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Safety, Lab Equipment, and Scientific Method Review Flashcards | StudBud
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Safety, Lab Equipment, and Scientific Method Review
Safety, Lab Equipment, and Scientific Method Review
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1
Students write the number and color of cars that pass a stretch of road for 5 minutes, this is
hypothsiszing
concluding
observing
experimenting
2
Grams, milligrams, and kilograms are measurements used to measure
mass
weight
volume
length
3
Liter, milliliter, kiloliter are measurement examples of
Length
Temperature
Volume
Mass
4
If while analyzing the data of your lab for a car design, you realize it won't work
You should start all over
Evaluate the data and what's wrong and rework the design
Keep on testing that same design and it's sure to work once
Just make the car anyway and hope for the best
5
This is stated as a "if..then..." statement and can be tested and explain what can happen
Conclusion
Analyze Data
Procedures
Hypothesis
6
During investigations you want to adjust a part of the experiment. Change how many variables?
3, more variable change the better
How ever many as you want
2, it's easy to keep track
1, so you know how the change it
7
In order for scientists to learn from other scientists they
Keep their answers to themselves
Correct their hypothesis to match their conclusions
Write their conclusions in written form for others to read
Perform an experiment only once
8
Celsius is the measurement scientist use to measure
Temperature
Length
Mass
Weight
9
A Graduated cylinder is used to measure a liquids
length
weight
mass
volume
10
All are scientific investigations except
Observing how many different birds come to a feeder
Using a prototype to test your hypothesis
Write your opinion on why you prefer Burger King burgers
Performing a step by step experiment with materials set out
11
Can an opinion be proven incorrect?
No
Yes
12
When you are making observations in lab what are you using collect data?
Touching and wafting what is happening
watching what is happenin
All the above. You should use all your senses
Listening to what is happening
13
To increase the reliability of their results, scientists will
make repeated investigations. More results means more data
Just agree with their hypothesis
Perform investigations once. It's enough.
Work the investigations to match what they want.
14
The first thing all scientists must do before any experiment is
Analyze data
State your Hypothesis
Ask Questions/Problem
Write your conclusion
15
What is the purpose of a scientist making a model of something
It's better to use a model than the real thing
Wants to make a cool example of the real thing
Gives scientists a prototype to test and experiment on
Have as a keepsake
