purpose

Question 1

purpose

Answer 1

what do you want to learn from the experiment

Question 2

research

Answer 2

what is already known about the topic

Question 3

hypothesis

Answer 3

what do you think will happen in an experiment

Question 4

procedure

Answer 4

how will you test this hypothesis and record this data

Question 5

analysis

Answer 5

what do the results tell about the experiment

Question 6

conclusion

Answer 6

do the results support your hypothesis

Question 7

variables

Answer 7

in an experiment, these are the parts of the experiment that are changed. also called factors, traits, or conditions.

Question 8

dependent variable

Answer 8

the factor that responds to change is measured and recorded.

Question 9

independent variable

Answer 9

the factor that is changed in the experiment

Question 10

experiment

Answer 10

the experiment is a test designed to answer the question stated in the purpose

Question 11

experimental group

Answer 11

this group includes the part or parts of the experiment that is changed or tested

Question 12

control group

Answer 12

this group includes the part or parts of the expierment that are left unchanged

Question 13

data

Answer 13

data is a record of the results

Question 14

materials

Answer 14

materials are a list of items needed to conduct the experiment

Question 15

average

Answer 15

adding all the numbers in a set and dividing by how many numbers are in that set

Question 16

mean

Answer 16

the average of a set of numbers

Question 17

median

Answer 17

the value directly in the middle of the set of numbers

Question 18

mode

Answer 18

the value that occurs more frequently

Question 19

graph

Answer 19

the graph gives an overview of the information being presented in the graph

Question 20

horizontal axis

Answer 20

the factor that is changed or tested by the experimenter

Question 21

vertical axes

Answer 21

the factor that responds to the change

Question 22

scale

Answer 22

the range of numbers being represented is placed at equal intervals along the vertical axis

Question 23

line graph

Answer 23

a line graph is used to show changes over time

Question 24

bar graph

Answer 24

a bar graph uses bars to show the relationship among the variables

Question 25

circle graph

Answer 25

a circle graph is used to show percentages or fractions of the whole