Unit 1 Experimental Design IV

Question 1

Testable question

Answer 1

A testable question is a question that can be answered by designing and conducting an experiment.

Question 2

Non-testable question

Answer 2

Questions that cannot be answered by direct observation or by evidence gathered through experimental inquiries.

Question 3

Quantitative

Answer 3

Relating to an amount that can be measured. (number)

Question 4

Qualitative

Answer 4

Relating to the nature or standard of something. (description)

Question 5

Trials

Answer 5

A tryout or experiment to test quality, value, or usefulness.

Question 6

Observation

Answer 6

The action or process of carefully watching someone or something.

Question 7

Empirical evidence

Answer 7

Empirical evidence is any information you can collect through the processes of observation or investigation.

Question 8

Data

Answer 8

Data is any collection of facts, statistics, or information gathered and stored for various purposes.

Question 9

Model in science

Answer 9

A representation of an object, organism, system, or process.

Question 10

Analogy

Answer 10

An analogy is a comparison between two things that shows how they are in some sense structurally similar.

Question 11

Prototype

Answer 11

The original or model on which something is based or formed.

Question 12

Hypothesis

Answer 12

An educated guess as to what will happen during your experiment.

Question 13

Variable

Answer 13

Any factor that can be controlled, changed, or measured in an experiment.

Question 14

Procedure

Answer 14

The procedure is a detailed, step-by-step list of everything you will do in your experiment, including the materials and methods you will use.

Question 15

Precision

Answer 15

Precision refers to the closeness of two or more measurements to each other.

Question 16

Accuracy

Answer 16

How close a measurement is to the true or accepted value.

Question 17

Scientific method

Answer 17

The process of observing, asking questions, and seeking answers through tests.

Question 18

Control

Answer 18

An element that remains unchanged or unaffected by other variables.

Question 19

Constant

Answer 19

The part that doesn’t change during the experiment.

Question 20

Predict

Answer 20

A guess, sometimes based on facts or evidence, but not always.

Question 21

Infer

Answer 21

The process of drawing conclusions based on evidence and reasoning.

Question 22

Independent variable

Answer 22

A variable that stands alone and isn’t changed by the other variables you are trying to measure.

Question 23

Dependent variable

Answer 23

The variable that is being measured or tested in an experiment.

Question 24

Manipulated variable

Answer 24

A factor that is purposefully and specifically changed by the experimenter.

Question 25

Responding variable

Answer 25

Something that “responds” to changes you make in an experiment

Question 26

Sample size

Answer 26

The number of participants or observations included in a study - population.

Question 27

Validity

Answer 27

Scientifically accurate information that is used in an unbiased way to convey a biological idea.

Question 28

Trends in data

Answer 28

The general change in a variable with time.

Question 29

Correlation

Answer 29

A statistical measure of the relationship between two variables.

Question 30

Variability

Answer 30

The tendency at which traits in that population may vary.

Question 31

Mass

Answer 31

The amount of matter or substance that makes up an object.

Question 32

Volume

Answer 32

The amount of space the object takes up.

Question 33

Weight

Answer 33

It is the measure of the force of gravity acting on a body.

Question 34

Percent

Answer 34

A number that tells us how much out of 100.

Question 35

Rate

Answer 35

A quantity calculated with regard to another measured quantity.

Question 36

Ratio

Answer 36

A ratio compares one thing to another thing.

Question 37

Line graph

Answer 37

A line graph is used to display information which changes over time. It is plotted on a graph as a series of points joined with straight lines.

Question 38

Bar graph

Answer 38

A type of graph in which each column represents a categorical variable.

Question 39

Pie graph

Answer 39

A type of graph that represents the data in the circular graph.

Question 40

Scatter plot

Answer 40

A scatter plot uses dots to represent values for two different variables.

Question 41

Claim

Answer 41

A statement or conclusion that answers the original question/problem.

Question 42

Evidence

Answer 42

Anything that can be used to prove something.

Question 43

Reason

Answer 43

An explanation for why something is they way it is or why a particular action was taken.

Question 44

Theory

Answer 44

A broad explanation for events that is widely accepted as true.

Question 45

Bias

Answer 45

Any factor that causes distortion of genetic predictions.