Water found in rivers, lakes, glaciers, and ice sheets and underground and contains low concentration of salt
Vocab for 100
True or false
The water cycle has a starting and ending point?
Hydrologic Cycle for 100
Where does Earth's largest supply of fresh water come from?
Water Sources for 100
All the resources a human consumes and all of the waste created and left behind is known as–
Human Footprint for 100
Where all energy for earth's systems originates.
Science Review for 100
The layer of gas surrounding the earth that is held in place by gravity
Vocab for 200
Rain, snow, sleet, and hail are all forms of what step of the water cycle?
Hydrologic Cycle for 200
What percentage of the earths water is salt water?
Water Sources for 200
Human Footprint for 200
Name the 3 things plants need to survive.
Science Review for 200
All the plants found in a particular area
The step in the water cycle where water vapor cools and forms back into droplets.
Hydrologic Cycle for 300
Where is the easiest place for us to get fresh water to drink?
Water Sources for 300
True or false
The earth's four spheres all act independently of each other.
Human Footprint for 300
A change where you mix two substances and create a third, new substance is called...
The entire body of saltwater that covers about 71% of the earth
Vocab for 400
The Sun's heat causes water to change into water vapor in which step of the water cycle?
Hydrologic Cycle for 400
True or false
Overwatering your lawn doesn't harm the environment because that water becomes groundwater.
Water Sources for 400
How does turning off the water while you brush your teeth help the earth?
Human Footprint for 400
The characteristics used to describe and identify substances (ex, color, size, shape).
Science Review for 400
Actions by one thing that have an effect on a different or separate thing
Vocab for 500
What forms when water condenses in the atmosphere?
Hydrologic Cycle for 500
What percentage of the freshwater on earth is considered groundwater?
Water Sources for 500
The science and business of cultivating soil, producing crops, and raising livestock is called...
Human Footprint for 500
Animals that eat other plants or animals are called...
Science Review for 500