Do you know how long a foot is?. How big is a foot? How do you know that it is that Big?

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Do you know how long a foot is?

Presentation transcript:

Do you know how long a foot is?

How big is a foot? How do you know that it is that Big?

A foot is 30.5 centimeters. A foot is 3.05 decimeters.

There are many ways to measure a foot…but in science we use SI units International System of Units also know as the metric system.

What unit is used to measure length - liquid volume - mass – temperature -

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What unit is used to measure length - meter liquid volume - liter mass – temperature -

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Use different size units for different quantities. milliliters kiloliters

1,000 kilo 100 hecto 10 deca 1 (base unit) meter, liter,or gram 1/10 deci 1/100 centi 1/1000 milli When going from a large unit to a small unit the decimal point moves to the right (this gives you a larger number). Measurement – Converting from one unit to another When going from a small unit to a large unit the decimal point moves left (this gives you a smaller number). Example: 1000 m = 1 km Example: 1 km = 1000 m K angaroos H op D own U nder D oing C ute M oves K H D U D C M

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