What causes day and night on Earth?

• The revolution of the Sun.

• The rotation of the Earth.

• The revolution of the Earth.

• The rotation of the sun.

How long is the revolution period for Earth?

• 365 days

• 24 days

• 365.25 days

• 360 days

What causes the seasons on Earth?

• The tilt of the Earth on its axis.

• The distance the Earth is away from the Sun.

• The rotation of the Earth.

• Mother Nature

How many equinoxes are there every year?

• 1

• 2

• 3

• 4

How many North poles are there?

• 0

• 1

• 2

• 3

When does winter start in the Southern Hemisphere?

• Dec. 21

• March 21

• June 21

• Sept. 21

The number of daylight hours is nearly equal to the number of nighttime hours all over the world.

• solstice

• equinox

• vernal

• autumnal

What causes the tides on Earth?

• Earth's magnetic field

• Earth's gravity

• The Moon's magnetic field

• The Moon's gravity

The moon gets its light from _____________.

• Nuclear fusion

• Nuclear fission

• It reflects light from the Sun

• It reflects light from the Earth

A ____________ is a tide with the GREATEST difference between consecutive high and low tides.

• spring tide

• neap tide

• high tide

• low tide