The place where you can find water on the moon and what state it is in.
What is ice located at the poles?
100
This is when the sun is directly overhead at the equator, this causes equal day and night. (give both times of the year)
What is the spring (vernal) equinox and the fall (autumnal) equinox?
100
This is the definition of gravity.
What is a force where all objects are attracted to each other?
100
This is how long a tide cycle is.
What is 12.5 hours?
200
This is called revolution.
What is one complete orbit of the Earth around the sun?
200
During a full moon, when the Earth is between the sun and the moon, the Earth casts a shadow across the moon.
What is a lunar eclipse?
200
This is when the sun reaches its greatest distance north or south of the equator, causing the longest and shortest days of the year. (name both days)
What is the winter and summer solstice?
200
The strength of gravity depends on this.
What is the mass of objects and the distance between them?
200
This is what causes tides.
What is the gravitational forces between the sun, moon, and Earth cause tides; where the moon has a greater effect than the sun because it is closer?
300
This is 23.5 degrees.
What is the tilt of the Earth's axis?
300
This is how scientists believe the moon was formed.
What is a large object struck the Earth, and some material from the object combined with material from the Earth; this material was then trapped into orbit around the Earth?
300
This is the season the sun's rays are the least direct.
What is in the winter?
300
This is Newton's law of universal gravitation.
What is every object in the universe attracts every other object?
300
We have the highest tides when these are in line.
What is the sun, moon, and the Earth?
400
The direction of the sun rise and sun set.
What is rises in the east and sets in the west?
400
This is why we see moon phases.
What is on half of the moon is always lit up, but we only see the part of the sunlit moon that faces the Earth?
400
The Earth has seasons primarily because of these two reasons.
What is the tilt of the axis allows for different hours of daylight and different angles of the sun hitting different parts of the Earth. The longer the day and more direct sunlight the greater the heating of the Earth's surface.
400
These two factors keep the moon in orbit around the Earth.
What is gravity and inertia?
400
When the sun, moon, and Earth are in nearly a straight line causing the greatest gravitational pull, or the greatest difference between high and low tide we call it this.
What is spring tide?
500
When the moon is directly between the sun and the Earth, and is directly in line with the sun.
What is a solar eclipse?
500
This is how much time it takes the moon to complete one rotation and one revolution around the Earth.
What is 29.5 days?
500
This is why North America experiences summer.
What is the Northern Hemisphere faces toward the sun during the summer creating longer hours of daylight and more direct rays of the sun; these factors increase the average daily temperature for the Northern Hemisphere.?
500
This is Newton's first law of motion.
What is an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force?
500
The neap tide is caused when this happens.
What is the sun, moon, and Earth are basically at a right angle, which causes the least difference between high and low tides.