1.3 Study Guide

Question 1

What is a hypothesis

Answer 1

An idea or explanation that you then test through study and experimentation.

Question 2

How many steps are in writing a hypothesis?

Answer 2

2

Question 3

What is the first step of writing a hypothesis.

Answer 3

Come up with a specific reason that explains the phenomena.

Question 4

What is the second step of writing a hypothesis.

Answer 4

Write a testable statement.

Question 5

What is a independent variable and what axis does it go on?

Answer 5

The cause of the change in an experiment, x-axis

Question 6

What is a dependent variable and what axis does it go on?

Answer 6

The result of the change (independent variable), y-axis

Question 7

What is a control group and why is it important.

Answer 7

A group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This is important because it isolates the independent variable’s effect on the experiment.

Question 8

A biology class is experimenting how sunlight affects plant growth. Identify the dependent variable, independent variable, and control group.

Answer 8

Independent variable= amount of sunlight
Dependent variable= the growth of the plants
Control group= plants that did not receive sunlight

Question 9

what is standard deviation

Answer 9

Measure of variation from the mean

Question 10

why is there only one independent variable

Answer 10

so we know what caused the change in the experiment.