Ch. 3 Lesson 1
Ch. 3 Lesson 2
Ch.3 Lesson 3
Ch. 3 Lesson 4
Ch. 3 Lesson 5
100
On the Celsius scale, what does water boil and freeze at?
What is freeze at 0 degrees and boil at 100 degrees?
100
When you add up all the numbers in a set then divide the sum by the total number of values, it is called?
What is mean?
100
What would use to help you see what the data from an experiment mean?
What is a graph?
100
Input is the material or ______________ that goes into a system.
What is energy?
100
Who is the first person you should tell when an accident occurs?
Who is the teacher?
200
What definiition is the measure of how much mass is contained in a given volume?
What is density?
200
What do you call the middle number in a set of data?
What is median?
200
A graph in which the data points do not fall along a straight line is called a(n) ______________ graph.
What is a nonlinear?
200
Output that changes a system in some way is called ___________________.
What is feedback?
200
After working in the lab, it is very important to do what?
What is wash your hands?
300
What number is the metric system based on?
What is 10?
300
A reliable measurement is both accurate and ________________.
What is precise?
300
What variable do Scientists control changes?
What is the manipulated variable?
300
What do Scientists use to understand things they cannot observe directly?
What are models?
300
One way you can prepare for an accident in the lab is to know what ahead of time?
What are first-aid procedures?
400
If an object is less dense than the surrounding liquid, it will ________________.
What is float?
400
A low percent error indicates that the result you obtained is
What is accurate?
400
What type of graph do data points yield a straight line?
What is linear?
400
A(n) _______________ model might include a drawing or a three-dimensional object.
What is physical?
400
What is the purpose of safety symbols?
What are that the symbols that alert you to possible sources of accidents in an experiment?
500
What do they use to meausre mass?
What is a balance?
500
There are many times when Scientists often rely on an estimate when they cannot obtain an exact ___________.
What is a number?
500
A point that does not fall _____________ on a graph line is a(n) anomalous data point.
What is exactly?
500
Why do scientists use models?
What are that Scientists use models to understand things they cannot observe directly?
500
What should you wear to protect your eyes from chemical splashes?
What are goggles or safety glasses?
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