I heard you like math...
Express 7586 in scientific notation.
7.586 x 10^3
All living things on Earth...
Biosphere.
78% of the atmosphere contains this...
Nitrogen.
45830 - how many sig. figs.?
4
50 degrees Celsius in Kelvin is...?
323 K
Express 0.0053 in scientific notation.
5.3 x 10^-3
Earth's solid, rocky surface.
Geosphere/Lithosphere.
21% of the atmosphere contains this...
Oxygen.
0.00003 - how many sig. figs.?
1
500 K in degrees Celsius is...?
227 degrees Celsius
Express 1000 + 2500 + 300, in scientific notation.
3.8 x 10^3
Earth's oceans, lakes, rivers...
Hydrosphere.
What is meant by "trace gases" in the atmosphere?
Gases that occur in small, almost negligible amounts in the atmosphere.
0.0503 - how many sig. figs.?
3
1.0202020 - how many sig. figs.?
8
Express 0.05 + 0.04 - 0.02 in scientific notation.
7 x 10^-2
Earth's ice, icebergs, ice shelves, etc.
Cryosphere.
Name two examples of trace gases found in Earth's atmosphere.
CO2, H2O, CH4, etc.
5.2304 - how many sig. figs.?
5
Oceanography, Meteorology, Geology, Environmental Science - these are all examples of what?
Branches of Earth Science.
Express 100 x 200 in scientific notation.
2 x 10^4
The mixture of gases that surrounds Earth.
Atmosphere.
97.5% of water on Earth is...
Saltwater.
1.000035 - how many sig. figs.?
7
What is oceanography?
The branch of Earth Science that studies the physical and biological phenomena of the seas.