Physical and Chemical Changes

a rusting bicycle

• physical change
• chemical change

Tags

NGSS.MS-PS1-2

frying an egg

• physical change
• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What happens when a piece of wood burns?

• A physical change takes place.

• A chemical change takes place.

• The wood loses its gravity.

• The wood becomes a tree again.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Which is NOT an example of condensation?

• A bucket of water left uncovered eventually becomes empty.

• Dew is found on the grass on a summer morning.

• Drops of water form on a cold can of soda on a hot day.

• The walls of a bathroom are damp after someone takes a shower.

__________ is anything that has mass and takes up space.

• Solid

• Matter

• Density

• Gas

Which of the following is NOT a clue that a chemical change has occurred? 

• change of state of matter
• color change
• production of a gas
• production of heat

Tags

NGSS.MS-PS1-2

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

• gas
• solid
• banana
• liquid

Tags

NGSS.MS-PS1-4

What reaction has the following general formula:

AB --> A + B

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

What reaction has the following general formula:

A + CD --> C + AD

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

What type of reaction is the following:
 $2H_2+O_2->2H_2O$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2