Water Coverage
Density
Random
Ecosystems and Nutrients
Water Quality
100
The percentage of Earth's surface that is covered by water
What is 70%?
100
True or False: All Substances have the same density
What is false?
100
The atoms that make up a water molecule
What is H2O?
100
the diagram that shows how plants and animals are connected through eating and energy in an ecosystem 
What is a food web?
100
An area where freshwater from rivers meets saltwater from the ocean
What is an estuary?
200
The majority of freshwater on earth
What are glaciers?
200
The reason ice floats in water
What is Ice is less dense than water?
200
Organisms that rely on other organisms for energy and are not able to make their own food
What are consumers?
200
Elements that are non-living but part of the Biosphere
What is Abiotic?
200
Refers to the clarity of the water
What is Turbidity
300
The second most prevalent source of freshwater
What is groundwater?
300
Density causes this process to happen in our oceans, which affects our ocean's nutrients and oxygen levels
What is upwelling?
300
The process by which living things, like certain bacteria, make their own food using energy from chemicals instead of sunlight. This happens in dark places, like deep in the ocean
What is Chemosynthesis?
300
Organisms that make their own food
What is a producer?
300
The process in lakes that stirs up nutrients from the mixing of water with different densities
What is turnover?
400
a layer through which water cannot pass (for example, granite)
What is an impermeable layer?
400
The denser ocean between the high salinity Arctic Ocean and the Low salinity Indian Ocean
What is the Arctic Ocean?
400
The property of water that allows a fly to walk on top of the surface
What is surface tension?
400
an animal that eats herbivores, like a hawk that preys on rabbits, and is part of the food chain
Secondary Consumer
400
The primary cause of hypoxia in aquatic environments
What is pollution and/or agricultural runoff?
500
The zone found in an aquifer that has all the pores filled with water
What is the zone of saturation?
500
The tool used to measure the density of water
What is a hydrometer?
500
The difference between groundwater and an aquifer is that ground water is the water found __________ while an aquifer is a layer or rock that can store _______
What is underground/water?
500
Plankton that produce their own food
What are Phytoplankton?
500
Algal blooms that can deplete oxygen, harming fish and other organisms
What is Eutrophication?