Definitions
What is the force that attracts a body toward the center of the earth?
Gravity
Our sun is one of these.
A star.
Is the Earth mostly made up of land or water?
Water
True or False: The Earth's continents were once connected in a supercontinent called Pangaea?
True
In Nebraska, are we more likely to have a tornado, an earthquake, or a hurricane?
a tornado
What is the process called when a liquid turns into a gas?
Evaporation
Which planet is known as the "Red Planet"?
Mars
What is it called when the Earth shakes because tectonic plates hit together?
An earthquake
True or False: There are 15 oceans on the Earth.
False: There are 5 oceans
-Atlantic, Pacific, Indian, Arctic, and Southern (Antarctic)
What is it called when there is a natural electrical discharge where there is a bright flash from the clouds to the ground?
lightning
What is the process where plants take in sunlight, carbon dioxide, and water and make their own food?
Photosynthesis
Which planet is known for having rings?
Saturn
What is the outermost layer of the Earth called?
the crust
True or False: The Great Barrier Reef is the smallest coral reef system in the world.
False: it is the largest
What causes the tide in the ocean?
a) the sun
b) the moon
c) the stars
b) the moon
What is H2O? Two hydrogen atoms bonded with one oxygen atom?
Water
What is it called when the Moon partially or completely covers the Sun?
Solar Eclipse
What is the process of changing solid ice into liquid water called?
Melting
True or False: The Sahara Desert is the largest hot desert in the world
True
What is the freezing point of water?
32 degrees Fahrenheit
0 degrees Celsius
What is the resistance that happens when one surface runs against another? It often creates heat.
Friction
What galaxy do we live in?
The Milky Way Galaxy
What is the largest ocean on Earth?
The Pacific Ocean
True or False: all objects, regardless of their mass, fall at the same rate in a vacuum
True (there is no air resistence)
What is the boiling point of water?
212 degrees Fahrenheit
100 degrees Celsius