unit 1.3

Question 1

What is a hypothesis, explain in detail

Answer 1

A prediction about what will or should happen in an experiment. It is in If, then, because format.

Question 2

What are the two main components of a scientific experiment

Answer 2

Control group and test group

Question 3

What is the control group and what is the importance of it

Answer 3

It is the group that is kept the same and is not changed at all. It’s purpose it to be something that it reliable to give true comparisons of.

Question 4

What is the test group

Answer 4

It is the group that is changed and is experimented on

Question 5

Match the independent and dependent variable to the test group and control group

Answer 5

Dependant = control
Independent = test

Question 6

What axis does the independent variable go on

Answer 6

x axis

Question 7

what axis does the dependent variable go on

Answer 7

y axis

Question 8

What is the purpose of the experiment

Answer 8

It is to prove a hypothesis or problem right or wrong.

Question 9

What are error bars used for.

Answer 9

they are used to see the true difference in the data sets because the mean or average is not always able to be trusted.

Question 10

What does overlapping error bars used for - give example

Answer 10

They are there to represent that the data is not really that far apart and if they aren’t overlapping there is a decent difference in the data. The error bars could overlap when the bars aren’t close due to an utliar but the data sets are precise with each other.

Question 11

Create a hypothesis about how a sunflower will grow with sunlight

Answer 11

The growth of a sunflower depends on the amount of sunlight it is given. If the sunflower is given at least 12 hours of moderate sunlight per day, then it’s growth will increase because plants need sunlight to increase in size.