Name two pieces of protective gear you should wear in the lab.
Safety goggles, gloves, lab coat
100
This should always go at the top of your graph.
What is a title?
100
This is the first step of the scientific method.
What is the purpose or the problem?
100
This variable is the only thing that differs between your experimental and control group.
What is the independent variable?
100
This group represents the group that a scientist compares his results to.
What is a control group?
200
Name two pieces of lab safety equipment:
Fire extinguisher, safety shower, fire blanket, emergency exit, first aid kit, eye wash
200
This variable is always placed on the y axis.
What is a dependent variable?
200
Performing research is what step in the scientific method?
What is the second?
200
This variable is the one that is measured.
What is the dependent variable?
200
This is a statement that has been continually supported by scientific observations.
What is a theory?
300
Test tubes should always point___________________?
Away from you
300
This variable should always be placed on the x-axis.
What is the independent variable?
300
In this step of the scientific method, a scientist organizes his data into charts, tables, and graphs.
What is analyzing results?
300
These are all the variables that should be held constant between your experimental and control group.
What are control factors?
300
These are two ways to make an experiment more valid:
What is repeat the experiment, and increase sample size?
400
What should you do FIRST if an accident occurs in the lab?
Tell the teacher!
400
A student is graphing the change in atmospheric carbon dioxide levels over time. What should be placed on the x-axis?
What is time?
400
"If I expose geranium plants to blue light, then they will grow the tallest." This is an example of what?
What is a hypothesis?
400
"The effect of caffeine on test scores"
What is the independent variable?
What is caffeine?
400
In any study testing the effect of a new medication or drug on a group of people, the control group always received what?
What is a placebo?
500
True or False? Alcohol (a flammable liquid) should never be heated directly under and open flame.
TRUE
500
A student is studying the effect of different concentrations of salt solution on the height of plants. In a graph of the data, what variable should be placed on the y-axis?
What is plant height?
500
There should only be ONE of these in a controlled experiment.
What is an independent variable?
500
"The effect of soil pH on plant growth."
What is the dependent variable?
What is plant growth?
500
Even if a hypothesis is wrong, it may still lead to new questions and further research. This illustrates that the scientific method is a continuous _____________?