Checkpoint: Properties

Which of the following is NOT a property?

• color
• texture
• hardness
• solubility
• density

Mike wants to find out if the unknown pink powder can dissolve in water. What property is he testing for?

• color
• hardness
• melting point
• solubility

Tags

NGSS.MS-PS1-2

Maddie wants to make a candle so she places a piece of solid wax in a pan and heats it on the stove. After a while, Maddie notices the solid wax starting to become a liquid. She takes the temperature at the point that the solid started changing to a liquid. This data would be recorded as...

• boiling point
• solubility
• melting point
• melting time

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Properties of a substance can change depending on the size of the sample.

• True
• False

Bill was comparing different chocolate bars by using a butter knife to see if it could easily cut through. In his observations, what property is he really testing for?

• melting point
• hardness
• solubility
• texture

"Somebody stole my square, thick, brown brownie"!, you shouted. You're looking everywhere around the lunch table, but nobody is fessing up and you can't find it anywhere. All of a sudden, Mrs. Bissell comes by and points to this flattened, brown blob on the floor. "Could this be yours"?, Mrs. Bissell questions. Which property remained unchanged after the brownie was flattened?

• shape
• width
• color
• size

Luke was inventing a new type of basketball material to withstand the summer heat. Which property would be the most useful to test in order to help Luke?

• Hardness
• Solubility
• Melting Point
• Size

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A block of wood has a mass of 6.0g and a volume of 12mL. What is the density of the block of wood? Density =mass/volume

• 0.5g/mL
• 5.0g/mL
• 2.0g/mL

Which of the following statements about solubility is correct?

• solubility tells how much a substance weights
• all substances are soluble in water
• solubility is the measure of how much a substance can dissolve in a given amount of liquid.

Kaylee finds a container with zinc strips. Zinc is a pure substance. Which of the following will NOT help Kaylee identify the solid?

• Determining the melting point of zinc and comparing its melting point to the melting point of other metals.
• Determining the length of zinc and comparing its length to the length of other metals.
• Observing the color of zinc and comparing its color to that of other metals.
• Scratching zinc with copper and comparing its hardness to the hardness of the other metals.