Lesson 8 - Experiments

Question 1

Experiment

Answer 1

a test, trial, or procedure carried out for the purpose of testing a hypothesis

Question 2

Hypothesis

Answer 2

an educated guess about the result of an experiment

Question 3

Controlled experiment

Answer 3

an experiment in which all factors are kept the same, except the one to be tested (For example, the temperature, water, sunlight, and soil are all the same for each plant in a singular experiment.)

Question 4

Factor

Answer 4

part of an experiment that can affect other parts of the experiment (Soil, wind, water, and sunlight are all factors in the previous plant experiment.)

Question 5

Variable

Answer 5

one factor of the experiment that is changed in order to observe what happens (If one plant is placed in the dark, the variable is the lack of sunlight on that one plant.)

Question 6

Control group

Answer 6

the subjects in the experiment that have all of the exact same factors (In Marcos’ experiment, all the plants that are in the sunlight make up the control group.)

Question 7

Experimental group

Answer 7

the subject or subjects that have the variable factor (the plants in the dark)

Question 8

average

Answer 8

a value that shows a typical or normal result of an experiment

Question 9

conclusion

Answer 9

a reasoned judgment based on collected data

Question 10

variable

Answer 10

one factor of the experiment that is changed in order to observe what happens.