materials can change

To take something apart is to ................ it.

• Assemble

• Combine

• Disassemble

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

object?

• Rock

• Toy car

• Ballon

.................... materials are able to go back.

• Reversible

• Non reversible

Toasting bread is ........................... change.

• reversible

• irreversible

liquid part of egg change into solid by................... and it is .................... change.

• heating , reversible

• cooling, irreversible

• heating, irreversible

• cooling , reversible

to put something together is to................

• assemble

• combine

• disassemble

………………………. is a measurement of how hot or cold something is.

• heating

• temperature

• cooling

Paper and wood are reversible change .

• true

• false

melting the candle wax is ............. change.

• reversible

• irreversible

melting chocolate is ...................... change.

• irreversible

• reversible