Final Review Flashcards
(46 cards)
The density of a block that has a volume of 5.0 cm³ and a mass of 30.0 g
6.0 g/cm³
5 x 20 x 10=
1000.0 cm³
As you move up in elevation, air pressure…
decreases
What happens to the density of an object if you cut the object in half?
doesn’t change
Hot air…
rises because its less dense
On which date does North America receive the most amount of sunlight?
June 21
As pollution in the air increases, the amount of sunlight will…
decrease
Why is the ozone layer important?
It blocks UV rays
What is the major source of energy for the Earth’s surface?
The Sun
when the water is heated, it rises. why does the water rise?
convection
becomes less dense
the energy that allows the water cycle to occur comes from the…
the sun
how does moisture enter the atmosphere?
evaporation and transpiration
when you see water forming on the outside of a cold glass of water, what process occured?
condensation
what are the most abundant gases in the atmosphere?
nitrogen and oxygen
what usually increases before precipitation occurs?
humidity
types of precipitation:
rain, snow, sleet, and hail
what does an anemometer measure?
wind speed
what does a wind vane measure?
wind direction
what does a thermometer measure?
temperature
what does a barometer measure?
air pressure
wind is a caused by a difference in…
air pressure
how does air move in a high-pressure system?
air descends and flows outward
what kind of weather do high pressure systems bring?
clean, dry, and fair weather
if air pressure is falling, what change in weather could you expect?
clouds, wind, and precipitation
