The Solar System
Sun, Earth, Moon
Stars
Properties of Planets & More About Earth
The Moon
Tides
100
The number of stars in our solar system
1
100
Earth's ____________:the reason that shadows change and that we have day and night
rotation
100
Ursa Major, Orion, and Canis Major are examples of these.
constellations
100
Earth has one. Jupiter has more than 80.
moon
100
When the moon is between the earth and the sun, and you can't see it.
New moon
100
This force, originating from the sun and moon, cause tides.
gravity
200
The number of planets in our solar system
8
200
It takes 365 days for the Earth to make one __________ around the sun.
revolution
200
Everything in space,including matter, energy, and galaxies.
universe
200
The force that keeps planets in their orbit. This force is also why planets are spheres.
gravity
200
When the moon kind of looks like an American
football.
gibbous
200
How many high tides and low tides occur each day?
2
300
The path that a planet follows as it makes its revolution around the sun
orbit
300
The sun, earth, and moon are a group of parts that work together. As such, they are a ______________.
system
300
A collection of stars and their solar systems in the universe
galaxy
300
This invisible line divides the northern and southern hemispheres.
equator
300
When the moon appears bigger it is _________.
waxing
300
This is the weak high tide that occurs when the moon is at a 90 degree angle from the sun, relative to the earth.
Neap tide
400
A planet or sphere rotates on this invisible line.
axis
400
Approximately how many months does it take the moon to make one revolution around the earth?
1
400
The star in our solar system.
the sun
400
The earth is __________ on its axis. This is why it's summer in Albany, NY when it's winter in Buenos Aires, Argentina.
tilted
400
When the moon appears smaller it is ______________.
waning
400
When the sun, earth, and moon are aligned, the gravity of the moon and sun causes this type of tide. It is especially high.
Spring tide
500
Rocky bodies, smaller than planets, that orbit the sun
Asteroids
500
The Earth has two of these, one above the equator and one below the equator.
hemispheres
500
A small star may appear brighter than a large star. The reasons for this may include brightness and ______________.
distance
500
Planets are this shape.
sphere
500
This shape of the moon is a ____________.
crescent
500
Gravity from these two objects causes tides.
The sun and the moon