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WorksheetsScientific Investigation
Total questions: 13
Worksheet time: 10mins
Name
Class
Date
1.
The number of apples in this basket is ______________________ data?
a)
quantitative
b)
qualitative
c)
independent
d)
dependent
2.
The dependent variable in this experiment is -
a)
Number of Bacteria
b)
Time of Incubation
c)
Culture Number
d)
Type of Bacteria
3.
What can you infer about the temperature for E.coli bacterial growth?
a)
E. coli does not grow well at low and high temperatures.
b)
E coli will continue to grow at very high temperatures.
c)
E.coli grows best at very low temperatures
d)
E.coli grows best at very high temperatures.
4.
Which of these is the best tool to use when measuring the water depth at the edge of a pond?
a)
F
b)
G
c)
H
d)
J
5.
A biology class of 24 students decides to measure the height of each student and then calculate the average height for the class. Which of these is a possible source of error in this activity?
a)
The number of males and females in the class
b)
The difference in the ages of the students in the class
c)
The total number of students in the class
d)
The accuracy of making and recording measurements
6.
Students use a dissolved oxygen probe during a laboratory activity involving 1,000mL samples of water. The function of the probe is to--
a)
create a model
b)
test a hypothesis
c)
gather data
d)
analyze investigation conditions
7.
A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
8.
What is the tool you would use to measure the mass of an apple?
a)
Metric ruler
b)
Scale
c)
Graduated Cylinder
d)
Triple Beam Balance
9.
Which of the following hypotheses is written correctly?
a)
Frozen tennis balls will not bounce as high.
b)
If I heat up a tennis ball it will bounce high.
c)
If I freeze a tennis ball, then it will not bounce as high.
d)
If a tennis ball is frozen, then it won't bounce as high as one that is not frozen.
10.
Elin is conducting a scientific investigation in which she measures a certain type of plant's growth in response to different amounts of fertilizer. What is the independent variable?
a)
Amount of fertilizer
b)
Plant growth
c)
Type of plant
d)
Temperature of fertilizer
11.
In an experiment the factor being tested or changed on purpose is called the -
a)
independent variable
b)
dependent variable
c)
constant
d)
experimental error
12.
Find the total magnification:
Eyepiece = 10X
Objective lens = 55X
Eyepiece = 10X
Objective lens = 55X
a)
10x
b)
55x
c)
65x
d)
550x
13.
The higher the magnification, the ________ you see of the specimen.
a)
more
b)
less
c)
higher
d)
lower
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