Laboratory Safety 1
Scientific Method 1
Scientific Method 2
Scientific Method 3
Misc
100
What is the most important lab safety rule?
Follows the teacher's directions.
100
What is the first step of the scientific method?
Posing questions
100
Graphs are often used to show ____________ from the experiment.
Data
100
__________ is used when exact numbers cannot be used.
Estimation
100
The average of a set of data.
Mean
200
Safety Goggle symbol is for...
Eye Protection
200
During what stage of the scientific method is data taken?
Collect and interpret data
200
The middle number of a set data is the __________.
Median
200
Brown, green leaves, tall, none moving, birds, and birds nest are all ___________ observations.
Qualitative
200
20 inches, 40 minutes, 2 hours are all examples of ______ data.
Quantitative
300
True or False? Horseplaying is allowed in the lab?
False
300
When is a brief summary of the findings from an experiment given?
Conclusion
300
Data that involves numbers.
quantitative data
300
A forecast about the future.
Prediction
300
A factor that can change an experiment
Variable
400
If an accident occurs in the lab, what is the first thing a student should do?
Tell a teacher
400
A statement that is testable and an explanation for a scientific question.
Hypothesis
400
The variable that is purposely changed by the scientist
Manipulated or Independent Variable
400
The accepted value of a number or a measurement
Accurate
400
Explaining things based on prior knowledge or evidence
Inference
500
What does lab safety involve?
1. Knowing lab safety rules and symbols 2. Preparing for labs 3. Knowing how to use laboratory equipment. 4. Knowing what to do in case of an emergency
500
To test a hypothesis a scientist must_________.
Design an experiment
500
How many variables should be changed at a time?
One
500
The variable that changes due to the manipulated variable.
Responding or dependent Variable
500
Gathering information through seeing, hearing, touching, tasting, or smelling.
Observing or observation
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