M16 - 1

Question 1

Describe the earth’s axis.

Answer 1

• Imaginary line that starts at the North Pole, goes through the centre of the earth, and end at the South Pole.
• It is not vertical.
• It is tilted at 23.5 degrees from the vertical
• It maintains it tilt as it moves around the sun.

Question 2

Why does the earth have night and day?

Answer 2

• The earth rotates on its axis once per day.
• The side of the earth that is facing the sun experiences daytime.
• The side of the earth facing away from the sun experiences nighttime.

Question 3

What is the Equator?

Answer 3

Equator = Imaginary line that runs horizontally across the middle of the earth at 90 degress to the earth’s axis.

Question 4

Describe the Earth’s orbit around the sun.

Answer 4

• The earth moves around the sun in a curved path.
• The earth takes 1 year to do a complete orbit around the sun.