Science - Reversible and Irreversible Changes

The process of changing a solid to a liquid is called...

• solidifying

• vaporisation

• melting

• condensation

• freezing

The process of changing a liquid to a solid is called...

• solidifying

• vaporisation

• melting

• condensation

• freezing

The process of changing a gas to a liquid is called...

• solidifying

• vaporisation

• melting

• condensation

• freezing

Ice is able to melt into a liquid when heated then form back into a solid when cooled. This is an example of...

• freezing

• a reversible change

• an irreversible change

• vaporisation

• a fair test

Burning your dinner when cooking is an example of...

• a poor chef

• a reversible change

• an irreversible change

• a fair test

• solidifying

Candle wax dripping after being lit by a match is an example of...

• solidifying

• vaporisation

• melting

• condensation

• freezing

Steel to molten steel is an example of a...

• reversible change

• irreversible change

• fair test

• control variable

Raw egg to fried egg is an example of a...

• reversible change

• irreversible change

• fair test

• control variable

Potato to hot chips is an example of a...

• reversible change

• irreversible change

• fair test

• control variable

Chicken to fried chicken is an example of a...

• reversible change

• irreversible change

• fair test

• control variable