True or False
A natural material is a kind of technology?
False
As the consumption of synthetic materials goes up, the negative impact on this celestial body also increases.
The Earth
Which of the following is a natural material?
A. Cement
B. Cotton
C. Polyester
D. Nylon
B. Cotton
The material from which a substance is or can be made
Material
True
What natural material is most often used to make paper?
Wood
Which of the following is a synthetic material?
A. Wool
B. Silk
C. Rubber
D. Steel
D. Steel
Any physical matter that is obtained from plants, animals, or the ground
Natural Material
The properties of synthetics materials are different from the natural materials from which they are made because they have undergone a chemical process.
True
This is a major negative result of clearing a rainforest to grow crops like palm oil.
Loss of animal habitats
Which of the following is NOT a characteristic that helps define synthetic materials?
A. Made from natural resources
B. Underwent a chemical reaction
C. Made to fit a specific function
D. Made using metal
D. Made using metal
A materials obtained from a natural material that has undergone a chemical reactions
Synthetic Material
Polyester and nylon are examples of synthetic materials called ceramics.
False
Which of the following is NOT a factor that limits the production of synthetic materials?
a. Natural resource availability
b. Regional climate
c. Regional economic factors
d. Creation of waste
d. Creation of waste
Synthetic materials ______________________________.
A. have only negative effects on the environment
B. are obtained directly from nature
C. have undergone chemical reactions
D. have no similarity to materials in nature
C. have undergone chemical reactions
The practical use of scientific knowledge, especially for industrial or commercial use
Technology
When synthetic materials are made from natural materials, the atoms that make up the original substances are regrouped into different atoms.
False (Atoms are regrouped or rearranged, but they do not turn into different atoms)
While ethanol-blended gasoline reduces petroleum dependency, it has the negative side effect of increasing this type of air pollution.
Smog
Polyester, nylon, acrylic, and acetate are all examples of ____________.
A. polymers
B. composited
C. rayons
D. natural materials
A. polymers
A secondary product that results from a manufacturing process or chemical reaction
By-product