03/16/25, PS.6.1.3 Pure Substances

Into which state of matter will the metals transform when they reach their melting points?

• gas

• liquid

• plasma

• solid

Tags

NGSS.MS-PS1-4

A brick is cut into small pieces. Which physical property do the small pieces have in common with the brick from which they came?

• density

• length

• shape

• mass

Tags

NGSS.5-PS1-3

Lucy wanted to determine the density of a colorful stone that she had picked up on the beach. Which two properties must Lucy measure in order to calculate the density of the stone?

• size and shape

• mass and volume

• mass and temperature

• composition and texture

A raw egg will float in concentrated salt water but sink in tap water. What can a person conclude from this observation?

• A. A raw egg has the same density as salt water.

• B. A raw egg, salt water, and tap water have the same density.

• C. A raw egg is less dense than salt water but more dense than tap water.

• D. A raw egg is less dense than tap water but more dense than salt water.

Which material is most likely to sink the fastest in water?

• wood

• tin

• steel

• glass

Which statement is correct about all of these physical properties?

• A. They involve a change in the state of matter.

• B. They involve the production of new substances.

• C. They can be measured only after a change in state.

• D. They are independent of the amount of the sample present.

Which illustration correctly shows how these liquids would appear if they were poured slowly into a cylinder?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-2

The two objects shown below are the same size and shape. However, one object is made of wood, and the other is made of plastic. With no other information, what can be concluded about the objects?

• Both objects have the same density.

• Both objects have the same mass.

• Both objects have the same volume.

• Both objects have the same weight.

The diagram shows two containers with two different substances, X and Y. If substance X has a density that is double the density of substance Y, then

• substance Y will float on top of substance X.

• substance X will float on top of substance Y.

• substance X will dissolve in substance Y.

• substance Y will react with substance X.

Tags

NGSS.MS-PS1-2

What is the term used to describe the temperature at which a solid becomes a liquid?

• sublimation point

• melting point

• condensing point

• boiling point

Tags

NGSS.MS-PS1-4