Show:
Earth and Moon
Planets
Natural Forces
Change
Cycles
100
An impact mark left by a collision between the moon and another object.
What is a crater?
100
The largest planet in the solar system.
What is Jupiter?
100
Caldera, shield, and cinder cone are types of these.
What is a volcano?
100
The large land mass believed to exist before the continents began drifting apart.
What is Pangaea?
100
These energy sources release carbon dioxide into the air when burned.
What are fossil fuels?
200
The length of time the moon takes to orbit the earth one time.
What is 28 days?
200
The sun is made up primarily of this element.
What is hydrogen?
200
This storm can bring wind speeds of up to 156 mph and cause widespread destruction.
What is a hurricane?
200
The process by which sediments are dropped in a new place and build up over time.
What is deposition?
200
The process by which bacteria in the soil make usable nitrogen compounds.
What is nitrogen fixation?
300
A feature of the earth causing weather and change that is not found on the moon.
What is atmosphere?
300
This planet rotates "sideways" on its axis.
What is Uranus?
300
These natural disasters are caused by the movement of plates in the earth's crust.
What is an earthquake?
300
These landforms are created when two plates collide.
What are mountains?
300
Water that does not evaporate or sink below ground, but moves above ground toward a body of water.
What is runoff?
400
A change in sea level due to the moon's gravity.
What is a tide?
400
The fourth planet from the sun.
What is Mars?
400
These storms have extremely strong winds (up to 500 km/hr) but strike a much smaller area than a hurricane.
What is a tornado?
400
The theory that explains how parts of earth's crust have moved over time.
What is plate tectonics?
400
This type of rock is created when eroded sediments (pieces of rock) are squeezed together under extreme pressure.
What is sedimentary rock?
500
A moon that is "growing," or showing more of the lit side, each night.
What is a waxing moon?
500
These planets are smaller and have cores made of rock and metal.
What are the inner planets?
500
This natural force wears down the land very slowly, and carries sediments as it moves.
What is a glacier?
500
Rock that forms from magma.
What is igneous rock?
500
The point on earth's surface directly above the location of an earthquake.
What is the epicenter?