Physical Science Quiz

What can be done to reverse the toasting of bread?

• Nothing, it's irreversible

• Soak it in water

• Cool it down

• Put it back in the toaster

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Can the process of a soda turning from solid to liquid be reversed?

• Yes, by refreezing

• No, it's permanent

• Yes, by boiling

• No, it changes composition

Tags

NGSS.MS-PS1-4

What happens to the iron filings when a magnet is passed over a mixture of iron filings and sand?

• They change color

• They burn

• They dissolve

• They are pulled out by the magnet

Tags

NGSS.MS-PS2-5

What is a key characteristic of a chemical change?

• It can be easily reversed

• It results in a new substance

• It does not conserve mass

• It only changes appearance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to the mass in chemical reactions according to the conservation of mass?

• It increases

• It decreases

• It becomes zero

• It stays the same

Tags

NGSS.MS-PS1-5