Physical and Chemical Changes

The particles in a _____ are the farthest apart and move the fastest.

• gas
• solid
• banana
• liquid

Tags

NGSS.MS-PS1-4

A physical change occurs when a substance _____. 

• breaks into individual elements
• becomes a new substance
• changes from an acid to a base
• changes shape, size, and form

A chemical change creates a _________. 

• change in volume
• new substance
• mixture
• solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A different chemical substance is formed when _____. 

• water boils
• metal rusts
• ice melts
• rock is crushed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mixtures can be _____________ into the substances that make them up. 

• separated
• placed
• melted
• blended

__________ describes how much substance something contains.  

• mass
• density
• boiling point
• melting point

Tags

NGSS.MS-PS1-5

What type of change is taking place when a pond freezes in the winter? 

• a physical change
• a material change
• a chemical change
• no change

Tags

NGSS.MS-PS1-4

A change in a state of matter is represented in the diagrams below. Which statement describes the process occurring from beaker 1 to beaker 2?

• Solid ice is changing into gas.
• Liquid water is changing to gas.
• Solid ice is melting to liquid water.
• Gaseous steam is condensing to solid ice.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is NOT an example of a physical change?

• crumpling paper

• sharpening a pencil

• clothes shrinking

• sour milk

Which of the following is NOT an example of chemical change?

• sour milk

• burning wood

• breaking a pencil

• rust

Tags

NGSS.MS-PS1-2