Weather Instruments
A barometer measures air pressure.
True
Wind is caused by differences in air pressure.
Answer: True
The number of spins on an anemometer is inversely related to wind speed.
Answer: False
Bacteria slow down decomposition of organic matter during composting.
Answer: False
Weather instruments help scientists predict weather.
Answer: True
Which instrument measures wind speed?
A. Wind vane
B. Anemometer
C. Thermometer
B. Anemometer
What happens to cool air?
A. It rises
B. It sinks
C. It spreads out
Answer: B
What would MOST likely make your anemometer spin faster?
A. Stronger wind
B. Heavier cups
C. Shorter time
Answer: A
Which phase comes LAST in composting?
A. Cooling
B. Mesophilic
C. Thermophilic
Answer: A
Which tool would BEST help track a hurricane?
A. Satellite
B. Thermometer
C. Ruler
Answer: A
Which instrument measures humidity?
A. Barometer
B. Hygrometer
C. Rain gauge
B. Hygrometer
What is the MAIN cause of uneven heating on Earth?
A. Earth’s tilt
B. Ocean currents
C. Uneven sunlight hitting Earth
Answer: C
If two groups built different anemometers, why might their results be different?
A. Same wind conditions
B. Different designs
C. Same number of spins
Answer: B
What happens during the thermophilic phase?
A. Compost cools
B. No activity occurs
C. Temperature increases due to bacteria
Answer: C
Why do scientists use multiple weather instruments?
A. To reduce accuracy
B. To collect different types of data
C. To make experiments longer
Answer: B
Which of the following collect weather data from above Earth? (Select ALL that apply)
A. Satellite
B. Weather balloon
C. Thermometer
D. Doppler radar
Answer: A, B, D
Which of the following help create wind? (Select ALL that apply)
A. Warm air rising
B. Equal heating everywhere
C. Differences in air pressure
D. Cold air sinking
Answer: A, C, D
Which factors could impact your data accuracy? (Select ALL that apply)
A. Color of materials
B. Counting errors
C. Wind consistency
D. Cup size
Answer: B, C, D
Which are characteristics of the cooling phase? (Select ALL that apply)
A. Continued breakdown
B. High heat
C. Lower temperatures
D. Slower activity
Answer: A, C, D
Which tools measure atmospheric conditions? (Select ALL that apply)
A. Stopwatch
B. Hygrometer
C. Barometer
D. Anemometer
Answer: B, C, D
A dry and wet thermometer attached to a handle is called an ____________ ____________.
sling psychrometer
Wind moves from areas of ______ pressure to ______ pressure.
Answer: high to low
If the wind slows down, the number of spins will ________.
Answer: decrease
The first composting phase is called the __________ phase.
Answer: mesophilic
During the thermophilic phase, bacteria break down materials rapidly, causing the temperature to ________ and speeding up __________.
Answer: increase; decomposition