Properties of Materials

Which of the following materials will absorb water the most?

• cotton

• glass

• rock

• rubber

What property is common to rubber band, glass, and plastic?

• They are poisonous.

• They all absorb water.

• They are all soft.

• They do not absorb water.

Diapers can absorb urine because they have______ inside them.

• plastic sheet

• rubber sheet

• cotton pads

• cloth

This property refers to the ability of a material to withstand wear and scratches.

• Hardness

• Ductility

• Flexibility

• Buoyancy

This property refers to the ability of a material to bend without breaking.

• Buoyancy

• Flexibility

• Porosity

• Biodegradability

These materials will break if we try to bend it with enough force.

• Rigid materials

• Flexible materials

• Ductile materials

• Water proof

Which material can be pulled into wires?

• copper

• plastic

• wood

• cotton

Which among the objects will float in water?

• a 5-peso coin

• steel ball

• plastic ball

• big stone

Why do you think are most boats made of balsa wood?

• Balsa wood is durable.

• Balsa wood is denser that water

• Balsa wood is less dense than water

• It is easy to shape balsa wood into a boat.

Which of the following materials is not porous?

• cotton

• glass

• sponge

• tissue