Not able to be seen?
Invisible
A thin material made from trees that is often used for writing?
paper
A shiny material that can be melted and shaped, like silver and gold?
metal
A material that is easily shaped or molded into containers?
plastic
A material that has no shape and moves in the air?
gas
A material that has a shape and does not flow?
solid
A material that takes the shape of the container it is in and flows?
liquid
A clear, solid material used for windows and containers?
glass
What everything on Earth is made up of?
matter
To take old or used things and make them into new things?
recycle
To become new or different than before?
change
To transform from a solid to a liquid when hot?
melt
Mush that consists of old paper?
pulp
A change that results in new substances being formed through a chemical reaction?
chemical change
Any change in the size, shape, or form of matter in which the makeup of the matter remains the same?
physical change
The form of an object, such as round or square?
shape