Movement of the Earth

The closest point to the Sun in a planet's orbit is called_____.

• aphelion
• helion
• perihelion
• solstice

The furthest point to the Sun in a planet's orbit is called_____.

• perihelion
• aphelion
• solstice
• helion

Precession is the wobbling of the Earth's axis as it turns in space.

• True
• False

There are _____ standard time zones around the world.

• 21
• 24
• 48
• 12

Approximately how many degrees of the Earth's total circumference does each time zone cover?

• 45
• 25
• 35
• 15

As the Earth orbits around the sun, the direction of the tilt of its axis changes.

• True
• False

The Earth's axis is tilted _____ degrees.

• 23.5
• 25.3
• 30.2
• 24

Which letter on the diagram represents the Earth's position on the autumnal equinox?

• A
• B
• C
• D

Which letter on the diagram represents the Earth's position on the vernal equinox?

• A
• B
• C
• D

Which letter on the diagram represents the Earth's position on the summer solstice?

• A
• B
• C
• D