Unit 1 Exp Design EJR

Question 1

Testable-Question

Answer 1

A Testable-Question is a question that can be answered through experiments

Question 2

Non-testable- Question

Answer 2

A question that can not be answered with an experiment

Question 3

Quantitative

Answer 3

measuring something by how many rather than quality

Question 4

Qualitative

Answer 4

Measuring something on how good the quality is.

Question 5

Trials

Answer 5

Experiments to test quality, value, or usefulness.

Question 6

Observation

Answer 6

noticing and understanding info from a primary source

Question 7

Empirical evidence

Answer 7

gaining info through observing and documenting certain behavior and patterns

Question 8

Data

Answer 8

facts and statistics collected together

Question 9

Models in science

Answer 9

a model that has something to do with science

Question 10

Analogy

Answer 10

a comparison between 2 scientific concepts

Question 11

Prototype

Answer 11

used as the standard of measurement for the product

Question 12

Hypothesis

Answer 12

a bias made with limited info used as a starting point

Question 13

Variable

Answer 13

any factor, trait, or condition that can be different amounts or types

Question 14

Procedure

Answer 14

the official way of doing something

Question 15

Precision

Answer 15

how close they are but not how correct they are

Question 16

Accuracy

Answer 16

how correct but not how close

Question 17

Scientific method

Answer 17

the way of doing things in the correct order

Question 18

Control

Answer 18

an element that is unchanged and stays the same and is not effected by the other variables

Question 19

Constant

Answer 19

the factors that don’t change

Question 20

Predict

Answer 20

a outcome of a scientific test based on logical reason about a scientific idea

Question 21

Infer

Answer 21

drawing conclusions based on evidence and reasoning

Question 22

Independent variable

Answer 22

the variable that can be changed and manipulated

Question 23

Manipulated variable

Answer 23

a factor that is meant to be changed by the experiment

Question 23

Dependent variable

Answer 23

the variable that stay the same

Question 24

Responding variable

Answer 24

factor that is measured as a result of the effects of the manipulated variable

Question 25

Sample size

Answer 25

a small amount of something

Question 26

Validity

Answer 26

how accurate a method measures what it is intended to measure

Question 27

Trends in data

Answer 27

the general change in a variable with time

Question 28

Variability

Answer 28

not being consistent

Question 29

Weight

Answer 29

the quantity of matter contained by it/how heavy something is

Question 29

Correlation

Answer 29

how something goes together/ how they connect/correlate

Question 30

mass

Answer 30

measure of amount of material it contains

Question 31

Volume

Answer 31

amount of space that a substance or object occupies

Question 32

Percent

Answer 32

by a specified amount in or for every hundred.

Question 32

rate

Answer 32

a measure, quantity, or frequency, typically one measured against some other quantity or measure.

Question 33

ratio

Answer 33

the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

Question 34

Line graph

Answer 34

a display of info that changes and is connected with a line

Question 35

bar graph

Answer 35

its a graph that displays info in numerical values by height or length

Question 36

scatter plot

Answer 36

a graph that shows values of two variables plotted along two axes the pattern of the resulting points showing any correlation

Question 36

pie graph

Answer 36

a graph that is usually made of percentages

Question 37

claim

Answer 37

a generalization based on a reported statistically significant effect

Question 38

evidence

Answer 38

information collected by scientific methods that can change their belief in the truth

Question 39

reason

Answer 39

why you believe that something happened

Question 40

bias

Answer 40

what someone believes and what the truth is

Question 40

theory

Answer 40

an explanation of an aspect of the natural world that can include laws, hypotheses and facts.