'24: Norman: 7th: Phys&Chem Changes w/ LawofConservation of mass

Which is a way that a piece of paper can go through a chemical change?

• fold the paper in half
• soak the paper in water
• burn the paper with fire
• cut the paper with scissors

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of these is an example of a new substance being formed?

• a nail rusting
• a wall being painted
• water changing to steam
• paper being folded

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which example best describes a physical change?

• iron rusting
• charcoal burning
• an ice cube melting
• a marshmallow burning

Glass bottle that is shattered

• Chemical Change
• Physical Change

Baking soda and vinegar combine to make carbon dioxide

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following are examples of a Chemical Change?(3)

• Iron Rusting

• Gas Burning

• Breaking a glass

• Boiling water

• Burning Wood

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Sodium Hydroxide dissolves in water

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Sugar dissolves in water

• Chemical Change
• Physical Change

A pellet of sodium is sliced in two

• Chemical change
• Physical Change