Weather Instruments

What does a barometer measure?

• Wind speed

• Atmospheric pressure

• Temperature

• Rainfall

How is rain measured using a rain gauge?

• By the sound of raindrops hitting the instrument

• By the weight of the water collected

• By the depth of water collected in a container

• By the change in temperature when it rains

What is the primary purpose of a weather balloon?

• To measure wind speed at different altitudes

• To collect atmospheric pressure data at ground level

• To carry instruments into the atmosphere to collect weather data

• To predict rainfall

Tags

NGSS.MS-ESS2-5

How does an anemometer measure wind speed?

• By measuring the temperature of the wind

• By collecting air in a container and weighing it

• By the rotation speed of cups or vanes

• By the sound of the wind

What does a thermometer measure?

• Wind direction

• Atmospheric pressure

• Temperature

• Humidity

Tags

NGSS.MS-PS1-4

Which unit is commonly used to report atmospheric pressure readings from a barometer?

• Celsius

• Miles per hour

• Millimeters of mercury (mmHg)

• Liters

What type of data can NOT be collected by a weather balloon?

• Temperature at various altitudes

• Atmospheric pressure at various altitudes

• Wind speed at ground level

• Humidity levels at various altitudes

Tags

NGSS.MS-ESS2-5

How often should a rain gauge be checked to ensure accurate rainfall measurements?

• Once a week

• After every rain event

• Once a month

• Twice a day

What is the principle behind the operation of a mercury barometer?

• The height of mercury changes with temperature.

• The height of mercury changes with atmospheric pressure.

• The weight of mercury measures the amount of rainfall.

• The color of mercury changes with humidity.

Why is it important to place a thermometer in a shaded area to measure air temperature?

• To prevent it from getting wet

• To ensure it does not measure the temperature of direct sunlight

• To protect it from wind

• To make it easier to read