density and foam slime\ncalculate and record the density of each substance and determine if each will sink…

density and foam slime\ncalculate and record the density of each substance and determine if each will sink or float in homemade foam slime, which has a density of 2.2 g/ml.\n| substance | mass (g) | volume (ml) | density (g/ml) | sink, float, or neither? |\n|--|--|--|--|--|--|\n| charcoal | 4 | 20 | | |\n| maple wood | 14 | 20 | | |\n| brick | 48 | 20 | | |\n| iron | 156 | 20 | | |

density and foam slime\ncalculate and record the density of each substance and determine if each will sink or float in homemade foam slime, which has a density of 2.2 g/ml.\n| substance | mass (g) | volume (ml) | density (g/ml) | sink, float, or neither? |\n|--|--|--|--|--|--|\n| charcoal | 4 | 20 | | |\n| maple wood | 14 | 20 | | |\n| brick | 48 | 20 | | |\n| iron | 156 | 20 | | |

Answer

Explanation:

Step1: Recall density formula

The formula for density is $\rho=\frac{m}{V}$, where $\rho$ is density, $m$ is mass and $V$ is volume.

Step2: Calculate density of charcoal

For charcoal, $m = 4$ g and $V=20$ mL. So, $\rho_{charcoal}=\frac{4}{20}=0.2$ g/mL. Since $0.2<2.2$, it will float.

Step3: Calculate density of maple wood

For maple wood, $m = 14$ g and $V = 20$ mL. So, $\rho_{maple - wood}=\frac{14}{20}=0.7$ g/mL. Since $0.7<2.2$, it will float.

Step4: Calculate density of brick

For brick, $m = 48$ g and $V = 20$ mL. So, $\rho_{brick}=\frac{48}{20}=2.4$ g/mL. Since $2.4>2.2$, it will sink.

Step5: Calculate density of iron

For iron, $m = 156$ g and $V = 20$ mL. So, $\rho_{iron}=\frac{156}{20}=7.8$ g/mL. Since $7.8>2.2$, it will sink.

Answer:

Substance Density (g/mL) Sink, Float, or Neither?
Charcoal 0.2 Float
Maple Wood 0.7 Float
Brick 2.4 Sink
Iron 7.8 Sink