Scientific Method Practice Test

Review the following concepts if needed:

• Scientific Method and Chemistry Help

Scientific Method Practice Test

1. What was the first major demonstration of a chemical reaction that produced heat?

(a) mold

(b) fire

(c) ice

(d) earthquake

2. During the Dark Ages, alchemists

(a) promised to turn lead into gold

(b) were the first true experimenting chemists

(c) discovered crystallization and distillation procedures

(d) all of the above

3. A hypothesis is a

(a) container for performing experiments

(b) way to describe heat transfer between minerals

(c) sterile medical device

(d) statement or idea that describes or attempts to explain observable information

4. Which early scientist accurately described the configuration of the Sun, Moon, and planets in relationship to each other?

(a) Linus Pauling

(b) Claudius Ptolemy

(c) Nicolas Copernicus

(d) Leonardo da Vinci

5. An experiment is

(a) a controlled testing of the properties of a substance or system through carefully recorded measurements

(b) an uncontrolled testing of the properties of a substance or system through recorded measurements

(c) a one-time reporting of a few observable characteristics

(d) a bad choice brought on by peer pressure

6. Who is said to be the founder of the scientific method?

(a) Alexander Fleming

(b) Joseph Priestly

(c) Galileo Galilei

(d) Antoine Lavoisier

7. A theory

(a) accounted for a ruler’s need to produce gold from zinc

(b) is the result of sudden inspiration during a lightning storm

(c) predicts the outcome of new testing based on past experimental data

(d) is a type of atomic particle

8. John Dalton proposed the first theory on

(a) the rotation of the satellites around Saturn

(b) the characteristics of individual atoms and particles

(c) the complex interactions of solids when melted

(d) the neutralization of pH

9. A scientific law is best described as

(a) a series of rules made by representatives of the government

(b) a good idea that many people agree with voluntarily

(c) the transmutation of lead into gold

(d) a hypothesis or theory that is tested repeatedly with the same results and thought to be without exception

10. The law of partial pressures can be best described by the following equation:

(a) P _total = P ₁ + P ₂ + P ₃

(b) P _total = ( P ₁ + P ₂ )/ P ₃

(c) P _total = ( P ₁ + P ₂ )μ

(d) P _total = 2( P ₁ × P ₂ × P ₃ )

Answers

1. B

2. D

3. D

4. C

5. A

6. C

7. C

8. B

9. D

10. A