Question 1

Using the density triangle , what is the formula for density?

Accepted Answer

D= M / V

Answer

D=MXV

Answer

D= DX V

Answer

D= V/M

Question 2

Using the density triangle, what would be the formula to solve for this unit of measurement: grams?

Accepted Answer

Mass = Density $	imes$ Volume

Answer

Mass $=$ Density $\div$ Volume

Answer

Volume $=$  Density $\div$ Mass

Answer

Volume $=$ Mass $\div$ Volume

Question 3

Using the density triangle, what would be the appropriate formula for the units: $ml$ or $cm^3$?

Accepted Answer

Volume $=$ Mass $\div$ Density

Answer

None of the above

Answer

Volume $=$ Density $\div$ Mass

Answer

Volume $=$ Mass $	imes$ Density

Question 4

An unknown object has a mass of $5g$ and a volume of $7cm^3$.  Which liquid is its density most similar to?

Accepted Answer

Vegetable Oil $(0.71 g/cm^3)$

Answer

Dish Soap $(1.7 g/cm^3)$

Answer

Lamp Oil $( 0.2 g/cm^3)$

Answer

Honey $(71 g/cm^3)$

Question 5

An unknown object has a mass of $2g$ and volume of $0.8 cm^3$.  Which liquid is its density most similar to?

Accepted Answer

Milk/Maple Syrup $(2.5g/cm^3 )$

Answer

Corn Syrup $(5.2g/cm3^3)$

Answer

Honey $(25g/cm^3)$

Answer

Lamp Oil $(0.25 g/cm^3)$

Question 6

What is the density  of  the ball if its mass is $10kg$?

Accepted Answer

$0.5kg/cm^3$

Answer

$0.20kg/cm^3$

Answer

$200kg/cm^3$

Answer

$50kg/cm^3$

Question 7

Kim found an unknown substance and classified it by its properties.  She hypothesized that it was most like Sulfur. She also learned that  the volume of the sample was $2cm^3$. What was the mass of the sample?

Accepted Answer

$4.14g$

Answer

$0.414g$

Answer

$1.07g$

Answer

$414g$

Question 8

If an unknown substance has a mass of $4kg$ and volume of $2.3 cm^3$, its density would be most similar to the density of which substance?

Accepted Answer

Magnesium

Answer

Sulfur

Answer

Carbon

Answer

Calcium

Question 9

If an unknown substance has a mass  of $6kg$ and volume of $4cm^3$,  its density would be most similar to the density of which substance?

Accepted Answer

Calcium

Answer

Sulfur

Answer

Phosphorus

Answer

Carbon

Question 10

What is the density of the object shown in the picture if its mass is $35g$?

Accepted Answer

$0.081g/cm^3$

Answer

$428.4 g/cm^3$

Answer

$0.0081g/cm^3$

Answer

$81g/cm^3$

Question 11

If a cube has sides measuring $5cm$ and a mass of $25g$, what is its density?

Accepted Answer

$0.2 g/cm^3$

Answer

$2g/cm^3$

Answer

125 g/cm3

Answer

20 g/cm3

Question 12

Jack has a rock. The rock has a mass of $14g$ and a volume of $2cm^3$. What is the density of the rock?

Accepted Answer

$7g/cm^3$

Answer

$7ml/cm^3$

Answer

$\frac{1}{7} g/cm^3$

Answer

$28 g/cm^3$

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