Team GB Arrive At Heathrow

What is the primary unit of time measurement discussed in the video?

• Minute

• Hour

• Second

• Millisecond

How is a second defined in terms of atomic properties?

• By the flow of water

• By the movement of the sun

• By the vibration of cesium atoms

• By the rotation of the Earth

Which of the following is a common use of seconds in everyday life?

• Calculating weight

• Determining temperature

• Timing events

• Measuring distance

Why are seconds important in scientific research?

• They are irrelevant in scientific contexts

• They are used to calculate speed and velocity

• They help in measuring light intensity

• They determine the color of objects

What is the significance of a second in timekeeping devices?

• It is not used in timekeeping

• It determines the size of the device

• It is the base unit for all time calculations

• It is used to measure volume