Gr5Ch1

Burning is………… change.

• physical

• chemical

Dissolving is ………… change

.

• physical

• chemical

Food spoiling is ……….change.

• physical

• chemical

.………………. Can separate iron filling from sand

• magnet

• screen filter

• hands

……….. Can separate pebble and sand.

• magnet

• screen filter

• hand

................. is the dissolved substance.

• solution

• solute

• solvent

You can make the solid dissolve faster by...........

• heating only

• stirring only

• both heating and stirring

................ is insoluble in water.

• sugar

• salt

• sand

.................. is evidence of chemical changes:

• melting

• evaporating

• change color

glow sticks glow brighter when we put it in ..............water

• hot

• cold

• frozen