cooling materials

When you cool materials it become

• hot

• soft

• colder

when you put water in fridge it becomes

• cool

• warm

• rough

when you put water in freezer it becomes

• wood

• paper

• ice

• fabric

ice is a ...................... material

• soft

• rough

• hard

what happens if we keep soft butter in freezer?

• becomes hard

• stays soft

• becomes like paper

how we can change ice into water

• keep in dark place

• keep in fridge

• keep in cupboard

can we change the material by heating?

• no

• yes

• may be

melted butter can be hard again if we keep in sun

• no

• yes

• may be

ice can be changed by heating

• may be

• no

• yes

candle start ........................ when it lighted

• becoming hard

• melting

• becoming ice cold