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**anything that takes up space and has mass**

What is matter? anything that takes up space and has mass matter is made of atoms mass – the amount of matter in an object If the object has even one atom it has a very tiny mass. If it has a lot of atoms, it has a larger mass.

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What is not matter? What is matter?

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**Matter can be measured with different systems**

Many countries had their own systems of measurement Eventually almost all countries began using the same system of measurement: the metric system

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**In science, however, we use the metric system!**

Only one country in the world doesn’t use the metric system as it’s national system of measurement: The United States of America We use the English System as our national system of measurement In science, however, we use the metric system!

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**The metric system was created in France**

It is also called Systeme International d’Unites or the International System of Units Units of the metric system are called SI Units

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How is matter measured? length – the distance from one point to another English units: inches, feet, yards, miles SI base unit: meter (m) volume – the amount of space an object takes up English units: teaspoon, cup, pint, quart, gallon SI base unit: liter (L) *capital mass – the amount of matter in an object English units: ounces, pounds, tons SI base unit: gram (g)

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**Metric Conversion Stair Step Method**

If you move down, the number gets bigger (multiplied). Move the decimal to the right. kilo- (k) 1,000 hecto- (h) 100 deka- (da) 10 BASE lengthmeter (m) volumeLiter (L) mass gram (g) deci- (d) .1 or 1/10 If you move up, the number gets smaller (divided). Move the decimal to the left. centi- (c) or 1/100 milli- (m) or 1/1000

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**mass vs. weight mass is the amount of matter in an object**

weight is a measure of the force of gravity acting on an object Do you weigh the same on the earth and the moon?

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