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WorksheetsNature of Science Walker 1
Total questions: 11
Worksheet time: 10mins
Name
Class
Date
1.
Which question can best be investigated by a scientist?
a)
Should I buy a red shirt or a green shirt?
b)
Does chocolate milk or plain milk taste better?
c)
Does a plant need sunlight to grow?
d)
Which feels softer, cat fur or dog fur?
2.
The container is filled to the 350 mL mark with water.
a)
observation
b)
inference
c)
problem
d)
hypothesis
3.
How many independent variables should be tested at a time in a scientific investigation?
a)
none
b)
one
c)
two
d)
three
4.
The variable in the experiment that is the outcome that you measure is called:
a)
Control
b)
Dependent
c)
Independent
d)
Hypothesis
5.
In the paper airplane experiment, changing the size of the airplane would be which variable?
a)
Dependent
b)
Independent
c)
Control
d)
Conclusion
6.
In a controlled experiment, which is the variable that the scientist changes?
a)
model
b)
independent variable
c)
dependent variable
d)
inference
7.
The process of obtaining information by using the senses is called a/an
a)
observation
b)
scientific method
c)
inquiry
d)
conclusion
8.
Studying the effect of one thing on another in order to test a hypothesis is a(n)
a)
experiment
b)
constant
c)
problem
9.
What is an inference?
a)
Just a guess.
b)
A statement based off of your observations.
c)
The same as an observation.
d)
Examples of something.
10.
The factor being tested in an experiment, the one that *I* change, is the
a)
independent variable
b)
dependent variable
c)
control group
d)
hypothesis
11.
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
What is the independent variable?
What is the independent variable?
a)
The new drug
b)
The tasty rat chow
c)
How long it takes the rats to find the food
d)
The second group not given the drugs
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