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Other Sciences
6th
grade
NEW - Air pressure and density in the atmosphere
28 questions
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- 1. Multiple Choice
This is the weight or force of the atmosphere pressing down on Earth's surface
Air Pressure
Density
- 2. Multiple Choice
A device that is used to measure atmospheric pressure is a ___________.
barometer
thermometer
kilometer
micrometer
- 3. Multiple Choice
Air pressure is greater _______.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
- 4. Multiple Choice
What happens to air pressure as you move upward into the atmosphere?
air pressure increases
air pressure decreases
air pressure stays the same
- 5. Multiple Choice
This is how compact molecules are in a solid liquid or gas
Air Pressure
Density
- 6. Multiple ChoiceDensity of air is greater ________.at the top of the mountainat the bottom of the mountainat the center of the mountain
- 7. Multiple Choice
What is altitude?
how much something weighs
the distance above sea level - the distance above Earth's Surface
how big something is
- 8. Multiple Choice
What happens to the amount of oxygen molecules as altitude increases?
fewer molecules
more molecules
same amount of molecules
nothing happens to the molecules
- 9. Multiple Choice
The movement of air caused by a difference in air pressure is called..
Rain
Wind
Air
- 10. Multiple Choice
Cold air is more_____ than warm air
Dense
Stale
Colorful
- 11. Multiple Choice
A low pressure system usually causes
Clearing Weather - sun
Lousy Weather - clouds
Fair Weather - dry and clear skies
- 12. Multiple Choice
Air pressure decreases as what increases
Water Vapor
Altitude
Radiation
- 13. Multiple Choice
As the air is warmed how does it density change?
It increases and skins
It Remains the same
It decreases and rises
- 14. Multiple Choice
What is caused by differences in air pressure?
Time
Precipitation
Clouds
Wind
- 15. Multiple Choice
The ________ the difference in pressure, the __________ the wind speed.
greater, slower
less, faster
greater, faster
- 16. Multiple Choice
What causes differences in air pressure?
Coriolis effect - Earth's Spin
The rain amount
solar radiation - uneven heating of Earth
- 17. Multiple Choice
_______ pressure systems are characterized by clear, sunny skies
High
Low
- 18. Multiple Choice
_______ pressure systems are characterized by cloudy, rainy weather.
High
Low
- 19. Multiple Choice
Which of the following is FALSE about air pressure and density?
When the air pressure increases, nice or fair weather is on it's way
A change in air pressure means a change in the weather is on its way.
When the air pressure decreases, lousy or stormy weather is on its way
When the air pressure increases, lousy weather is on its way.
If the air pressure remains the same, so does the weather.
- 20. Multiple Choice
When air moves from areas of high pressure to low pressure at Earth's surface, the effect is
Wind
Rain
Snow
- 21. Multiple Choice
As we travel UP a mountain, the elevation increases and our ears begin to pop because
The outside air pressure decreases as we go up in elevation and our ears try to release pressure.
The outside air pressure is increasing as we go up in elevation and our ears are gaining pressure.
- 22. Multiple Choice
When air is warmed, it becomes less dense and rises, this creates
A region of low pressure and lousy weather
A region of high pressure and happy weather
- 23. Multiple Choice
Cooler, denser air sinks and creates
A region of low pressure and lousy weather
A region of high pressure and happy weather
- 24. Multiple Choice
A high pressure system has the following characteristics.
Clouds and possible storms
Sunny, clear skies
- 25. Multiple Choice
A low pressure system has the following characteristics.
Clouds and possible storms
Sunny, clear skies
- 26. Multiple Choice
In August 2017, Hurricane Harvey struck the Gulf of Mexico and Texas with an air pressure of 937 millibars (27.67 inches of mercury). What is true about hurricanes and the air pressure?
A hurricane is a high pressure system
A hurricane is a low pressure system
A hurricane is an average pressure system
- 27. Multiple Choice
The air pressure has been rising for the last several days. What is likely true about the weather.
The weather is getting nicer/sunny and clear
The weather is getting lousier/cloudy and a storm is on its way.
The temperature is getting much hotter
- 28. Multiple Choice
Assess it station: What is true about two cities that are on the same isobar line on a weather map?
They will have the same temperature
They will have different temperatures
They will have the same air pressure
They will have different air pressures.
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