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Measurement facts for kids

Kids Encyclopedia Facts
Measuring Tape Inch+CM
A typical tape measure with both Metric and Imperial units and two US pennies for comparison
FourMetricInstruments
Four measuring devices having metric calibrations
CarpentersRule
A 2-metre carpenter's ruler

Measuring means finding out how much of something there is. When you measure, you give a number to a certain feature of an object. This number shows the amount of that feature. You can write measurements using many different units.

What Can We Measure?

Many different things can be measured. Here are some common features of objects that we can measure:

Measuring Distance

Measuring Tape Inch+CM
A typical tape measure with both Metric and Imperial units.

Distance tells us how far apart things are or how long something is.

  • How far is your city from another?
  • How long is a stick?
  • How far apart are two trees?

Measuring Weight

Weight tells us how heavy something is.

  • Which is heavier, a group of apples or a group of bananas?
  • Did someone lose weight recently?
  • Will putting a rock in a boat make it sink?

Measuring Temperature

Temperature tells us how hot or cold something is.

  • Is it hotter today in London or in Paris?
  • Will ice turn into water if it gets warmer?
  • Does someone have a fever?

Measuring Volume

Volume tells us how much space something takes up, or how much liquid a container can hold.

  • How many pails of water do you need to fill a bathtub?
  • How much olive oil should you add to a recipe?
  • How many blocks can fit inside a box?

Measuring Pressure

Pressure tells us how much force is pushing on a certain area.

  • How much air should you put in a car tire?
  • Will the weather stay good or will a storm arrive?
  • Will your ears pop when you climb a tall hill?

You can measure many other things too!

Understanding Units of Measurement

Most features are measured using a number and a unit of measurement. A unit of measurement is a standard amount. The number shows how many times that standard amount fits into the thing you are measuring. For example, if a tree is ten times taller than a meter stick, it is 10 meters tall.

Related Topics

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See also

Kids robot.svg In Spanish: Medición para niños

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