# Do Now “ Happiness is like a butterfly; the more you chase it, the more it will elude you, but if you turn your attention to other things, it will come.

## Presentation on theme: "Do Now “ Happiness is like a butterfly; the more you chase it, the more it will elude you, but if you turn your attention to other things, it will come."— Presentation transcript:

Do Now “ Happiness is like a butterfly; the more you chase it, the more it will elude you, but if you turn your attention to other things, it will come and sit softly on your shoulder....” –Thoreau

Today’s objective I can demonstrate my understanding of the relationship between density, mass and volume by completing calculations using significant figures.

Density Degree of compactness of a substance. Can be calculated using the formula: Measured in units g/cm 3. Water has density 1.0 g/cm 3.

Math Review

Density Practice

Practice

Exit Ticket 1)Calculate the density of an unknown substance that weighs 2.5 grams and takes up 3.5 mL. 2)What volume of gold weighs 0.2 kg when the density of gold is 19.30 g/mL.

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