What is the moon called where we see no part reflecting light?
New Moon
100
Seasons are caused by ______ & _______.
Tilt and Revolution
100
How many stars are in our solar system?
1
200
What are the Outer Planets
Jupiter, Saturn, Uranus, Neptune
200
Define a revolution, and how long is it?
One orbit around another object, 1 year
200
When the moon is increasing in size, what is it called?
Waxing
200
If the northern hemisphere receiving some sunlight, but is losing sunlight, which season is it in?
Fall
200
If an planet doesn't have any gravity, any object on it wouldn't have ____________.
weight
300
What are the Terrestrial Planets
inner planets
300
Define a rotation and how long is it?
A full circle around the axis, 1 day
300
When the moon is decreasing in size, what is it called?
Waning
300
How does our axis change while we revolve around the sun?
Stays at the same angle pointed in the same direction.
300
How was our moon formed?
When an asteroid hit the Earth and broke off chunks. The chunks came together and formed the moon.
400
What determines how much gravity an object/planet has?
The mass
400
How large are the asteroids in the asteroid belt?
1/20th the moon
or
up to 623 miles
400
How much of the moon is getting sun light at all times?
1/2
400
What would happen if the earth had no tilt?
We wouldn't have seasons
400
What is a meteor?
A large space rock that hits the Earth's surface
500
Describe the gas giants.
They are made of extremely dense gas that is similar to the consistency of a liquid.
500
Where do comets come from?
Where do they go?
Come from the ort cloud
Elliptical orbit through solar system
500
When we see a full moon, how much of the moon are we actually seeing?
1/2
500
If the southern hemisphere is getting some sunlight and is gaining sunlight, what season will the northern hemisphere be when the earth be in when it gets to the other side?
spring
500
What is the difference between weight and mass?
Weight is a force of gravity, mass is the density and matter in an object