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Scientific Method
Test Description: Identification of variables
Instructions: Answer all questions to get your test result.
1) Which statement is a qualitative observation?
A
The house is very clean.
B
There are 20 dogs in the yard.
C
There are 10 cats in the car.
D
The book is 10 pounds.
2) A constant or controlled variable in an experiment is
A
the part of the experiment that gets tested.
B
the part of the experiment that can be repeated.
C
the parts of the experiment that remain the same.
D
the part of the experiment that is measured.
3) Ms. Sims gives one plant water, another plant no water, and a third plant water every other day. She measures the growth of the plant after 3 weeks. What is the independent variable?
A
plant growth
B
location of plants
C
amount of water given to plants
D
type of soil used
4) You do an experiment to determine if location makes a difference in plant growth. Identify the dependent variable.
A
plant color
B
plant growth
C
type of plant
D
plant location
5) What is the 2nd step of the scientific method?
A
make a hypothesis
B
research background information
C
collect data
D
ask a question
6) Which hypothesis is stated correctly?
A
My dog will gain weight if he eats
B
I think Brand X will make my dog gain weight
C
If my dog eats more food, then he will gain weight
D
I think no exercise will make my dog gain weight
7) Megan wants to know if salt water will freeze faster than plain water. What would not be a constant or controlled variable in this experiment?
A
temperature of the freezer
B
type of freezer
C
amount of water
D
type of water (salt water versus plain water)
8) What type of observation uses numbers for measuring or counting?
A
quantitative
B
qualitative
9) After collecting data for an experiment, what is the next step in the Scientific Method?
A
making a conclusion
B
researching
C
making a hypothesis
D
analyzing the data
10) When the scientist summarizes and states the results of an experiment, determining if the hypothesis is supported or not, this is called the?
A
procedure
B
analysis
C
hypothesis
D
conclusion
*select an answer for all questions
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