Something that remains the same throughout the experiment to keep the results consistent
What is a constant (or control variable)
100
The build a good experiment, you should look at ______ variable(s) at a time
What is ONE
100
What do you wear in lab to protect your eyes?
What are goggles
100
What type of footwear is appropriate for lab?
What are closed toed shoes
100
Name a constant in the bubble gum experiment
What is the person chewing, the time chewed etc.
200
The proposed explanation to the problem
What is the hypothesis
200
True or false : you Hypothesis must ALWAYS be written as an If/Then statement
What is FALSE
200
TRUE or FALSE : It's okay to take your goggles off when you're in the lab, but not close to the experiment going on
What is FALSE
200
If you are on fire, what do you do?
What is roll around to smother the flames, or use the safety shower
200
A student is testing fertilizer and applies three different types to three of the same species of plant. The last plant does not get any fertilizer. He measures the growth.
What is the Independent variable?
What is the three types of fertilizer
300
The variable that is controlled by the scientist which will cause the result to occur:
What is the independent variable
300
In the scientific method, what is the FIRST thing that occurs?
What is an OBSERVATION
300
TRUE or FALSE When pouring liquids it's best to pour slowly.
What is FALSE!!!
300
True or False: To clean up, you should pour everything carefully down the sink
What is FALSE - check with your instructor
300
In the bubble gum experiment, what was the dependent variable?
What is the size of the bubbles blown
400
The variable that is measured and observed
What is the dependent variable
400
Fill in the blank for the order of scientific method
Observation,question, hypothesis, ___________, analysis of results, conclusion
What is EXPERIMENT
400
The best way to put out a fire in the lab is
What is use the fire extinguisher, or the safety shower
400
The place to look for information on a chemical
What is the MSDS (material safety data sheet)
400
The texture and flavor of the bubble gum was considered _________ data
What is qualitative
500
The group in the experiment which has no independent variable applied to it - to show a "baseline"
What is the control group
500
A scientist noticed that brown moths migrate in the winter. This is an example of a(n)
What is an observation
500
If you spill a large amount of chemicals on your pants, what should you do?
What is TAKE THEM OFF !!!
500
What is the biggest cause of injury in the lab?
What is broken glass
500
The size of the bubbles blown was considered the ______ data