Convection Currents
What word is associated with the movement of convection currents?
Circulation
If an object has a higher density than water, what will happen to it?
The object will sink
How many types of air masses are there in the US?
4
What instrument is used to measure air pressure?
A barometer
A name for an animal on top of the food chain.
Apex Predator
In which direction does the wind(convection currents) blow in our hemisphere?
What is the key factor in determining an objects density?
How tightly packed the molecules are
What happens to temperature and humidity as a cold front passes through?
Temperature and humidity will both drop
If the air pressure suddenly drops, what can you expect to happen?
Bad LOUSY weather
What are 3 out of the 4 spheres of Earth?
Hydrosphere, biosphere, geosphere, atmosphere
What are the two states of matter that we can see convection currents in?
Liquid and Gas
What are 2 ways that density in ocean water can increase?
Changes in air temp., and changes in salinity
This type of front is stalled and may cause rain to linger for days
Stationary Front
What do high pressure systems usually bring?
Clear skies and calm weather
Name an organelle that a plant cell has that an animal cell does not.
Cell Wall, Chloroplast
Provide an example of how you see convection currents in your house.
Attic = warm
Basement = Cold
Do objects that have the same the volume always have the same density? Explain
Teacher's Discretion
Which type of front affects the weather more quickly?
Which pressure system rotates clockwise?
High Pressure Systems
What is the equation for photosynthesis in word form?
Sunlight + Water + Carbon Dioxide ---> Glucose + Oxygen
What is the name of the phenomenon that causes water currents to not move in a straight line due to the Earth's rotation on its axis?
The Coriolis Effect
What are two differences between the molecules in cold air and warm air?
Molecules are more tightly compacted in cold air and are moving more slowly/ Molecules are less compacted in warm air and are moving more quickly
Explain how the four different fronts are shown on a weather map
Occluded - Purple SemiCircles and Trianges
Stationary - Blue Triangles and Red Semicircles
Warm - Red Semicircles
Cold - Blue Triangles
Why do your ears pop as you move up into the stratosphere?
There is less air pressure as you move up into the stratosphere, so your ears pop due to the lack of pressure on them
What does DNA stand for?
Deoxyribonucleic Acid