Chapter 1

Question 1

Scientific Method

Answer 1

1. Observe
2. State the problem
3. Make the hypothesis
4. Test hypothesis/make an experiment
5. Record the data
6. Form a conclusion
7. Communicate the results

Question 2

Scientific law

Answer 2

process in nature that can be tested by repeated experiments

Question 3

Scientific theory

Answer 3

explains HOW a natural process works

Question 4

Metric System

Answer 4

is universal, based on 10s, easy to convert, has no fractions (move decimal), and also called SI (System International)

Question 5

Metric Conversions

Answer 5

1000 100 10 1 0.1 .001 .0001

kilo hecto deka base deci centi milli

Question 6

Sig Dig Rule 1

Answer 6

any number > 1 with decimal = all significant digits

Question 7

Sig Dig Rule 2

Answer 7

any number > 1 withOUT decimal = all significant digits EXCEPT zeroes at end

Question 8

Sig Dig Rule 3

Answer 8

any number < 1 with decimal = all significant digits STARTING at first nonzero digit

Question 9

Independent variable

Answer 9

variable that’s purposefully manipulated in experiment (on x-axis)

Question 10

Dependent variable

Answer 10

variable that changes depending on what happens to independent variable

Question 11

Constant

Answer 11

things in an experiment that are never manipulated/changed

Question 12

Control

Answer 12

a trial of an experiment where no variables are manipulated that’s compared to a trial that has variables that are manipulated

Question 13

Quantitative observation

Answer 13

involves numbers, amount of something, volume/mass/length, cost, distance

Question 14

Qualitive observation

Answer 14

texture, color, longevity, taste, sound, etc