Earth's Movement Through Space

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

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

On the day of the summer solstice, the sun's vertical rays strike the Earth along the _____.

• Arctic Circle
• Antarctic Circle
• Tropic of Cancer
• Tropic of Capricorn

At position A, which hemisphere would have summer?

• Northern hemisphere
• Southern hemisphere

What answer does not explain Earth's seasons?

• The 23.5 degree tilt on the axis
• The axis pointed toward Polaris
• The revolution around the sun
• The Earth's rotation