WorksheetsScience Review
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
What experimental variable uses the clue words "different," "manipulated," "changed," or "tested?"
a)
Independent Variable
b)
Dependent Variable
c)
Control Variable
2.
When we use our senses to gather information, we are making what?
a)
observations
b)
hypothesis
c)
inference
d)
conclusion
3.
Which word part means "with/together?"
a)
di
b)
therm
c)
bio
d)
co
4.
When you use what you already know to solve a new problem, you are making a/an
a)
observation
b)
hypothesis
c)
inference
d)
conclusion
5.
The same type of agar and bacteria are put into three different containers with different temperatures. After 24 hours the observations are recorded. What is the independent variable?
a)
agar
b)
temperature
c)
bacteria
d)
time
6.
What is a scientific hypothesis?
a)
a statement used to explain a conclusion
b)
an educated guess
c)
an expected, testable outcome
d)
another name for a scientific theory
7.
Which of the following would be considered qualitative data?
a)
20% of students were absent
b)
The museum was 57 miles away
c)
There are more boys than girls
d)
I have 243 channels with DirecTV
8.
Which of the following would be considered an INFERENCE and not an observation?
a)
A storm must be coming.
b)
The wall is green.
c)
The temperature is 32 degrees.
d)
The volume is 243 mL.
9.
Stephen predicted that seeds would grow faster if an electric current traveled through the soil in which they were planted. This is a...
a)
Question
b)
Hypothesis
c)
Experiment
d)
Conclusion
10.
Jonathan's data showed that household cockroaches moved away from raw cucumber slices.
a)
Ask a question
b)
hypothesis
c)
experiment
d)
draw conclusion
11.
Jonathan's data showed that household cockroaches moved away from raw cucumber slices. This is a....
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
12.
Rene grew bacteria from the mouth on special plates in the lab. She placed drops of different mouthwashes on bacteria on each plate. This is a....
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
13.
Rene grew bacteria from the mouth on special plates in the lab. She placed drops of different mouthwashes on bacteria on each plate. This is a....
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
14.
Jose saw bats catching insects after dark. He asked, "How do bats find insects in the dark?" This is a....
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
15.
Jose saw bats catching insects after dark. He asked, "How do bats find insects in the dark?" This is a....
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
16.
Angela's experiment proved that earthworms move away from light. This is a...
a)
question
b)
hypothesis
c)
experiment
d)
conclusion
17.
What is a clue word for the dependent variable?
a)
changed
b)
recorded
c)
tested
d)
different
18.
Control variables are....
a)
changed
b)
recorded
c)
tested
d)
the same
100 %
