OD2 - U3 - READING

Everything in the world comes from three states: _______, _____, ____

• solid, liquid, gas

• solid, steam, gas

• solid, steam, water

Decide the sentence: True or False

Things can change from one state to another when we make them hot or cold.

• True

• False

When we makes water very cold, it __________ and changes to ice.

• boils

• freezes

• melts

When ice or snow heats up, it _______and changes back to water.

• freezes

• falls

• melts

We can feel and see this. It can be hard or soft.

• solid

• liquid

• gas

What is the effect of the water freezing?

• It changes into ice. It is a solid now.

• It changes into steam. It is a gas now.

What is the effect of the snow melting?

• It changes into water. It becomes a liquid.

• It changes into steam. It becomes a gas.