WorksheetsUnit 0: Identifying Variables and Experimental Design
Total questions: 20
Worksheet time: 3hrs 44mins
This is the manipulated variable, or the variable you change.
On a graph, which axis usually shows the independent variable?
X-axis
Y-axis
Neither
Mr. Badalof is conducting an experiment about his students. He claims that different types of clothes have an impact on student test scores.
What is the independent variable in his experiment?
Types of clothes
Student test scores
Mr. Badalof's jokes
Mr. Badalof's haircut
Independent variable
Dependent variable
Conclusion
A 100 year old women named Mary claims that diet reduces disease. What is the dependent variable (thing she is measuring) in her experiment?
Diet
Reduces
Exercise
Disease
A researcher want's to know which Mexican restaurant has the best tasting Pozole Rojo.
He picks two of the best restaurants in Oxnard.
1. At restaurant 1 he orders Pozole Rojo and it comes out hot.
2. At restaurant 2 he orders Pozole Rojo and it comes out cold.
He decides that Restaurant 1 has the best Pozole Rojo.
What is wrong with this experiment?
He should have had Pozole Verde
He has two independent variables: restaurants and temperature of Pozole
He needed to have it during a big party.
He needed to have two different people taste it.
A car maker is trying to figure out which tires are best for making a car stop quickly. Select ALL the fixed variables/ constants (things to keep the same) in his experiment and trials.
Type of tire
Road conditions (Wet / Dry)
Speed of the car before stopping
Type of car
The angle of the road (uphill, downhill, flat)
If glass equipment is broken you should do what first?
Pick up the glass so no one gets hurt
Tell the custodian
Tell your teacher
How much volume is in the graduated cylinder?
10 ml
5 ml
20 ml
50 ml
How much volume is in the graduated cylinder?
55 mL
43 mL
50
100 mL
What is the volume of water in the beaker?
81 ml
85 ml
90 ml
100 ml
kilometer
millimeter
meter
centimeter
Report any accidents during a lab to your teacher ______________.
later
immediately
tomorrow
after you are done working
