Question

chem ch 1 scientific method / measurement test - aug 2020
choose the best answer for each question. record your answers on another sheet of paper, neatly writing just the number and letter of your choice.

1. what is the science of matter and its changes called?

a. biology
b. ecology
c. chemistry
d. physics

1. the measure of the amount of matter in an object is the

a. weight
b. volume
c. mass
d. pressure

1. what is the si (metric) base unit for mass?

a. gram
b. kilogram
c. meter
d. liter

1. density is found by using which of the follow formulas?

a. volume divided by mass
b. (experimental - theoretical) divided by theoretical x 100
c. weight divided by time
d. mass divided by volume

1. what is the 3rd step in the scientific method? (given in cloud on handout)

a. state the problem
b. test the hypothesis with an experiment
c. form a hypothesis
d. collect data and make observation
e. analyze the data and form a conclusion

1. what type of graph shows the proportional parts of a whole?

a. line
b. circle
c. bar
d. histograph

1. when you apply specific concepts such as experimental data to general situations to form a conclusion, you are using

a. deductive reasoning
b. inductive reasoning
c. mathematical reasoning
d. unscientific reasoning

1. which of the following never changes no matter what the force of gravity?

a. mass
b. weight

Explanation:

1. Chemistry studies matter and its changes.
2. Mass measures matter amount.
3. SI base - unit for mass is kilogram.
4. Density = mass/volume.
5. 3rd step in scientific method is form hypothesis.
6. Circle graph shows parts of a whole.
7. Applying specific concepts to general is inductive reasoning.
8. Mass is constant regardless of gravity.

Answer:

1. c. Chemistry
2. c. Mass
3. b. Kilogram
4. d. Mass divided by volume
5. c. Form a hypothesis
6. b. Circle
7. b. Inductive reasoning
8. a. Mass