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Physical Science-Ravenwood High School-Crombie-Section 2.2

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Section 1

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Define density, write the formula (from memory!) and give two different units used to measure density.

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Mar 1, 2020

Cards (7)

Section 1

(7 cards)

Define density, write the formula (from memory!) and give two different units used to measure density.

Front

D=m/v; g/ml; g/cm^3

Back

The density of balsa wood is about 170 kg/m^3. Convert to g/cm^3. Why do you think balsa wood, rather than oak or ash, is commonly used for building models?

Front

170 g/cm^3

Back

A piece of wood has a mass of 20 grams. calculate its volume and density. Then, use figur 2.9 to determine which type of wood it is. FIG 2.7- material---(kg/m^3)----(g/cm^3) ash 600 0.67 pine 440 0.44 cork 120 0.12

Front

30cm^3; ash

Back

One cubic centimeter(cm^3) is the same volume as one______.

Front

1mL

Back

A certain material has a density of 0.2 g/cm^3. Is this material better for building a bridge or for making sofa cushions?

Front

low density; sofa

Back

the density of maple wood is about 755.kg/m^3. What is the mass of a solid piece of maple that has a volume 640. cm^3?

Front

483g

Back

A material's density is the same, no matter how large or small the sample is, or what its shape is, as long as it is a solid, uniform piece of the material. Explain how this is possible and give an example.

Front

The ratio of mass divided by volume (m/v)

Back