16 questions
A possible explanation for a phenomenon in nature which can be tested is called a/an
scientific question
hypothesis
observation
inference
The variable chosen/manipulated by the experimenter to test in an experiment is the
controlled variable
independent variable
dependent variable
constant variable
When testing your hypothesis, how many independent variables should you be testing?
1
2
3
4
"The kitchen smells like cookies." This statement is a/an
quantitative observation
inference
qualitative observation
hypothesis
In an experiment testing the effect of different types of fertilizers on plants, one variable that should be kept constant is
the amount of fertilizer
the type of plant
the amount of sunlight
all of the above
A student would like to analyze how well her vegetable garden is growing. She has taken measurements of three different vegetables each day for a month, and would like to graph this data. Which type of graph would be most appropriate to display this data?
multiple bar graph
single bar graph
multiple line graph
single line graph
pie chart
What is the purpose of the Control Group?
To control the results
To make the experiment official
To test the constants
To be compared to the Experimental Group
A Theory is:
An explanation of something that is supported by lots and lots of evidence
An explanation of what is going to happen
A conspiracy
A hunch
Observations or data deal with numbers
Quantitative
Opinions
Qualitative
Numerical
Consider this image. Which of the following statements is a qualitative observationabout the image?
The jerseys are red.
There are two players in the picture.
The players are happy.
There are two helmets.
Consider this image. Which of the following statements is a quantitative observation about the image?
The jerseys are red.
There are two players in the picture.
One player is wearing yellow gloves.
The players are happy.
There are four helmets.
Which type of graph would be most appropriate to use if you wanted to show how the height of a person changed from birth until age 20?
None of the above
Which type of graph would be most appropriate to use if you wanted to compare the average height in each class (freshmen, sophomores, juniors, and seniors) at Pembroke?
None of the above
Which of the following would be an appropriate title for this graph (choose all that apply)?
How Hot Is It?
Average Temperature Over Twelve Months
A Look at Average Temperature Change Over One Year
How Much Rainfall Occurred Over Twelve Months
What is the Hottest Month?
Typically, graphs are made with the _____ variable on the X (horizontal) axis and the ____ variable on the Y (vertical) axis.
dependent; control
dependent; independent
independent; dependent
independent; control
Check all of the following that would be considered Qualitative Data
The color of the grass
The number of tomatoes on the plant
The time is takes for a dog to run 200m
The smell of an exotic flower