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WorksheetsUnit 0: Scientific Basics Review
Total questions: 20
Worksheet time: 14mins
In an experiment, the factor that is being MEASURED is called the...
independent variable.
dependent variable.
control variable (constant).
confounding variable.
In an experiment, the factors that stay the same and do NOT change are called...
independent variable.
dependent variable.
control variable (constant).
confounding variable.
In an experiment, the factor that the scientist changes is called the...
independent variable.
dependent variable.
control variable.
confounding variable.
What step does the scientific method begin with?
Formulating a hypothesis
Making an observation/Asking a question
Conducting an experiment
Drawing a conclusion
What is the dependent variable (DV)?
Distance
Time
How many independent variables should a good experiment have?
1
2
3
4
When should you use a bar graph?
When comparing data from 2 or more things
When you need to see a "trend" or "pattern" over time
When you need to show percentages of a whole
When you like drawing columns
When should you use a line graph?
When comparing data from multiple categories or groups
When you need to see a "trend" or "pattern" over time
When you need to show percentages of a whole
When you like drawing columns
When should you use the diaphragm?
When you want to move the stage
When you want to adjust the amount of light
When you want to put the microscope away
When you want to move the objectives
Find the total magnification:
Eyepiece = 10X
Objective lens = 4X
4x
10x
40x
400x
What is number 17?
body tube
arm
stage
base
You should always carry the microscope by the
arm and base
arm and body tube
arm only
the objectives
When looking at a specimen on your slide, you should always start with the
low objective lens
medium objective lens
high objective lens
super extra high power lens
The _______focuses the image under low power.
revolving nosepiece
fine adjustment knob
coarse adjustment knob
arm/neck
The__________ sharpens the image under high magnification.
the diaphragm
fine adjustment knob
coarse adjustment knob
the ocular
The ________ of the microscope would show you the MOST zoomed in image, or the SMALLEST field of view.
low power objective
medium power objective
high power objective
stage
