8th Grade Physical Science Review

If 10 ice cubes are heated to boiling in a CLOSED CONTAINER, the mass will ________.

• increase

• decrease

• stay the same

• it depends

Tags

NGSS.MS-PS1-4

Which of these are physical properties of all metals?

• malleable

• good conductors of heat and electricity

• ductile

• all answers are correct

As a substance is heated up, what happens to its molecules?

• they move faster

• they get farther apart

• they may change state

• all answers are correct

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

One example of a physical change is

• burning paper

• baking cookies

• heating table sugar

• dissolving salt in water

Tags

NGSS.MS-PS1-4

Substances that cannot be broken down chemically into other substances are

• elements

• compounds

• mixtures

• solutions

All elements are composed of extremely small particles called

• compounds

• mixtures

• atoms

• molecules

Tags

NGSS.MS-PS1-1

How do liquid water, ice, and water vapor differ from each other?

• They are different states of matter

• They are different compounds.

• They are made of different kinds of molecules.

• They are made of different kinds of atoms.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Soil, salad, and sugar water are all examples of

• elements

• compounds

• mixtures

• atoms

A change that produces one or more new substances is called a ___________ change.

• physical

• chemical

• solution

• weight

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

A substance that undergoes a __________ change is still the same substance after the change.

• chemical

• physical

• weight

• mass

Tags

NGSS.MS-PS1-2