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WorksheetsStudy Guide - Weather & Water: Air & Atmosphere
Total questions: 60
Worksheet time: 45mins
How do you calculate density?
volume divided by mass
mass divided by volume
volume multiplied by mass
If you had three liquids: clear room temperature water, red hot water and blue cold water, which liquid would you expect to layer on the top?
clear water
red water
blue water
How does the density of water change when it is heated?
It is less dense.
It is more dense.
The density does not change.
What is one way to change the density of a liquid.
change the color of the liquid
add more liquid
change the temperature of the liquid.
Do the particles in warm water have more energy than the particles in cold water?
Yes
No
True/False
When thermal energy is added to a fluid, the particles increase in size.
True
False
Hot water is ______________ cold water.
less dense than
more dense than
the same density as
Which image shows what a convection current could look like?
Heat transfer by convection is caused by differences in what two things:
Thickness and material
Weight and electricity
Temperature and density
Which picture shows material that is more dense?
The picture of the left
The picture on the right
When do particles move faster?
In hot water
In cold water
Can convection currents occur in a solid?
No.
just in a liquid and gas.
Yes.
In a solid, liquid, and gas.
What is an example of a convection current?
Touching a hot spoon that was in a soup bowl.
Feeling the suns rays on a nice summer day.
Touching an iron skillet after cooking and feeling the heat.
Movement of gas in a hot air balloon.
Which model best explains what happens when the plunger is pushed down?
A - Particles get bigger.
B - Particles get smaller and stay near the bottom.
C - Particles are closer together.
D - Fewer particles remain.
What is happening to the water in the the straw when the jar is squeezed?
The water in the straw goes up because the air particles push on the bottle.
The water in the straw goes down because the water molecules are pushed by the air.
The water in the straw goes down because the air particles are pushed by the water.
The water in the straw goes up and down because water can be compressed.
When air is heated, its density ___________.
increases
decreases
remains the same
Which of the following correctly shows the direction of convection currents in water?
A
B
C
D
What causes wind?
differences in air pressure
differences in gravity
difference in oxygen
differences in the thermosphere
The weather layer of the atmosphere is ________.
mesosphere
stratosphere
thermosphere
troposphere
In which layer of the atmosphere do airplanes fly to avoid turbulence?
mesosphere
stratosphere
thermosphere
troposphere
It is the lowest layer of the atmosphere.
stratosphere
mesosphere
thermosphere
troposphere
The layer of the atmosphere from top to down are ________.
stratosphere, mesosphere, thermosphere, ionosphere
thermosphere, mesosphere, stratosphere, troposphere
thermosphere, stratosphere, mesosphere, troposphere
troposphere, mesosphere, thermosphere, stratosphere,
It is layer of the atmosphere where meteors burn up.
thermosphere
mesosphere
troposphere
stratosphere
In which layer do you live?
stratosphere
troposphere
mesosphere
thermosphere
What is the composition of the atmosphere?
70% nitrogen and 30% oxygen
79% nitrogen, 20% oxygen, and 1% other gases
20% nitrogen, 79% oxygen, 0.04% carbon dioxide, 0.03 other gases
none of the above
Where would there be more pressure?
on top of a roof of a tall building
sitting in this classroom
on top of a mountian
sitting in the top row of a stadium
As altitude increases, air pressure....
Increases
Decreases
Stays the same
Goes up and down
What layer of the atmosphere has the highest air pressure?
Troposphere
Stratosphere
Exosphere
Mesosphere
Density is...
how many particles there are
how heavy the particles are
how much space the particles take up
how close together the particles are to each other
how big the particles are
The movement of particles in a circle due to differences in density is called...
radiation
conduction
convection
currents
Convection happens in...
solids
liquids
gases
fluids
Cold air is _____ because the particles have_____
more dense;
more energy
more dense;
less energy
less dense;
less energy
less dense;
more energy
Convection will stop when____:
the temperatures are very different
the temperatures are a little different
the temperatures reach equilibrium
convection never stops
