Weather
Ecosystems
Landforms
Force and motion
Simple Machine
100
feather-like clouds that usually bring fair weather, made mostly of ice crystals
What is a cirrus cloud
100
things in an ecosystem that are nonliving.
What is abiotic?
100
a valley with very steep sides.
What is a canyon?
100
a force that opposes, or acts against, motion when two surfaces rub against each other.
What is friction?
100
A machine with few or no moving parts to which only one force is applied.
What are simple machines?
200
the force of air molecules pressing on a surface
What is air pressure?
200
a wet northern forest with many cone-bearing trees.
What is a taiga?
200
flat land near a river formed by deposition during floods.
What is a flood plain?
200
any change in motion- can be speeding up, slowing down, change of direction.
what is acceleration?
200
The use of force to move an object over distance.
What is work?
300
the process where water changes from a liquid to a gas
What is evaporation?
300
the ways organisms interact in an ecosystem based on what they eat.
What is a food chain?
300
any substance that causes the environment to be unhealthy.
What is a pollutant?
300
the property that objects have that keep them doing what they are doing, moving or at rest.
What is inertia?
300
A slanted surface.
What is inclined plane?
400
water is evaporated by the sun, cooled and condensed into clouds, and falls as precipitation
What is the water cycle?
400
a behavior that an organism is born knowing- inherited behavior.
What is instinct?
400
a smaller river or stream that flows into a larger river or stream.
What is a tributary?
400
the energy of things in motion.
What is kinetic energy?
400
A wheel with a line around it.
What is a pulley?
500
water in gas form
What is water vapor?
500
an organism that can make its own food.
What is a producer?
500
the breaking down of rocks and soil by chemical and physical processes.
What is weathering?
500
stored energy in an object. (batteries, springs etc.)
What is potential energy?
500
The fixed point of a lever.
What is a fulcrum?
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