Variables
Data
Hypothesis
Graphs
Bonus
100

What is the independent variable?

the variable that the experimenter changes

100
What is quantitative data?
Data that can be measured...an amount or QUANTITIY.
100

What is the proper format for a hypothesis?

If (I.V.), then (D.V.) (make a prediction.

100

What does a line graph show?

the change of one piece of information as it relates to another.

100

What does the prefix "micro" mean?

small, minute

200

What is the dependent variable?

The variable that is measured to find the change

200
What is qualitative data?
Data that describes the characteristic (or QUALITY) of something.
200

How is a theory different from a hypothesis?

A theory is a well supported broad range idea and a hypothesis is testable for a specific scenario.

200
When is a bar graph used?
to show a comparison among different categories
200

What does the word "Biology" mean?

The study of life.

300
What is the controlled variables?
the variables that are held constant between the two test groups.
300

How do you set up a t-chart or data table? (What goes in each column?)

I.V. in the first column and the D.V. in the second column.

300

When is pie chart used?

Used to show parts of a whole.

300

What is the lense that magnifies 4x called?

Scanning Power

400

What are the two test groups in a controlled experiment?

control group and an experimental group

400

How does the data table relate to the graph?

How do you set up a graph? (What is the x-axis, what is the y-axis?)

the I.V. is the x-axis and the D.V. is the y-axis

400
How is the scale determined for the graph?
highest value needed/number of spaces available
400

Wat are the primary lenses that magnify the specimen called?

Objectives

500
Identify the variables that would test the following scenario: Mrs. Zukowski noticed that when she puts olive oil on her hands she does not get dry skin in the winter. What would be the controlled variable(s) for your experiment?
Olive oil = I.V. Dry Skin= D.V. Controlled variables= same temperature, same amount of washing, same exposure to the wind.
500

Write a hypothesis for the following data Plant Height in Centimeters with different color light. Red - 2, light green - 1.4, light Blue - 1.8, light White - 1.8

If a plant received red light, then it will grow taller.

500

Form a hypothesis for the following statement- Echinacea has an effect on the duration of a cold.

If a person increases their Echinacea intake, then there will be a decrease in the duration of a cold.

500
What MUST be present on all graphs?
title, units, labels, equal scale for each axis, key (legend)
500

What are the 5 characteristics that all life has in common?

Made of cells, Reproduce, Grow and Develop, Use energy, Responds to the Environment

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