How long is the Earth's rotation?
24 hrs (1 day)
Are the phases of the moon caused by its rotation or its revolving around the Earth?
Revolving around the Earth.
What force causes the tides on Earth?
Gravity of the moon and sun.
If Earth had no tilt, would there be seasonal changes?
No, it's the tilt that causes the seasonal changes
What does Earth's rotation on its axis cause?
Day and night
What do you call the protective part of the atmosphere that guards Earth against solar radiation?
The magnetosphere
How many days does it take the moon to revolve around the earth, showing all of its phases.
27-28 days
During a solar eclipse, is the moon between the Earth and the sun, or is the Earth between the moon and the sun?
The moon is between the Earth and the sun.
Earth is tilted toward the sun and there are more hours of daylight. What season is it?
Summer
*gain an extra 100 points
What is the force that pulls one object toward another?
Gravity
True or false: Earth is the only planet in the solar system that has liquid oceans.
True
How many phases of the moon are there?
8
What do you call the special type of high tide that occurs twice a month when the sun, moon, and Earth are in a straight line, during New Moon and Full Moon?
Spring Tide

Which season is it in the Southern Hemisphere in this picture?
Winter.
What does scientific evidence suggest is the age of the Earth?
4.5 billion years
Earth's atmosphere consists of nitrogen, oxygen, and several other gases. Name one of the other gases that is listed in your study guide.
carbon dioxide, methane, or water vapor
In a waning moon, the light is on the....
left
What do you call the special type of high tide that occurs twice a month during the First Quarter and 3rd Quarter moons, when the moon, Earth and sun form a right angle? During this time, there is less of a difference between high and low tide.
Neap Tide
In this picture, which hemisphere receives less daylight?

Southern hemisphere
Which two elements bond together to create water?
Hydrogen and Oxygen
The Earth's distance from the sun is valuable in many ways. Name two.
It allows for liquid water.
It provides light.
It provides heat, but not too much.
Name the phases of the moon.
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
*5,000 points*
During a lunar eclipse, why does the moon sometimes appear red?
Because the sun's light bends around the Earth and the Earth's atmosphere filters out the blue end of the spectrum.
Which season is it in the Northern Hemisphere at B?

Fall
Which property of water causes it to stick to other surfaces?
adhesion