Show:
Water Cycle & Weather
Earth's Surface (1)
Earth's Surface (2)
Energy Resources
Space
100
Which process in the water cycle occurs when water absorbs heat energy?
Water changes into a gas
100
What causes a mountain to form?
Constructive forces
100
What kind of organic matter might you find in soil?
Decaying plants
100
Wind is an example of what kind of energy resource?
inexhaustible
100
Why does the sun appear to move from east to west across the sky?
Earth rotates on its axis
200
What would increase the rate at which condensation occurs?
Add an ice cube
200
What change on Earth's surface occurs over millions of year?
A mountain forms from flatland
200
How can a volcano be a source of pollution?
It can release ash and dust into the air
200
Why is geothermal energy considered to be inexhaustible?
It is constantly being formed
200
The inner planets of the solar system are made up of what?
rock
300
What are the terms over the water cycle?
evaporation, condensation, precipitation, and accumulation
300
How are rocks identified?
texture, color, and the minerals in contains
300
Which is an example of water causing erosion?
Runoff from rain carries sand and soil into a river
300
Uranium is what type of energy resource and why?
Nonrenewable because it can eventually be used up
300
Why do most meteors never reach Earth's surface?
They burn up in Earth's atmosphere
400
Why are the tropical zones of Earth warmer than the polar zones?
They receive more direct sunlight
400
What is an example of water causing erosion?
Runoff from rain carries sand and soil into a river
400
What change on Earth occurs over millions of years?
A mountain forms from flat land?
400
What makes natural gas a nonrenewable resource?
It takes millions of years to form
400
What is a difference between the inner and outer planets?
The outer planets are larger than the inner planets
500
How does air pressure change as a person climbs to the top of a mountain?
It decrease
500
What is a way farmers prevent wind erosion to their fields?
Plant trees
500
How are rocks identified?
texture, color, and the minerals in contains
500
The energy on Earth's surface that allows evaporation to occur comes from where?
It is radiated from the sun
500
Why does the sun appear to move from east to west across the sky?
Earth rotates on it's axis