What happens to the density of a material if you have a larger piece of it?(1 point)
Responses
A. The density will remain the same because mass and volume will both increase in the same way.
B. The density will be smaller because the mass remains the same as the volume increases.
C. The density will be greater because the mass increases but the volume remains the same.
D. The density will remain the same because mass and volume will remain the same.
A. The density will remain the same because mass and volume will both increase in the same way.
Which phases does water go through if you use distillation to separate it from dissolved sugar?(1 point)
Responses
A. from a liquid to a solid, and then to a gas
B. from a solid to a liquid, and then to a gas
C. from a liquid to a solid, and back to a liquid
D. from a liquid to a gas, and back to a liquid
D. from a liquid to a gas, and back to a liquid
Which statement is a good description of plastic?(1 point)
Responses
A. It is a synthetic material that comes from natural resources.
B. It is a natural material that is made from synthetic resources.
C. It is a synthetic material that does not come from natural resources.
D. It is a natural material made from natural resources.
C. It is a synthetic material that does not come from natural resources.
Which option would save the most natural resources while providing water for a person?(1 point)
Responses
A. using a reusable water bottle and drinking filtered tap water
B. drinking bottled water that comes from 100% natural sources
C. using disposable plastic containers once each
D. reusing plastic water bottles several times and always recycling them
A. using a reusable water bottle and drinking filtered tap water
Why is it a problem that plastics are not biodegradable, when other materials like metals are also not biodegradable?(1 point)
Responses
A. Plastics have been chemically altered from natural resources and cannot be restored.
B. Metals can be broken down by corrosion.
C. Metals can at least be recycled and used more than once.
D. Plastics are more of a problem because they float in water, but metals sink.