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Scientific Method And Safety Part 2
Test Description: Scientific Method and Safety Part 2
Instructions: Answer all questions to get your test result.
1) After creating a/an hypothesis based on your ____________, you ___________.
A
question ... perform an experiment
B
experiment ... form a conclusion
C
observations ... perform an experiment
D
question ... observe your surroundings
2) When presented with a new substance in science, you should ___________ .
A
taste it
B
smell it
C
none of the above
D
touch it
3) When you have a spill during an experiment, the FIRST thing you should do is ____________ .
A
run around screaming until someone helps you
B
tell the teacher
C
get a paper towel and clean it up yourself
D
call 911
4) When conducting an experiment, we should _____________ .
A
ALL OF THE ABOVE
B
listen to directions carefully
C
keep all walkways clear of books, binders, water bottles, etc
D
work cooperatively in our groups
5) How many items can you test at a time when conducting an experiment?
A
4 (four)
B
3 (three)
C
1 (one)
D
2 (two)
6) What is the name of the one item that can change during an experiment?
A
your mine
B
a variable
C
a changeling
D
a constant
7) Why is it important to collect data while you conduct your experiment?
A
if you make a mistake, you can go back and find it
B
you can say, Yes, I did it!, or Oh no, I need to try again.
C
ALL OF THE ABOVE
D
so you don't forget any details
8) When does someone need to follow a method or procedure?
A
putting together furniture
B
baking a cake
C
ALL OF THE ABOVE
D
putting together a mode airplane
9) Why do scientists test and retest their experiments before sharing their results with the general public?
A
because they know they did something wrong the first time and need to fix it
B
to be sure they get the same result each time that proves their hypothesis.
C
because they have nothing better to do
D
because they are bored
10) How many times might a scientist test and retest their experiment?
A
all of the above because it depends on the experiment and what the results are.
B
5 times
C
200 times
D
100 times
*select an answer for all questions
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