Our Planet, Earth

Imaginary line running through Earth between the North and South Poles.

• Solstice

• Axis

• Equinox

Point at which everywhere on Earth, days and nights are nearly equal in length.

• Revolution

• Orbit

• Equinox

Path one object makes as it circles around another.

• Orbit

• Revolution

• Time Zone

Circular journey around the sun.

• Solstice

• Equinox

• Revolution

Point at which days are longest in one hemisphere and shortest in another.

• Winter

• Summer

• Solstice

If it is summer in the Northern hemisphere, what season is it in the Southern hemisphere?

• Winter

• Fall

• Spring

How can days be short and cold in one hemisphere when they are long and hot in another?

• That's just the way it is

• Tilt of Earth's axis and the position of the sun

• At one point in the year, the Earth always faces away from the sun.

Each complete turn that Earth makes is a called a ______.

• Rotation

• Orbit

• Solstice

Who decided we should have time zones?

• Government

• Isaac Newton

• Zeus

The center of Earth that is very hot metal.

• Water

• Core

• Mantle