Nature Of Science 8/27/15

Question 1

Process of gathering info about events or processes; uses the “senses”

Answer 1

Observations

Question 2

What deliberately gets changes

Answer 2

Independent variable

Question 3

What gets changed as a result of the independent variable

Answer 3

Dependent variable

Question 4

Data that can be measured and written down in numbers

Answer 4

Quantitative

Question 5

Data that is descriptions/observations but not numbers

Answer 5

Qualitative

Question 6

Characteristics of Life? Living things are…

Answer 6

Made up of cells
Reproduce
Based on an universal genetic code
Grow and develop
Obtain and use materials and energy
Respond to their environment
Maintain stable internal environment
Change over time (as a group)

Question 7

Used for comparison and does not receive any treatments

Answer 7

Control Group

Question 8

Proposed scientific explanation for a set of observations (educated guess)

Answer 8

Hypothesis

Question 9

A well tested explanation that unifies a broad range of observations

Answer 9

Theory

Question 10

Decimal system of measurement whose units are based on a certain physical standards and are scaled on multiples of 10

Answer 10

Metric System

Question 11

Group where something is deliberately changed

Answer 11

Experimental group

Question 12

Steps for scientific method:

Answer 12

a) state the question/problem
b) research (background info)
c) make a hypothesis
d) design the experiment
e) collect data
f) analyze data (graphs)
g) draw a conclusion

Question 13

Find the control group in an experiment (what is a control group?)

Answer 13

Group where factors aren’t changed

Question 14

Qualitative vs Quantitative?

Answer 14

Qualitative = data that is descriptions/observations without numbers

Quantitative= data measured in numbers

Question 15

Basic units of weight, volume, and length

Answer 15

Grams
Liters
Meters

Question 16

Value and abbreviations of:

Kilo, Centi, Milli, Micro

Answer 16

Kilo: K / 1000
Centi: c / 100 (10^-2)
Milli: m / 1000 (10^-3)
Micro: µ / 1,000,000 (10^-6)