A skydiver jumps from a place at 5,000 feet. When she releases her parachute, what force is acting up against the parachute?
air resistance
100
Which law does it refer to?
As you step forward out of a canoe, the canoe moves backwards.
Law 3
100
In order for condensation to occur
heat must be removed
100
Evaporation occurs when
heat is added to water
100
Cumulonimbus clouds may bring
tornadoes and thunderstorms
200
Which object has the most potential energy?
Rubber ball?
Bicycle?
Ruler?
Motorcycle?
motorcycle
200
What law does it refer to?
When you are standing up in a train, and the train suddenly stops, your body continues to move forward.
Law 1
200
Rising warm air transports thermal energy by
convection
200
What instrument is used to measure wind speed?
rain gauge?
weather vane?
barometer?
anemometer?
anemometer
200
In the weather maps, lines that connect areas that have the same air pressure are called
isobars
300
Which of the following is an example of instantaneous speed?
Calculating the car's speed going to Disney World?
Looking at the speedometer while driving?
A runner's speed during a 200m run?
Looking at the speedometer while driving
300
What does Newton's 1st Law of Motion state?
Object in motion stay in motion and an object at rest stays at rest unless a force is acting on it.
300
What is Energy from the sun travels to the Earth's surface through
radiation
300
What instrument is used to measure air pressure?
rain gauge?
weather vane?
barometer?
anemometer?
barometer
300
Winds curve around our planet because of the
Coriolis Effect
400
Which of the following is NOT a way in which friction can be decreased?
Adding wheels to the object?
Using oil on the object?
Adding sand to the surface?
Adding sand to the surface
400
What does Newton's 2nd Law of Motion state?
The amount of force needed to change the speed of an object depends on the mass of the object and the amount of acceleration needed.
ACCELERATED MOTION
400
Most air pollution is caused by
burning fossil fuels
400
High barometric pressure usually means ________ is on its way.
nice weather
400
An air mass that forms over the ocean is called
maritime
500
Two objects traveling at the same speed have different velocities if they
move in different DIRECTIONS
500
What does Newton's 3rd Law of Motion state?
For every action there is an opposite and equal reaction.
500
Chlorofluorocarbons, or CFCs, are the main cause of