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WorksheetsMod K Unit1-2
Total questions: 50
Worksheet time: 20mins
Name
Class
Date
1.
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
2.
A student wants to test the effects of type of exercise on heart rate. What is the independent variable?
a)
type of exercise
b)
heart rate
c)
amount of time exercise occurs
d)
gender of person that exercises
3.
A student wants to test the effects of type of exercise on heart rate. What would be a good graph type?
a)
pie
b)
line
c)
bar
4.
Convert 3.8 km to m.
a)
38000 m
b)
380 m
c)
3.8 m
d)
3800 m
5.
What tool do we use to measure liquid volume?
a)
graduated cylinder
b)
beaker
c)
ruler
d)
balance
6.
This is the manipulated variable, or the variable the researcher controls.
a)
Independent
b)
Dependent
7.
This is the variable that changes as a result of the investigation, or the variable you don't control.
a)
Independent
b)
Dependent
8.
This group in an experiment shows whether the results would have occurred without the independent variable being changed.
a)
Independent variable
b)
Dependent variable
c)
Control group
d)
constant
9.
What is the base unit for measuring distance?
a)
liters
b)
meters
c)
grams
d)
seconds
10.
The metric system is based on multiples of:
a)
100
b)
20
c)
10
d)
1
11.
True or False: A hypothesis must be stated in a way that is testable.
a)
True
b)
False
12.
In a "controlled" experiment, how many variables should you change at a time?
a)
4
b)
3
c)
6
d)
1
13.
The______variable goes on the x-axis
a)
Independent
b)
Dependent
14.
The dependent variable is graphed on the___.
a)
Y Axis
b)
X Axis
15.
This graph is a histogram.
a)
True
b)
False
16.
This graph is a bar graph.
a)
True
b)
False
17.
What graph is best for showing percentages?
a)
Bar Graph
b)
Circle Graph
c)
Line Graph
d)
I don't know
18.
Which side of a data table would you look at to find information about the independent variable?
a)
left side
b)
right side
19.
Which side of a data table would you look at to find information about the dependent variable?
a)
Left side
b)
Right side
20.
A linear graph can be traced with a ruler because it is a straight line.
a)
True
b)
False
21.
A non-linear graph is a curved line.
a)
True
b)
False
22.
A graph showing a direct relationship between two variables is an downward sloping line.
a)
True
b)
False
23.
A graph that slopes down shows an inverse relationship between two variables.
a)
True
b)
False
24.
Why is it important to perform multiple trials during an experiment?
a)
To see if your results were a fluke or if you made an error
b)
It fixes errors from the experiment
c)
It allows you to keep track of your materials
d)
It is not important to have multiple trials
25.
The height of the bean plant depends on how much water they receive. What is the dependent variable?
a)
Same amount of sunlight
b)
Same soil and water
c)
How much water they received
d)
The height of the bean plant
26.
A possible explanation to a problem, that can be tested is a(n) ___.
a)
observation
b)
prediction
c)
hypothesis
d)
experiment
27.
Using your senses to gather information.
a)
hypothesis
b)
observation
c)
seeing
d)
guessing
28.
A hypothesis is often tested with a controlled _______
a)
experiment
b)
observation
c)
theory
d)
law
29.
The study of living things is life science or _____
a)
physical science
b)
earth science
c)
biology
d)
chemistry
30.
Express the following in scientific notation:
0.0000002203
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
31.
Convert to scientific notation:
520,000,000
520,000,000
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
32.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
33.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
34.
What is the first step in the scientific method?
a)
Record and analyze data
b)
State a conclusion
c)
Form a hypothesis
d)
State the problem
35.
What is the last step in the scientific method?
a)
Record and analyze data
b)
State a conclusion
c)
Form a hypothesis
d)
Perform the experiment
36.
What is the difference between a bar graph and a histogram w
a)
The Y and X axis are flipped
b)
The bars touch in a bar graph but not in a histogram
c)
the variables are flipped
d)
The bars touch in histogram but not in a bar graph
37.
A scientific statement that explains how or why something happens in nature.
a)
Theory
b)
Law
38.
A scientific statement that tells what will happen in nature. It has been proven true in all places and at all times it has been tested.
a)
Theory
b)
Law
c)
Hypothesis
39.
Which of the following is not one of the four types of scientific investigations?
a)
Experiment
b)
Observational Study
c)
Survey
d)
Theoretical Guess
40.
A model that includes graphs or equations.
a)
Physical
b)
Mathematical
c)
Conceptual
41.
A 3-D Model you can hold in your hand.
a)
Physical
b)
Mathematical
c)
Conceptual
42.
A model that shows a process or system
a)
Physical
b)
Mathematical
c)
Conceptual
43.
All of the data scientists collect during a scientific investigation.
a)
Empirical evidence
b)
Hypothesis
c)
Observations
44.
Which of the following is not one of the two ways scientists gather empirical evidence?
a)
field work
b)
home work
c)
lab work
45.
Study of atoms and how they interact with other atoms.
a)
Biology
b)
Chemistry
c)
Physics
46.
Study of matter and energy
a)
Geology
b)
Astronomy
c)
Physics
47.
Study of things that form Earth
a)
Geology
b)
Biology
c)
Chemistry
48.
Study of space
a)
Physics
b)
Chemistry
c)
Astronomy
49.
Measurements that are close to the true value are ___.
a)
Precise
b)
Accurate
50.
Precise measurements are all close together.
a)
True
b)
False
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