1. Metric System The metric system (SI) is an international system of measurement that is based on units of 10.

2. Matter Anything that has mass and takes up space. All the “stuff” around you is matter.

3. Volume MeasurementToolsUnits Volume- The amount of space matter occupies Graduated Cylinder Metric Ruler Liter(L) cm 3

4. Mass MeasurementToolsUnits Mass- The amount of matter in an object. Triple-beam or Digital balance Gram (g)

5. Length MeasurementToolsUnits Length- How far away two points are from each other. Metric Ruler Meter Stick Meter (m)

6. MeasurementToolsUnits Temperature measure of how hot something is Thermometer Celsius (°c)

7. Prefixes Prefixes are placed in front of a base unit to change the size. King Henry Doesn't Usually Drink Chocolate Milk *Kilo= 1000 Hecto= 100 Deca= 10 Base Unit deci=.1 *centi=.01 *milli=.001