Vocabulary
What is the matter that has been prepared to make objects? For example, the paper used to make a notebook.
Material
Wood, oil, coffee, and cotton are examples of what type of materials?
Raw materials
Is a dress made of raw materials or materials?
Material
What is the material that is used to make new usable materials? For example the wood we use to make paper?
Raw materials
Materials
How are materials that are not found in nature made?
Through chemical processes
These materials come from the natural world.
Natural or synthetic materials?
Plastic is a product made in the chemical industry using a process called polymerization.
Synthetic materials
What is a change in appearance only where a new substance is not created
Physical change
To use natural materials we make what type of change to the raw material?
Physical changes
Synthetic or natural?
Stones are sometimes used to build walls.
Natural materials
What is a process in which one or more substances are converted to one or more different substances?
Chemical reaction
How is paper made?
-A tree is cut down and taken to a factory. Then, it is transformed into wood chips. The wood chips are cut and then turned into a paste. The water is squeezed out of the paste. The paste is dried out and becomes paper.
A man-made material used to make objects
Synthetic material
Give the correct definition of synthetic material
a material that does not come from the natural world. It is manufactured by making chemical changes to raw materials.