random science
questions
questions
what is our air mainly made of
nitrogen
What percentage of the Earth's surface is covered by water?
Approximately 70%.
Do we still have the same amount of water 2 millions years ago???
yes/true
what temp does it have to freeze,write in Fahrenheit and Celsius.
32F and 0C or below
Which gas is the most abundant in Earth's atmosphere?
Nitrogen makes up about 78% of the atmosphere.
what is the center of a atom called
nucleus
Which gas do trees absorb from the atmosphere to make their food?
Carbon dioxide
what do we call water that is rising?
evaporation
I thunder and rain what am I
A storm/thunder storm
In which layer of the atmosphere does all weather occur?
troposphere
what planet is closest to the sun
Murcury
What is the name of the thin, outermost layer of solid rock that makes up the Earth's surface?
The crust
I can flow and run what am I.
run-off
I come when there are a lot of clouds
tornado
What is the primary function of the ozone layer, and in which atmospheric layer is it located?
The ozone layer's
what keeps planters in orbit
Gravity
which continent contains 70% of Earth's fresh water
Antarctica
I soak into the earth hidden from the sun what am I.
infiltration/groundwater
I come by wind and I am cold what am I
Blizzard
As altitude increases in the troposphere, what happens to the temperature and air pressure?
both temperature and air pressure decrease
what is the largest organ of the human body
skin
What are the four main layers of the Earth?
outer core, the mantle, and the crust.
I am silent promise of a coming storm what am I
condensation
what happens during high pressure put the opposite answer
precipitation/rain/snow/hail/sleet
Why don't the gases in the atmosphere simply separate out into distinct layers according to their mass, with the heaviest gases at the bottom?
gravity