Physical Science

An ice cube melts and then evaporates. The ice cube and the resulting water vapor have the same

• mass

• volume

• density

• temperature

Tags

NGSS.MS-PS1-5

A teacher breaks a bar of pure copper into two different–sized pieces. What is the most likely difference between the two pieces?

• texture

• mass

• boiling point

• melting point

Jonah’s homework assignment was to collect pictures of physical changes. Which is a physical change?

• wood burning

• a pencil breaking

• eggs cooking

• a bicycle rusting

Which statement is true for ALL mixtures?

• All mixtures can be separated.

• One substance dissolves into another.

• Both substances can evaporate.

A substance made up of two or more elements that have been physically combined is called __________.

• a solution

• a mixture

• a compound

Which color object is more dense than water?

• yellow

• orange

• green

• none

Tags

NGSS.MS-PS1-2

Which action is the best method to separate a mixture of salt and water?

• using a magnet to extract the salt

• adding a colored dye to the mixture

• pouring the mixture through a filter

• boiling the mixture until the water evaporates

Which of the following terms best describes the thickness of syrup?

• density

• magnetism

• viscoscity

• hardness

Match the word to the correct definition: Speed

• This explains why the motion of an object can be described only in comparison to other objects (how the motion of the 2 objects relate to one another)

• The process of changing from one position/place to another

• How fast an object changes position

Match the word to the correct definition: Motion

• This explains why the motion of an object can be described only in comparison to other objects (how the motion of the 2 objects relate to one another)

• The process of changing from one position/place to another

• How fast an object changes position

Tags

NGSS.MS-PS3-1