Any object in motion will remain in motion unless acted on by an outside force
What is Newton's First Law of Motion
100
This causes the Moon to be visible.
What is the Sun illuminating the Moon
100
In Investigation 1, the light bulb represented this.
What is the Sun
100
The center of our solar system
What is the Sun
200
This takes about 365 days to complete
What is a revolution of the Earth around the Sun
200
If you push a scooter in a straight line on a gym floor, this will happen to it.
What is movement in the direction of the force until another force acts on it.
200
The four main moon phases
What are What are the New Moon phase, Last Quarter phase, Full Moon phase, and First Quarter phase.
200
In Investigation 2, this many rotations of Earth on the stool = one quarter of the Lunar cycle
What is 7 spins
200
There are this many days in the Lunar Cycle
What is 28 days
300
This causes us to have night and day.
What is the rotation of the Earth on its axis
300
If gravity were suddenly turned off, this would cause the Earth to accelerate in a straight line, no longer in line with the orbit of the Sun.
What is the forward motion of the Earth.
300
When the Earth is between the Sun and the Moon, we see this moon phase from Earth.
What is the Full Moon phase.
300
In Investigations 3 and 4, this is one thing that may have caused our scooter to stop moving in a straight line
What is friction, the wall, the rope
300
He discovered that the planets revolve around the Sun, instead of the Earth.
Who is Copernicus
400
When the Northern Hemisphere experiences summer time, these are more direct .
What are the Sun's rays
400
The force that exists between all objects
What is gravity.
400
When the Moon is between the Sun and the Earth, we see this Moon phase.
What is the New Moon phase
400
In Investigation 4, we used flour and ping pong balls on strings to model the Earth's orbit around the Sun. When we let go of the ping pong ball, it moved in this type of path.
What is a straight line, tangent to the orbit around the Sun.
400
Newton has this many Laws of Motion
What is 3 Laws of Motion
500
The two factors that cause certain places on Earth to experience 4 distinct seasons
What are the tilt of the Earth on its axis and a change in the directness of the Sun's rays hitting the Earth.
500
The two things that cause the orbit of the planets around the Sun.
What are the forward motion of the Earth and the gravitational pull of the Sun.
500
This Moon phase occurs between the New Moon and the First Quarter Moon
What is the Waxing Gibbons Moon phase (or "God's Thumbnail")
500
If it is summer in the Northern Hemisphere, it is this season in the Southern Hemisphere.
What is Winter
500
This is the imaginary line that runs from the South Pole to the North Pole.