The Nature of Chemistry Answers

Identify each statement below as an example of science or pseudoscience. science✔ pseudoscience If food dropped on the floor is picked up within 5 seconds, it is okay to eat.

✔ sciencepseudoscience Cigarette smoking is linked to cancer.

science✔ pseudoscience Magnets can cure arthritis.

statement 1✔ statement 2

✔ statement 1X statement 2

In each case below, indicate whether the statement describes correctly how chemistry played a role in its development. ✔ yesno Chemical synthesis of drugs allowed development of cancer treatments that save lives.

In each case below, indicate the type of effect described as beneficial, harmful, or both beneficial and harmful.beneficialX harmful✔ both beneficial and harmful Nuclear power plants generate electrical power without adding greenhouse gases to the atmosphere, but are vulnerable to natural disasters such as tsunamis and earthquakes.

beneficial✔ harmfulboth beneficial and harmful Some illicit drugs are manufactured with homemade equipment in makeshift labs.

In the case below, indicate the person or group that should have the authority to decide how to resolve the problem.A pesticide allows strong profits for a farm business, but it has made its way into local streams and rivers where it is killing fish.

In each case below, indicate the person or group that should have the authority to decide how to resolve the problem.A disabling disease that affects a very small number of children might be cured if a drug could be developed, but no drug company takes up the call for action.

In each case below, indicate the person or group that should have the authority to decide how to resolve the problem.A new weapon has been developed that can be made by anyone from materials purchased online.

✔ yesno Experimentation with corn and other crops led to the development of new fuels called biofuels.

beneficialharmful✔ both beneficial and harmful Teflon, which allowed for the invention of nonstick cookware in the 1960s, has been linked to organ damage in laboratory animals.

yes✔ no Lab testing to determine the effects of newly synthesized substances on bacteria allowed the development of Google and other Internet search engines.