Eat Your Greens
What sugar do plants make during photosynthesis?
Glucose
What percentage of Earth's surface is covered by water?
About 71%
What is the hydrosphere?
All the water on Earth—liquid, solid, and gas
What is the movement of water over land called?
Runoff
What process allows plants to create their food?
Photosynthesis
What gas enters a plant’s leaves for photosynthesis?
Carbon Dioxide
What percentage of Earth's water is freshwater?
About 3%
What are the two categories we classify water from the Hydrosphere?
Freshwater and saltwater
What is a watershed?
An area of land where all water drains into the same body of water
What are the two parts of a chemical equation?
Products and Reactants
What is the main source of energy that drives photosynthesis?
The Sun
What percentage of water is found beneath the Earth's surface?
About 30% of freshwater
What nickname do we give Earth?
The Blue Planet
What best describes how water moves in a landscape?
It flows downhill and collects in low areas
What scientist helped discover photosynthesis?
Joseph Priestly
What green pigment captures light energy?
Chlorophyll
Where is most of Earth's freshwater stored?
In glaciers and ice caps
What type of water contains less than 0.2% salinity?
Freshwater
What process helps replenish groundwater?
Precipitation
What organism allowed for the atmosphere to be formed when Earth was 2.3 billion years old?
Cyanobacteria
What are the two cycles of photosynthesis called?
The Light Dependent and the Light Independent (Dark Cycle)
What type of water is a mixture of freshwater and seawater?
Brackish water
What is the average salinity of seawater?
About 3.5%
What happens to the water table during a drought?
It drops or lowers
What chemical is split during photosynthesis?
Water