Weather BrainPop Quarter 1
From the brainpops selected for first quarter I have choosen question you will need to know. If you score low use the brainpop video as a reteaching tool
Terms in this set (31)
What gas makes up the majority of the Earth's atmosphere?
What might happen if the Earth didn't have an atmosphere?
We wouldn't be able to breathe
Place the following atmospheric layers in sequence from lowest to highest.
Why is it difficult to breathe at high altitudes?
because atmospheric gases become thinner the higher you go
If you wanted to fly through a cloud, which atmospheric layer would you fly through?
Why is ozone important?
because it blocks harmful ultraviolet rays.
What is weather?
the state of the atmosphere at any particular time
Why is the temperature lower at night than during the day?
The temperature depends on energy from the sun
If it is a hot day outside, what can you conclude?
the air will be able to hold a lot of moisture
Why can't you see the water vapor in the air?
if exists as a clear colorless gas
Why does it tend to be cold at the Earth's poles?
they are further from the sun
What are the characteristics of a high-pressure system?
clear skies and sun
If the air is only holding 1/3 as much moisture as it can possibly hold, what is the relative humidity?
What causes warm air to rise?
The fact that it's less dense than cold air
What causes wind to blow?
differences in air temperature and pressure
Which term best describes how the Earth's atmosphere is heated?
What can you conclude about prevailing winds from their name?
they blow all the time
What creates the air pressure differences between the equator and the poles?
the amount of direct sunlight each area receives
Why does it often feel more humid during the summer than during the winter?
Hot air can hold more moisture than cold air
In what way are air molecules different during the summer than during the winter?
They move faster during the summer
How are winds in the northern hemisphere different than winds in the southern hemisphere?
Winds in the northern hemisphere are deflected right and winds in the southern hemisphere are deflected to the left
If you wanted to find the jet stream where would you go
10 km above the Earth's surface
How does the jet stream influence the weather?
by moving weather from one area to another very quickly
If many water molecules in the atmosphere begin condensing what's the most likely result?
it will begin raining
You have a glass of ice water outside on a hot day. A layer of water forms on the outside of the glass. Where does this water come from?
What happens when the air temperature drops below the dew point?
water in the air begins condensing
Relative humidity depends entirely on
how much moisture there is in the air on a given day
Which environment will probably have the lowest relative humidity?
What do tornadoes and hurricanes have in common?
they both involve strong winds
What's the biggest danger posed by thunderstorms?
being struck by lightening
Hurricanes, thunderstorms, and blizzards are all meteorological disasters. What does "meterological mean"?
related to weather
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