Quiz 2

Which of the following best describes flammability?

• The ability of a material to dissolve in water

• The ease with which a material can catch fire and burn

• The tendency of a material to react with oxygen in the air

• The ability of a material to conduct electricity

What is an example of a flammable material?

• Glass

• Metal

• Paper

• Rock

When iron reacts with oxygen and moisture in the air, what does it form?

• Aluminum oxide

• Rust

• Carbon dioxide

• Hydrogen gas

Which of the following materials is biodegradable?

• Plastic drinking straw

• Nylon fishing line

• Banana peel

• Styrofoam packaging

David is helping his mom in the kitchen. She accidentally spills some lemon

juice on the marble countertop. What is likely to happen to the marble over

time?

• The marble will remain unchanged

• The marble will dissolve and disappear

• The marble will develop stains and discoloration

• The marble will react with the lemon juice to form a new substance