Solar System
Planet Earth
Rotation of the Earth
Time Zones
Revolution
100
What is at the center of our solar system?
The Sun
100
What is the imaginary line that runs around the middle of the Earth?
The Equator
100
What is the imaginary line that the earth spins on?
Its axis
100
How many time zones does the Earth have?
24
100
The movement of the Earth around the Sun is called what?
Revolution
200
What is the name of our galaxy?
Milky Way
200
Earth is divided into two equal what?
Hemispheres
200
How long does it take the Earth to rotate once on its axis?
24 hours
200
What causes night and day?
The rotation of the Earth.
200
How many days are in a year?
365
300
Which planet is nearest to the Sun?
Mercury
300
Which of the two hemispheres contains most of the continents?
Northern
300
Why is the rotation of the Earth important for life on Earth?
It stops the planet from becoming too hot or too cold allowing life to exist.
300
How many times does the Earth turn on its axis every 24 hours?
Once
300
When it is summer in the north, what season is it in the south?
Winter.
400
What are small bodies of rock and metal that orbit the Sun?
Asteroids
400
What is the shape of the Earth known as?
A geoid
400
Where does the Sun rise and set?
The Sun rises in the east and sets in the west.
400
Do all the places in the same time zone share the same time?
Yes.
400
What are leap years?
A year that has 366 days. It occurs once every four years.
500
What are the names of the three dwarf planets?
Ceres, Pluto, Eris
500
Why does the Earth look blue?
Due to the oxygen in the atmosphere and the abundance of seas and oceans.
500
The Earth rotates from what direction?
West to east.
500
The Sun appears at its highest point in what season?
Summer.
500
What causes the different seasons?
Because the Earth is tilted at an angle, different areas of the planet are exposed to different amounts of solar light during the year.
M
e
n
u