SI Units/ Derived Units Matter is anything that has mass and volume. Volume is the space an object occupies.

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# SI Units/ Derived Units Matter is anything that has mass and volume. Volume is the space an object occupies. - PowerPoint PPT Presentation

SI Units/ Derived Units Matter is anything that has mass and volume. Volume is the space an object occupies. Mass is the quantity of matter in an object. Weight is the force produced by gravity acting on a mass. Dimensional Analysis Convert 0.851 L to milliliters.

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### K-H-D-M-D-C-MConvert centimeter to meter

9.256 centimeters = ______meters

Move decimal place two places to the left

One space 0.9256

### 9.256cm

Two spaces 0.09256 m

### K, H, D, M, D, C, MConvert centimeter to meter

9.256 centimeters = 0.09256meters

### K-H-D-M-D-C-MConvert dekameter to centimeter

89.76 dekameters = ______centimeters

Move decimal place 3 places to the right

One space

897.6

### 89.76 dm

Two spaces 8976.0

Three spaces

89760.0cm

### K-H-D-M-D-C-MConvert dekameter to centimeter

89.76 dekameters = 89760.0 centimeters

Derived UnitsMany quantities you can measure need units other than the seven basic SI units.These units are derived by multiplying or dividing the base units.

Speed is distance divided by time.The derived unit of speed is meters per second (m/s). A rectangle’s area is found by multiplying its length (in meters) by its width (also in meters).Its unit is square meters (m2).

Volume is another commonly used derived unit. The volume of a book can be found by multiplying its length, width, and height. The unit of volume is the cubic meter (m3).

### This unit is too large and inconvenient in most labs. Chemists usually use the liter (L).

The density of an object is the mass of the object divided by volume of the object. Densities are expressed in derived units such as g/cm3 or g/mL.