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Oak National Academy
12 questions
Which of the following three properties make polymers useful for making plastic water bottles?
Plastics are polymers, but not all polymers are plastics. Which of the following materials are classified as polymers?
Models are used in science to test ideas without facing practical or ethical issues. However, they have ___, such as only representing one aspect of a concept rather than the whole.
Match the following key terms to their definition.
Which of the following properties of rubber makes it useful for making rubber bands?
Consider ice, water, and water vapour. The atoms and molecules are held together differently and with varying strengths. What happens at the boiling point when water turns to water vapour?
Match the following key terms to their definition.
Materials can be natural or synthetic. Natural means they occur in nature. Synthetic means they are ___.
Polymers can be represented with models. Which list correctly describes the image with three polymer models, from left to right?
Match the following key terms to their description.
Cross–links in polymers make it harder for polymer molecules to slide past each other. ___ in between polymer chains push the long molecules apart so that forces of attraction are weakened.
A chemical bond is a strong force that holds atoms together in a compound. A chemical bond takes a lot of energy to overcome and break.Which of the following statements are correct?
