Physical and Chemical Changes

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• crumpled paper

• dissolving sugar in water

• freezing water

• burning a marshmallow

Tags

NGSS.MS-PS1-2

Kim puts an ice cube in a beaker and it melts. This is a good example of:

• a physical change.
• a chemical change.
• an experiment.
• an analysis.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The melting of wax is an example of a

• chemical change
• physical change

Tags

NGSS.MS-PS1-4

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is the formation of the grand canyon a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-ESS2-2

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in H₂SO₄ ?

• 6

• 5

• 7

• 3