Lab Safety
What are three things you should wear when working with chemicals?
Goggles, apron, gloves
What is a prediction?
A forecast of what will happen in the future
What is the first step in the scientific method
Observation
What are the three types of graphs we discussed in class
Bar, Pie, Line
What is a dependent variable?
Variable you are measuring
True or False: You should make sure you understand and have read the lab instructions before entering the lab
True
Name the five senses you utilize for observation
Sight, smell, touch, taste, hearing
What is the last step in the scientific method
Communication
Define mean
Average
What is an independent variable?
The variable you are manipulating
True or False: It is ok to sniff a chemical directly to see what it smells like
False
Define Classification
This is a tentative, testable statement describing what you think is going to happen during your experiment.
Hypothesis
What is the mode in this set of numbers
2, 3, 10 , 6, 6, 6, 6, 2, 2, 4, 2, 2
2
What is the experimental group?
The group receiving the variable you are testing
True or False: It is ok to work alone during an experiment if your lab partner is not here
False
What is an inference?
Explain or interpret things you observe
What is the point of the research component of the scientific method?
Educate yourself about the topic, see what is already done about the topic, find methodology that already exists
What are the steps you need to find your median if you have an even amount of numbers?
1. Line numbers up from least to greatest
2. Find the mean of the two middle numbers
What is the control group?
The group receiving normal conditions
What should you do if you break glass in the lab?
Tell me immediately
Name the 4 scientific attitudes
Open minded, curiosity, creativity, honesty
This is a summary of what you found during your experiment
Conclusion
What axis does the independent variable go on? What axis does the dependent variable go on?
Independent = x axis
Dependent = y axis
What is a constant?
A variables that remains the same