Introduction to Polymers
This worksheet introduces Grade 10 students to the basic concepts of polymers, including their definition, classification, and examples.
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Introduction to Polymers
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Read each question carefully and provide your best answer. For multiple-choice questions, circle the correct option. For fill-in-the-blanks, write your answer on the line provided. For short-answer questions, use the space given.
1. Which of the following best defines a polymer?
A small molecule that reacts with other small molecules to form a larger molecule.
A large molecule composed of many repeated smaller units.
A substance that speeds up a chemical reaction.
A type of inorganic compound.
2. Which of the following is a natural polymer?
Polythene
Nylon
Starch
PVC
3. The small repeating units that make up a polymer are called .
4. The process by which monomers combine to form a polymer is known as .
5. Polymers can be broadly classified into two main types: natural and .
6. All plastics are polymers, but not all polymers are plastics.
True
False
7. Synthetic polymers are always biodegradable.
True
False
8. Give two examples of natural polymers and their corresponding monomers.
9. Explain the difference between addition polymerization and condensation polymerization.
Use the words below to complete the sentences.
10. Polymers are large molecules, also known as .
11. The building blocks of polymers are called .
12. Plastics are a common example of polymers.