Physical properties review

 Which is true?

• Oil is more dense than water
• the crayon is more dense than the pasta
• the paperclip is less dense than oil
• the popsicle stick is the least dense item

What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.

• 3 mL
• 23 mL
• 20 mL
• 43 mL

Tags

NGSS.MS-PS1-2

A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt?

• Use a pair of tweezers to remove each grain of pepper

• Run a small magnet through the mixture to attract the pepper

• Put the mixture in water and filter the pepper out of the water

• Use a strainer with a fine wire screen to remove the pepper

Tags

NGSS.MS-PS1-2

A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student then tries to separate the water from each mixture by pouring the mixture through a kitchen tea strainer. Which mixture can the student separate most easily with the strainer?

• Salt and water

• Gravel and water

• Shampoo and water

• Sugar and water

Tags

NGSS.MS-PS1-2

What describes the ability of a solid to dissolve in water?

• melt
• dissapear
• solubility
• evaporate

Tags

NGSS.5-PS1-1

NGSS.5-PS1-4

Buoyancy means the ability to:

• evaporate
• attract magnetic objects
• repel things that are not electrical
• float or sink

Tags

NGSS.MS-PS2-2

All matter can be classified by its physical properties. Which substance can be classified as being soluble in water?

• sand

• pepper

• iron filings

• salt

• A

• B

• C

• D

These magnets will _____

• Attract
• Repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

• The boiled egg is less dense than the saltwater solution.

• The boiled egg is more dense than the saltwater solution.

• The saltwater solution changes the mass of the boiled egg.

• The saltwater solution changes the volume of the boiled egg.

Tags

NGSS.MS-PS1-2