called .
A complete rotation takes hours.
The Moon orbits the .
It is a .
It orbits takes days.