Show:
plants and animals
earth's landforms
weather and climates
forces and motion
miscellaneous
100
an organism that gets energy by breaking down nutrients in dead organisms
What is decomposer
100
flat lands near a river formed by deposition during floods
What is flood plain
100
an area where two air masses meet
What is precipitation
100
a push or pull on an object
What is force
100
a resource or environmental factor that limits the size of a population
What is a limiting factor
200
the clearing of forest lands
What is deforestation
200
a picture that shows the features and details of an area
What is a map
200
the amount of water vapor in the air
What is humidity
200
the force that acts on an object to stop its motion
What is friction
200
the cycle in which nitrogen moves through the environment and living things
What is the nitrogen cycle
300
a group of living things and their non living environment
What is ecosystem
300
a looping change of direction in a river or stream
What is meander
300
the movement of air caused by cool air sinking and moving down the slope of a mountain.
What is mountain breeze
300
the force that pulls things toward Earth
What is gravity
300
a consumer that eats both plants and animals
What is an omnivore
400
the path of energy as it flows from one organism to the next
What is food chains
400
a representation that shows the workings of an object or system
What is model
400
any form of water that falls from the sky
What is a front
400
a slanted surface
What is inclined plane
400
a long depression in Earth's surface that usually contains a river
What is a valley
500
a diagram of several connected food chains
What is a food web
500
the degree of change in elevation over a length of land
What is slope
500
the area in which a warm air mass and a cold air mass meet, but neither of them has enough energy to push against each other
What is stationary front
500
the tendency of an object to remain at rest or in motion unless it is acted on by a force
What is inertia
500
the product of the mass and velocity of an object
What is momentum