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Intro To Science
Test Description: Test
Instructions: Answer all questions to get your test result.
1) Which of the following variables is manipulated by the scientist?
A
Independent Variable
B
Dependent Variable
C
All of the above
D
Control
2) Which of the following is measured at the end of the experiment?
A
Control
B
none of the above
C
Independent Variable
D
Dependent Variable
3) Which of the following is a good testable question?
A
How many marbles fit in a water bottle?
B
How tall is Mr. Shaver?
C
How many Gummi bears can Mr. McGhee fit into his mouth?
D
Does the time of day affect pollen levels?
4) The independent variable goes on the ____ axis of a graph.
A
C
B
Y
C
X
D
Z
5) The left column of a data table will contain the _____________________.
A
controls
B
independent variable
C
bigger numbers
D
dependent variable
6) A student is to determine how much salt will dissolve in 50 milliliters of water. Which tool is best for measuring the volume of water to be used?
A
100 milliliter graduated cylinder
B
thermometer
C
25- milliliter beaker
D
spring scale
7) Sam wants to measure 10 grams of salt. What lab equipment should he use?
A
spring scale
B
triple beam balance
C
thremometer
D
graduated cylinder
8) I set up an experiment to test how different types of fertilizer will affect plant growth. What would be my independent variable?
A
amount of water
B
fertilizer
C
plant growth
D
sunlight
9) I set up an experiment to test how music affects student performance on test. What is my dependent variable?
A
the test
B
student performance
C
the classroom
D
Music
10) A student want to determine if classroom lighting affects the number of student headaches? What would be the dependent variable?
A
number of student headaches
B
type of lighting
C
time of day
D
Age of students
11) An engineering company is testing a new weather-forecasting program. Which procedure would best verify that the program is making accurate predictions?
A
comparing the predictions of the program to other predictions
B
using the program to verify past weather-related events
C
comparing the predictions of the program to the actual weather
D
using the program to verify events not related to weather
12) The dependent variable goes on the __________ axis of a graph.
A
Y
B
X
C
C
D
Z
13) Which of the following is true about controls in an experiment?
A
you want to have many controls
B
You have to change them often
C
you can only have one control
D
these are the variables that you measure
14) A student recorded the speed of several blue cars vs. red cars over 1 day period. The average speed of red cars was 70mph, while the average of the blue cars was 68mph. The student concludes that red paint makes cars go faster. What was the error?
A
the observation was made on several highways
B
the observation shows information for several times of day
C
the conclusion was made based on two types of cars
D
the conclusion claims that their is a cause and effect without evidence
*select an answer for all questions
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