Matter/Density Practice

What is the mass of a cube measuring 3 cm on each side that has a density of 8.1 g/cm³ ?

• 218.7g
• 218

• 218.7

• 3.3g

An unknown solid is placed on a scale and has a mass of 2.5 grams. The solid then displaces 34 mL of water in a graduated cylinder. Find the unknown solid's density.

• 1.0 g/mL
• 0.0735 g/mL
• 0.5 g/mL
• 0.1 g/mL

What is the mass of a 25 cm³ liquid if it has a density of 5 g/cm³?

• 125 g

• 5 g

Milk is an example of

• Compound

• element

• mixtures

• all the above

Paint is an example of

• Compound

• element

• mixtures

• all the above

A student finds that the mass of an unknown object is 28.9 grams and the volume is 12.3 cm³. Which object did the student measure? Remember: density = mass/volume

• Water

• Rock

• Air

• Glass

Tags

NGSS.MS-PS1-2

This is 3 cm x 2 cm x 2 cm.  If it has a density of 5 g/cm³ Tell me what the mass is of the entire object.

• 5/12 g
• 5 g
• More information is needed!
• 60  g

Is chopping wood a chemical change or physical change?

• Physical change

• Chemical Change

Is burning wood a chemical change or physical change?

• Physical change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is an ice cube melting a chemical change or physical change?

• Physical change

• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4