Nature of Science
Experimental Variables
Reliable Science
Data and Calculations
Savvy with Google Sheets
100

Any study begins with a question or ______.

observation

100

The variable that is manipulated in an experiment.

independent 

100

The name used to describe a set of participants in a study that will be used to compare with an experimental group.

control group

100

What is the symbol for the MEAN of a data set?

X

100

What does this symbol mean in Google Sheets?

Insert chart (graph)

200

The stage of an experiment in which the researcher looks closely at the collected data to determine its meaning.

Analysis


200

The variable that is measured in an experiment

dependent

200

Which test group in the graph has the largest variability in its data? 

Uric acid

200

What does the symbol "n" mean?

sample size
200

What will the following code allow Google Sheets to calculate? 

=stdev(....)

standard deviation

300
Give an example of quantitative data.

Any data with a number

300

You want to determine if your dog's digestive system will respond better to lamb or salmon.

What is the independent variable?

The food (lamb or salmon)

300

What is the apparent result of this experiment? 

Anxiety lowers over time, particularly with a dog.

300

What is the standard error of a study with a sample size of 16 and a standard deviation of 1.0?

0.25 

300

What is the code that will allow you to determine how large your sample size is?

=count(...)

400
Name a control group for the following experiment:

Three plants are tested for impacts of fertilizer on growth.

No fertilizer

400

If I use Oil of Olay rather than Nuetrogena face wash daily, then I will have less oily skin after two weeks.

What is the dependent variable?

Skin (oily or not)

400

How many variables can you manipulate in a reliable experiment?

One

400

What is the median and mode of the following number set:

5, 7, 6, 11, 8, 10, 11


Median: 8    Mode: 11

400

Which biostats calculation do you have to manually create a code for in Google Sheets?

standard error

500

Why didn't you get to see the bottom of the mystery cubes on Day 2 of class?

You will never have EVERY piece of evidence in science...

500

What would be the independent and dependent variable to test the following question:

Do various levels of CO2 gas affect the rate of respiration for a plant?

IV: CO2 levels     DV: respiration rate
500

Brandy wants to know if playing music helps her study. She studies for her English test without music and studies for her Math test with music. Then she compares the scores of each test.

Why is this NOT reliable?

Changed too many variables (music and test)

500

What does the symbol below mean?

Summation (Sum)

500

In order to create a graph with multiple colors for each mean, what item needs to be selected in the Chart Editor Setup tab of Google Sheets?

Switch rows/column

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