Intro Chemistry

A deli owner asked 100 customers with a history of bad breath to try his new breath mint. He had 50 customers (Group A) eat a breath mint after they finished eating a sandwich The other 50 (Group B) did not receive a mint after they finished eating their sandwich.           Which people are in the control group?

• Group A

• Group B

The branch of chemistry that studies the processes that take place in living organisms like photosynthesis or metabolism

• physical chemistry

• analytical chemistry

• biochemistry

The branch of Chemistry Concerned with the mechanism, rate, and energy transfer that occurs when matter undergoes a change

• analytical chemistry

• physical chemistry

• organic chemistry

The branch of chemistry that studies of all chemicals containing carbon

• organic chemistry

• inorganic chemistry

• physical chemistry

What is the step in the scientific method where you summarize your data and discuss what it means?

• observation

• conclusion

• data analysis

• hypothesis

The branch of chemistry that studies  chemicals that, in general, do not contain carbon

• organic chemistry

• inorganic chemistry

• biochemistry

Which field of science studies the composition and structure of matter?

• physics

• biology

• chemistry

Which of the following would a chemist be most likely to study?

• a leaf floating on water

• a leaf changing color in autumn

• a leaf being eaten by insects

Fertilizer put on plants increases plant growth. Fertilizer is the

• control

• independent variable

• dependent variable

• constant

Which of the following statements is false?

• Knowledge of chemistry allows the public to make informed decisions.

• Studying chemistry ensures that officials make correct choices in funding technology.

• Chemistry explains many aspects of nature.