Density
Atmosphere
Temperature
Miscellaneous
Weather
100
What is the mass? Density = 6 g/ml Volume = 42 ml
252 g
100
What is a sea breeze?
type of wind that blows from the ocean to the land
100
20°C is equal to ____________________ºK.
293 K
100
Liquids resistance to flow
What is Viscosity
100
a front
What is the boundary between cold and warm air masses?
200
What is the density? Mass = 12 grams Volume = 20 ml
240 g/ml ^3
200
What is a land breeze?
type of wind that blows from the land to the ocean
200
Heat always moves from __ objects to __ objects
Warmer; cooler
200
energy of motion
What is kinetic energy?
200
lines connecting equal points of atmospheric pressure
What are isobars?
300
What is the volume?Mass = 18 grams Density = 12 g/ml
1.5 ml
300
What causes a sea and land breeze?
the land heats and cools more quickly than the wate
300
What is 77°F converted to °C?
25°C
300
newtons is the unit of ___
What is the unit of force?
300
lines that connect equal points of temperature
What are isotherms?
400
Why is a cork able to float on water?
Because it is less dense than water
400
Coriolis effect
causes earth's rotation?
400
What a material does when heated
What is contraction
400
The freezing point of a substance is ____ the melting point of the same substance. A. Equal to B. Less than C. More than D. Unrelated to
A. Equal to
400
What is the current dew point temperature at the station shown?
31°C
500
A dealer who buys used jewelry wants to know if an item being offered for sale is pure gold or a mixture of metals. If the item has a mass of 92.6 g and displaces 4.8 cm3 of water, is the item pure gold? (The density of pure 24 karat gold is 19.3 g/cm3.)
Because 92.6 g/4.8 cm3 is 19.3 g/cm3, the item is pure gold.
500
this layer helps protect us from harmful UV rays
What is the ozone layer?
500
harms the ozone by blocking UV rays
How do CFC's (chlorofluorocarbons) affect the ozone?
500
The car on the hydraulic lift in Figure 22-2 has a weight of 16,170 N. Piston B has a surface area of 5,005 cm3; piston A has an area of 65 cm3. What force must be applied to piston A to lift the car?
65 cm3/5,005 cm3 = 210 N
500
How much barometric pressure has changed in the last 3 hours?
-1.3 milibars
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