The Earth
Why is Earth called the blue planet?
Earth is often called the “Blue Planet” because of all the water on its surface.
Where does water always flow?
Downhill
How do you know by looking at a water test if water is healthy?
Look at each individual factor from the water test.
Are the Xs in the red, green, yellow areas?
What is the surface called that allows for infiltration?
Pervious
Is clear water always clean?
No
What percentage of the Earth is water?
71%
Does water in the water cycle only move in one on direction?
No, it moves in many directions
Name one way to improve water health
Pick up trash and avoid dumping waste into rivers.
plant trees
keep chemicals away
(other possible answers)
What is the surface called that causes runoff?
Impervious
What is the name of the small animals found in a stream?
Macroinvertebrates
What percentage of the water on Earth is salt water?
97%
Which is a better representation of the water cycle and why?
#2
It shows that water is everywhere and moves in many directions
What decreases water quality?
Waste, pollution, trash, runoff, etc
What type of surface is bad for our environment?
Impervious
What are some signs that water is unhealthy?
Cloudy/Dirty looking
Lack of macroinvertebrates
What percentage of the freshwater on Earth is frozen in the glaciers?
2.1%
Where in a river/stream is the water likely to be the cleanest?
The groundwater
If no nitrates are present in water, is the water healthy?
No
Name two types of conservation practices.
Porous Pavers
Rain Garden
Vegetation Infiltration Basin
Green Roof
No Till Agriculture
Cluster Housing
How can construction cause waterways to become polluted?
Dirt, chemicals, and waste might get into the river
What percentage of fresh water is left for us to use?
.9%
What will happen to a river at the bottom on a mountain if 20 new houses were built on the top of the mountain?
Pollution, waste, chemicals, trash, etc might get into the water
Why is groundwater the cleanest water?
It filters through all the types of surfaces until it gets to the bottom and is clean
Name two pervious and two impervious surfaces around Central Manor
Impervious: Sidewalk, parking lot, etc.
How can putting up many houses/buildings in an area increase runoff?
Rain will flow faster downhill from new buildings, potentially carrying more pollutants into the river.