Chemical vs Physical

Which is NOT a physical property?

• mass

• hardness

• freezing point

• explosiveness

Which is a chemical property?

• potassium is a soft metal

• potassium is a silver color

• potassium is a solid at room temperature

• potassium will react with water producing heat

Tags

NGSS.MS-PS1-2

Which is a physical change?

• pennies turn green in water

• sugar dissolving in water

• charcoal gives off heat when burned

• baking soda & vinegar bubble

Which is NOT a physical property of water?

• sugar dissolves in it

• it decomposes into hydrogen & oxygen

• its colorless

• its boiling point is 100⁰C

All of these are chemical properties EXCEPT

• reactivity

• flammablility

• corrosiveness

• density

Which are chemical processes?

• rusting of a nail

• freezing of water

• compression of oxygen gas

• boiling of water

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Under normal conditions ice melts at 0⁰C. Which of following describes this change?

• physical change, heat is released

• chemical change, heat is released

• physical change, heat is absorbed

• chemical change, heat is absorbed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Intensive properties ____ depend on the amount of matter present.

• don't

• do

Tags

NGSS.MS-PS3-4

Which of the following is extensive?

• viscosity

• melting point

• density

• mass

Sublimation is a

• chemical change

• physical change

Tags

NGSS.MS-PS1-4