Changes and Properties of Materials Test

Which can not be taken apart?

• A puzzle after it is assembled

• A building made of connecting cubes

• cookie ingredients after they are baked

• box

Which objects can be made out of a set of 12 bricks? (2 answers)

• paper

• straw

• wall

• box

An ice cube melts after it was left in a cup. Which statement explains why this is a reversible change?

• The water cannot be frozen again.

• The water will boil when it is heated.

• The water can be frozen into an ice cube.

• The water will weigh less than the ice cube did.

Tags

NGSS.MS-PS1-4

Which item can be taken apart and the parts made into a smaller object?

• rock

• toy car

• balloon

• puddle of water

A puzzle and a tower made with wood blocks can be assembled and disassembled. What do these objects have in common?

• They are made out of the same material.

• They are the same size.

• They are made of smaller pieces that can be put together and taken apart.

• They are both used for drawing.

Tags

NGSS.2-PS1-3

Which change cannot be reversed?

• Water boiling and cooling

• Chocolate bar melting and solidifying

• Paper burning and turning brown

• Water freezing and melting

Why can an egg being cooked not be reversed?

• The egg turns into water

• The egg cooks and stays cooked

• The egg melts and becomes solid again

• The egg burns and turns brown

Tags

NGSS.MS-PS1-4

If you wanted to show a reversible change which would be the best example?

• Burning paper

• Cooking an egg

• Melting and solidifying a chocolate bar

• Boiling and cooling water

Tags

NGSS.MS-PS1-4

A student leaves ice cubes in a bowl and watches them turn into a liquid. What should the student do to reverse the change?

• leave as a liquid for longer

• keep liquid in the sun

• heat on stove

• cool the liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which is caused by heating and can't be reversed?

• baking cake

• making salad

• cutting apple

• folding paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5