CHANGES IN MATTER PRACTICE QUIZ

Which situation represents a chemical change?

• burning a pile of twigs

• boiling water in a teakettle

• washing the mud off a dirty car

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which statement describes the difference in energy between an ice cube and liquid water?

• The particles in the ice cube have no energy.

• The particles in the ice cube have more energy.

• The particles in liquid water have more energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which change in matter can be reversed?

• torn paper

• broken rock

• dissolved sugar

Which situation represents a physical change?

• salt dissolving in water

• a piece of metal rusting

• twigs burning in a fire

A solid that sometimes forms when 2 liquids combine chemically is...

• an acid

• a solution

• a precipitate

Tags

NGSS.MS-PS1-2

What does the Law of Conservation of Mass state?

• Chemical reactions destroy matter

• Chemical reactions don't destroy matter

• Chemical reactions have the same mass in reactants and products

Tags

NGSS.MS-PS1-5

After a log burns, the mass of the ashes is less than the original log. Which statement explains why?

• Burning destroyed some of the mass.

• Burning converts some mass into a gas.

• Burnt ashes have less mass than wood.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Dissolving is best described as...

• mixing evenly

• disappearing completely

• forming a new substance

Tags

NGSS.MS-PS1-2

When matter goes through a physical change, mass is...

• never conserved

• always conserved

• sometimes conserved

Tags

NGSS.MS-PS1-2

Heat will always flow from hotter items to colder ones.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4