Introduction to Chemistry

Introduction to Chemistry

by William Lovering

Multiple Select

Matter is anything that has both

• mass

• energy

• volume

• speed

Multiple Choice

The word "atom" and earliest recorded idea that there is a smallest piece of something is usually credited to

• Lavoisier

• Dalton

• Democritus

• Priestley

Multiple Choice

Branch of chemistry that deals with carbon compounds, especially hydrocarbons.

• Inorganic Chemistry

• Physical Chemistry

• Organic Chemistry

• Analytical Chemistry

Multiple Choice

Chemistry research that focus on theoretical explanations and mathematical predictions is

• Pure Chemistry

• Applied Chemistry

Multiple Choice

Which of the following would not be a scientific question?

• Why does the Earth move around the Sun?

• How do offspring inherit traits from their parents?

• Is the Loch Ness Monster a creature that lives in a Scottish Lake?

• Is Lord of the Rings a better movie than Star Wars?

Multiple Select

Which of the following are good science practices?

• Sharing your data with others

• Only selecting the data that supports your hypothesis

• Reporting results that show your hypothesis is incorrect

• Keep doing the experiment until you get results that support your conclusion.

Multiple Choice

Which of the following would be the most reliable source of information about a virus that is spreading?

• A researcher that specializes in the immune system at the NIH

• An doctor of anesthesiology at a prestigious University.

• A politician elected during the last election who was CEO of an insurance company.

• A celebrity that was infected by the virus and claims it wasn't as bad as people say.

Multiple Choice

A company introduces a new wrist band with magnets that is supposed to increase your strength. Your cousin has one and tells you that it worked great and he could really tell a difference. You find a scientific journal article where they tested it with 500 volunteers and found no benefit. You also find a website that presents both arguments. What conclusion is most likely true?

• The bracelets work because your cousin told you directly.

• There is not enough information for either side, so you should just decide based on your opinion.

• The bracelets probably do not work and would be a waste of time and money.

Multiple Choice

A new medicine is introduced. Many people are worried because it is brand new. A famous scientist that works on creating new drugs comes out and says that he's worried it isn't safe. There are multiple research papers showing the safety trials in which 50,000 people were given the drug with no major side effects. There are claims on the internet that it makes some people sick, but no evidence supports the claims. Given this information, what conclusion is most reasonable?

• The drug probably makes people sick but the company is covering up the information.

• The drug probably does not make people sick because there is no evidence it does.

• The drug should be avoided because an expert said he is concerned with its safety.

Multiple Choice

A group of 10,000 experts from every country, every religion, and every political view are gathered together to reach a conclusion about a problem. In the end, 9,500 agree with conclusion A, while 500 agree with conclusion B. Which statement is most reasonable.

• Conclusion A is more likely to be correct because most experts agree.

• Conclusion A is definitely correct because the majority of experts agree.

• Conclusion A and Conclusion B are equally likely to be true because not everyone agrees.

• Conclusion B is most likely to be correct because otherwise nobody would go against the majority.