Properties of Matter & Changes in Matter

According to the Atomic Theory, all matter is made of

• tiny particles too small to see

• two or more elements combined

• two or more compounds combined

• tiny particles that do not take up space

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What makes up the nucleus of every atom in a substance (such as carbon)?

• electrons and neutrons

• protons and electrons

• protons and neutrons

• only neutrons

Tags

NGSS.MS-PS1-1

Which object would MOST LIKEYL have the smallest volume?

• a basketball

• a baseball

• a tennis ball

• a marble

How do wood and helium gas compare?

• both are the same state of matter

• only the helium gas has a definite shape

• both have a definite shape and volume

• only the wood has a definite shape and volume

Which one is a clue that a chemical change is happening?

• the temperature inside a beaker quickly decreases when you mix two liquids in it

• a liquid forms bubbles and creates a new substance when it reaches a high temperature

• a piece of wood changes shape

• a car door feels hot if you touch it on a summer afternoon

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which term BEST describes the change shown in the picture below

• mixture

• physical change

• chemical change

• solution

Tags

NGSS.MS-PS1-4

the amount of matter an object has is its

• volume

• size

• mass

In a chemical change...

• materials remain the same, and keep their properties

• materials change their properties, and become something new

• new materials do not form

• new materials formed are always liquid forms only

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A gas...

• does not have a definite volume

• does not have a definite shape

• fills the container it is in

• ALL of the above

Tags

NGSS.MS-PS1-4

Is this a chemical or physical change:

crumpling a piece of paper

• physical change

• chemical change