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Lab Skills
Lab Skills
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Designed to review the concepts of the scientific method and measurement in the lab setting.
Flashcards
16 cards
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Questions
16
Answers
1
Dogs are better than cats! This is an example of...
Opinion
Observation
Inference
Interpretation
2
The portion of an experiment that is kept the same and used to compare our results to.
control
dependent variable
independent variable
procedure
3
In science class, when measuring length, I would use a _________and record my answer in ______.
mass balance -- centimeters
ruler -- inches
ruler -- feet
ruler -- centimeters
4
To measure mass I would use a __________ and record my answer in _______.
graduated cylinder -- milliliters
mass balance -- grams
mass balance -- milliliters
graduated cylinder -- grams
5
In this graph, as x increases, y __________
increases
remains the same
decreases
6
The correct measurement would be...
31.5 mL
36.5 mL
36 mL
37.0 mL
7
All of the following are ways to increase the validity of my experiment EXCEPT...
testing different subjects
changing your hypothesis
testing more subjects
repeating your experiment several times
8
If the mass of an object is 344.3 g and its volume is 12.4 mL, what is the density?
356.7 g/mL
4269.3 g/mL
27.8 g/mL
0.036 g/mL
9
Which object is the most dense?
crayon
pasta
popsicle stick
paperclip
10
Which color liquid is the least dense?
green
clear
blue
red
11
A series of steps scientists use to solve a problem.
hypothesis
materials
scientific method
conclusion
12
In this graph, what is the independent variable and where is it located?
math score -- x-axis
grade level -- y-axis
grade level -- x-axis
math score -- y-axis
13
My dog is scratching. She must have fleas. This is an example of an...
observation
opinion
inference
interpretation
14
The amount of space that something occupies is considered to be its ___________.
height
length
volume
mass
15
The portion of the experiment that I can change is called...
The control
The dependent variable
The density
The independent variable
16
The correct measurement for the screw would be...
5.10 cm
5.10 in
5.1 in
5.1 cm
