Unit 3 and 4

Which object uses only one material?

• motorcycle

• shoes

• metal chair

• TV

Which object uses more than one material?

• shoes

• towel

• blanket

• paper

What can you make with pieces of bricks from a destroyed house?

• walkway

• metal chair

• bicycle

• another house

When an egg is heated, what will happen to the egg?

• It will become solid.

• It will not change.

• Only the yellow part will become solid.

• Only the white part will become solid.

When sugar cubes is heated, what will happen?

• The state won't change.

• The state changes  from liquid into solid.

• The state changes  from solid into liquid.

• It will remain as sugar cube.

This state has fixed shape.

• sea water

• solid

• liquid

• water

When water is cooled, what will happen.

• The state change from solid to liquid.

• The state change from liquid to solid.

• Nothing will change.

• It will remain as water.

What is an example of liquid?

• sea water

• salt

• sugar

What is an example of solid?

• ice cream

• oil

• juice

• melted metal

What will happen to the chocolate if you will

take it out from the fridge?

• It will not change change anything.

• It will melt easily.

• It will become water.

• It will be hardened.