HUMAN IMPACT
Water stored underground in soil and rock.
What is groundwater?
The main energy source for ecosystems.
What is the Sun?
Indicates the number of atoms in a chemical formula.
What is a subscript?
Distance divided by time.
What is the formula for speed?
A natural object in space.
What is a celestial body?
Catching fish faster than they reproduce.
What is overfishing?
A triangular model showing decreasing energy.
What is an energy pyramid?
NaCl is this type of substance.
What is a compound?
They travelled 75 meters in 15 seconds.
What is 5 m/s?
Icy objects with glowing tails.
What are comets?
An area of land that drains all rainfall into a common, lower-elevation water body, such as a lake, river, or ocean.
What is watershed?
The trophic level with the least energy.
What are tertiary consumers?
The large number in front of a chemical formula.
What is a coefficient?
Speed increases if this decreases.
What is time?
A group of planets orbiting a star.
What is a solar system?
Type of runoff when fertilizers and pesticides seep through soil after heavy rain.
What is agricultural runoff?
Process of nutrients returning to soil.
What is decomposition?
The total atoms in Na2HCO3
What is seven?
They traveled 250 miles in 4 hours.
What is 62.5 mi/hr?
Small rocky objects that orbit the Sun.
What are asteroids?
Positive impact that humans create to restore marine habitats and increase biodiversity.
What are artificial reefs?
One is reused repeatedly and the other flows in one direction.
What is the difference between matter and energy?
4CO2 has this many oxygen atoms.
What is eight?
A train traveled a 300 km trip in 5 hours, stopped twice along the way, then completes 670 km in 8 hours resulting in this average speed rounded to the nearest hundredth.
What is 74.62 km/hr?
The distance from a star at which liquid water could exist on a planet's surface.
What is the habitable zone?