How much (percentage) of the Earth is actually covered in water?
70%
Clouds are made of what substance?
Water Vapor
How does rain in the atmosphere falling from the sky into the ocean affect the salinity of the ocean?
It doesn't
Plants and animals need to use fresh water, not salt water. How much of the earth's water is freshwater?
3%
When we wash our hands, we create Gray Water. What is the best use for gray water?
Watering plants
Where is two percent of the earth's water found, making it unusable?
Glaciers and groundwater
When making a cloud in a jar, where in the jar will the cloud form?
the top
What underwater structures contribute to the saltiness of the ocean?
Volcanoes and hydrothermal vents
How much of that freshwater is actually available for use?
1%
What is in dirty water that makes it so harmful to drink?
bacteria
Where is most of the available freshwater on Earth found?
Lakes
What do water particles bond to in the atmosphere in order to make a cloud?
Dust and dirt (remember the hairspray)
What is the process of removing salt from water called?
Desalination
When a mountain creates a rain shadow that causes a patch of land to become desert by blocking the plant-growing rainy weather, what two spheres are interacting?
Geosphere and Hydrosphere <or> Geosphere and Atmosphere.
What might still be in our water after passing through a bottle filter?
bacteria
What is the most common type of trash that ends up in our oceans?
Plastics (and microplastics)
Why did we not use boiling water when making a cloud in a jar?
We just needed it hot enough to simulate evaporation but not so hot we would burn ourselves.
When rain passes through soil and removes minerals like salt from it, carrying it away to the ocean, what do we call this process?
Erosion
When a horse drinks from a lake, what spheres are interacting?
Biosphere and hydrosphere
What kind of appliances should we use to reduce how much clean water is wasted?
newer appliances
Who is the greatest science teacher of all time? Ever. Period.
Peter Tabichi (a monk from Kenya)
What causes water vapor to condense into clouds?
Cooler temperatures at higher elevations (remember hot air rises, then cools in the upper atmosphere)
A desalination plant is an expensive and complex facility to remove salt from water. What is the biggest problem with a desalination plant?
It produces a lot of salt
When spray is created by a waterfall, what two spheres are interacting?
Hydrosphere and atmosphere
How can using mulch around trees help them have enough water?
Using mulch around them keeps water from being evaporated