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Scientific measurement Metric System Scientific Notation Density

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Metric System Common form of measuring matter – Why would having one common form of measurement be a benefit? Base Units: Mass = gram (g) volume = liter (L) Length = meter (m)

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How are we able to designate the number? By using prefixes! What are the prefixes we will most often use? Kilo, Hecto, Deca, Deci, Centi, Milli

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How to convert When converting between prefixes in the metric system, you can use either dimensional analysis or the “King Henry” method.

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Guided Practice Let’s do some examples on your metric system packet!

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Scientific Notation Same number, different way of writing it. Puts large numbers or really small numbers into a more manageable form Rules: 1.Move the decimal to a number between 1 and 10 2.Write that number and “X 10” 3.The exponent is the number of times you moved the decimal

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Scientific Notation Examples: – Convert 3645200000000 to scientific notation – Convert 0.0000000354 to scientific notation

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Density The relationship between mass and volume – Mass = the amount of matter in a substance – Volume = the amount of space something takes up Density = mass/volume The density of water is 1 g/mL. If the density of an object is greater than 1, will it sink or float? Why?

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Question: You have a mixture of two metals in large quantities. Neither will dissolve in water but one metal floats and the other metal sinks. How can we easily separate the two?

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