Earth Science Final

In the heliocentric theory, the Earth revolves around what?

• Mars
• The sun
• The moon
• The stars

True or false: The sun has the most gravity in our solar system.

• True
• False

Who explained that sun is at the center of the universe?

• Ptolomey
• Brahe
• Kepler
• Copernicus

Who discovered each planet’s orbit around the sun is an ellipse.

• Ptolomey
• Brahe
• Kepler
• Copernicus

Who explained the planets and sun to orbit the Earth.

• Ptolomey
• Brahe
• Kepler
• Copernicus

The moon appears to be cut in half during which phases?

• new moon and first quarter phase
• new moon and full moon phase
• first quarter and third quarter phase
• full moon and third quarter phase

Why does the Earth have seasons?

• The earth is farther away from the sun at different points in the year
• The earth spins so fast that it causes the seasons to occur
• The tilt of the earth
• The moon's gravitational pull

What is the tilt of Earth?

• 20.5 degrees
• 21.5 degrees
• 22.5 degrees
• 23.5 Degrees

What is the winter solstice?

• The day of the year with the shortest period of sunlight
• The day of the year with the longest period of sunlight
• days that have equal amounts of daylight and darkness

What is the summer solstice?

• The day of the year with the shortest period of sunlight
• The day of the year with the longest period of sunlight
• days that have equal amounts of daylight and darkness