Cuestionario sobre Medidas y Unidades

What unit of measurement is used to measure mass?

• Seconds

• Meters

• Kilograms

• Degrees

What instrument will you use to measure time?

• Measuring tape

• Temperature

• Stopwatch

• Scale

What instrument would a doctor use to measure a baby's weight?

• Stopwatch

• Measuring tape

• Scale

• Thermometer

Select the false statement about fundamental quantities.

• They depend on each other or are a mixture of others.

• They are regulated by the SI.

• They do not depend on each other or are a mixture of others.

• They measure length, mass, and time.

What magnitude does the expression 10 km/h represent?

• Density

• Velocity

• Force

• Acceleration

What measure do you use for density?

• Mass x acceleration

• Kilogram/m³

• Kilogram/second

• Meter/second

Which of these expressions represents a measure of speed?

• 90 km/h

• 300 m²

• 78 g

• 500 N

What is true about derived quantities?

• They are smaller parts of the main units.

• They are based on fundamental quantities.

• They are numbers that can be broken down into simpler parts.

• They are measurements that help find the values of other quantities.

What is the unit used to measure the force exerted when pushing a car?

• Pascal

• Newton

• Density

• Current

What is the unit of measurement used for time in the SI?

• Days

• Seconds

• Years

• Months