This kind of matter keeps it shape
solid
This cycle describes how a common liquid moves through Earth's surface and air
water cycle
97% of water on Earth is _____ water
salt
A model that shows how energy flows from one organism to another organism
food chain
Our first phenomenon was this popular breakfast food
Egg
This kind of matter expands to fill its container
gas
Water that falls to the ground as rain, hail, sleet, or snow
precipitation
All of the water, ice, and water vapor at or near Earth's surface
hydrosphere
All food chains start here
The Sun
A decomposer we like to eat
Mushrooms
The process of a liquid changing to a solid
freezing
Excess water that flows over Earth's surface to the oceans
runoff
The three R's for conserving resources
reduce, reuse, recycle
An organism that uses energy to make its own food
producer
A bridge for water
aqueduct
The process of a gas changing to a liquid
condensation
The continuous circulation of nitrogen from air to soil to organisms and back to air or soil
nitrogen cycle
The practice of using resources wisely
conservation
An organism that does not make its own food
consumer
A small bird you can find hunting for food at the beach
Sanderling
This controls the change in states of matter
temperature/energy
This cycle describes the movement of air between plants and animals
Most of the fresh water on Earth is in the form of ________ or ice caps at the North and South Poles
glaciers
A model that shows how food chains are connected
food web
An American National Park full of hot springs
Yellowstone