How long does it take for the Earth to complete one rotation?
24 hours/ 1 day
100
What two factors does gravitational force rely on?
mass and distance
100
Name four objects that are a part of our solar system
The sun, planets, comets, asteroids, moons
100
What causes the seasons to change?
The tilt of the Earth
100
What do moon phases depend on?
The location of the moon in relationship to the Earth and the Sun
200
Why does the Sun appear to move across the sky during the day?
The Earth is rotating
200
True or False: There is gravity between your paper and the desk
True
200
Describe the difference between a circular orbit and an elliptical orbit
A circular orbit is in the shape of a circle and an elliptical orbit is in the shape of an oval.
200
How are winters in the Northern Hemisphere different from winters in the Southern Hemisphere?
Winters in the Northern Hemisphere occur at opposite times as winters in the Southern Hemisphere
200
Why does it seem as if the moon glows?
Because the moon reflects light from the Sun
300
If China is on the other side of the Earth, is it experiencing day or night right now?
Night
300
Do objects with more mass have more or less gravitational force? What kind of relationship is this?
More, direct
300
What object does our solar system revolve around?
The Sun
300
When does the most amount of solar radiation reach New York?
Summer
300
What is the difference between waxing and waning?
Waxing is when the apparent shape of the moon is getting larger and the moon is moving away from the Sun. Waning is when the apparent shape of the moon is getting smaller and the moon is moving towards the Sun.
400
Describe the difference between rotation and revolution
Rotation is when something spins around an axis. Revolution is when something moves around another object
400
Does an object that is closer in distance have more or less gravitational force? What kind of relationship is this?
less, indirect
400
What type of orbit does the Earth have?
A nearly circular orbit
400
When the North Pole is pointing towards the Sun, what season is it for the Northern Hemisphere?
Summer
400
True or False: The moon rotates on an axis
False
500
What is rotation
When something spins around an axis
500
Give two ways you would increase gravitational force
Increase mass, decrease distance
500
What is one difference between a comet and an asteroid?
Comets originate further way from the sun, comets have tails
500
When the North Pole is pointed towards the Sun, which season is it for the Southern Hemisphere?
Winter
500
During a solar eclipse, where is the moon in relationship to the Earth and Sun?
The moon is in between the Earth and the Sun so you see only a part of the Sun