This is the path of an object around another object in space.
ORBIT
How many high tides are there each day?
2
The layers of Earth are called:
Crust, Mantle, Outer Core, Inner Core
What are the two different groups of planets?
Rocky Planets and Gas Giants
Fresh water is _________ of years old.
Millions
The moon orbits Earth in this many days.
about 27
These tides occur every 24 hours.
Diurnal Tides
The center of Earth is ___________ degrees Fharenheit.
9,000-12,000
What separates the Rocky Planets and the Gas Giants?
Asteroid Belt
This is a series of flows of water between various water stores.
The Water Cycle
This man thought of gravity once an apple hit his head.
These three objects cause the tides on Earth.
These two metals make up the outer core.
Iron and Nickel
What are comets made of?
Icebergs and glaciers hold _____ of all the freshwater in the world.
2/3
This is a group of stars, gas, and dust bound together by gravity.
Galaxy
The moon exerts _____ times more energy on the tides than the sun.
2.2
This creates Earth's magnetic field.
The Outer Core
A small body of matter from outer space that enters Earth's atmosphere appearing as a streak of light.
Meteor
Explain evaporation.
It is when water turns into gas through heat.
This is the strongest force in all the universe.
Black Hole
Low tides are located ______ from the moon.
90 degrees
The mantle is ________ miles thick of puddy like ______ and ___________.
1,800 - iron - magnesium
The asteroid ______ is so large that it has its own moon named ________.
Ida - Dactyl
70%