Everyday Knowledge

Apply practical knowledge of common instruments, measurements, and units.

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Which instrument would you use to check whether someone has a fever?
- Thermometer
- Barometer
- Altimeter
- Speedometer
A magnetic compass helps a traveler determine what?
- Altitude
- Walking speed
- Air temperature
- Direction
Which device is designed to time a race accurately?
- Odometer
- Stopwatch
- Thermostat
- Caliper
Which optical instrument makes cells visible for study?
- Telescope
- Periscope
- Microscope
- Binoculars
Electric current is measured in which SI unit?
- Volt
- Ampere
- Ohm
- Watt
A sound wave repeats 440 times each second. What is its frequency?
- 440 decibels
- 440 metres
- 440 watts
- 440 hertz
Meteorologists use an anemometer to measure which weather variable?
- Wind speed
- Rainfall
- Air pressure
- Visibility
Which reading tells you how much water vapor is present in the air?
- Wind chill
- Atmospheric pressure
- Humidity
- UV index
A seismometer records which physical quantity during an earthquake?
- Ocean depth
- Ground motion
- Magnetic declination
- Atmospheric humidity
Which SI base unit measures luminous intensity in a specified direction?
- Lumen
- Lux
- Watt
- Candela