GRADE 9 GEN: Calculating Density

A bar of copper has a mass of 216g and a volume of 24cm³. What is the density of copper?  

• 9g/cm3
• .11g/cm3
• 5184g/cm3
• 322mL

Tags

NGSS.MS-PS1-2

What is the density of a plastic ball that has a volume of 6cm³ and a mass of 12g? 

• 2g/cm³
• .5g/cm_³
• 72g/cm³
• 4mL

Which is NOT a physical change?

• Cutting a pizza into equal slices
• Ice cubes melting back into liquid water
• Baking cupcakes
• A chocolate bar melting

Tags

NGSS.MS-PS1-2

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

A bar of copper has a mass of 216g and a volume of 24cm³. What is the density of copper?  

• 9g/cm3
• .11g/cm3
• 5184g/cm3
• 322mL

Tags

NGSS.MS-PS1-2

The volume of a candy bar is 55cm³. The mass of the candy bar is 70g. What is the density of the candy bar? 

• 2.3g/cm³
• .8g/cm³
• 3850g/cm³
• 1.3g/cm³

Tags

NGSS.MS-PS1-2

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

• 3 g/cm³
• 1/3 g/cm³
• 27 g/cm³
• 39 g/cm³

Tags

NGSS.MS-PS1-2

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

What is the density of an object that has a mass of 25 g and a volume of 10.0 cm³?

• 250 g/cm³
• 25 g/cm³
• 2.5 g/cm³
• 0.25 g/cm³