Weather and Climate
The most abundant gas in Earth's atmosphere.
What is nitrogen?
This is the term for the amount of salt in water.
What is salinity?
The universe is about this old.
What is 14 billion years?
This is a small icy object that orbits the sun.
What is a comet?
These are 2 examples of renewable resources.
What are solar, wind, water/hydro, biomass, or geothermal resources?
This layer of the atmosphere is the least dense.
What is the exosphere?
Surface currents and wind currents have this in common.
What is the direction they move?
A cloud of dust and gas in space as known as this.
What is a nebula?
This is why the moon appears to shine its own light.
What is it reflects the sunlight?
These are 2 examples of nonrenewable resources.
What are coal, oil/petroleum, and/or natural gas?
Tropical continental air in the summer can be described this way.
What is hot and sunny?
Deepwater currents are caused by these two things.
What are temperature and salinity?
When two masses move closer together, this happens to their gravitational attraction.
What is it increases?
This is the space mission that visited the moon several times.
What is Apollo?
This country has more coal reserves than any other country.
What is the United States?
High pressure systems usually cause this kind of weather.
What is clear and dry weather?
Water particles in waves have this kind of motion.
What is circular motion?
These 3 planets have elliptical orbits around the sun.
What are Earth, Jupiter, and Mars?
The mission of Europa Clipper is to study a moon of this planet.
What is Jupiter?
This gas is produced by burning coal.
What is carbon dioxide?
This kind of weather front causes rain over the same area for several days.
What is a stationary front?
This kind of weather causes the largest waves.
What is strong winds over a long period of time with a long fetch.
This causes seasons on Earth.
What is the tilt of Earth on its axis?
This is an orbiting spacecraft where astronauts can live and work.
What is a space station?
These are the 3 R's.
What are Reduce, Reuse, Recycle?