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Unit 1 Science Skills
Test Description: Chapter One Test
Instructions: Answer all questions to get your test result.
1) A hypothesis is
A
educated guess
B
drawing conclusions
C
based on intuition than observation
D
a possible solution to a question or a problem
2) Sponge Bob, Squidward and Sandy all have colds. Squiward and Sandy are each given a different kind of cold medicine, while Sponge Bob is give a placebo. What does the placebo act as?
A
control variable
B
constant variable
C
dependent variable
D
independent variable
3) When making a graph, the independent variable is always on the
A
z-axis
B
x-axis
C
y-axis
D
title
4) The variable that is changed or manipulated in an experiment is
A
constant variable (s)
B
independent variable
C
dependent variable
D
control group
5) A way to reduce errors in experimentation is through
A
analyzing data
B
remaining skeptical
C
conducting multiple trials and calculating an average
D
making sure you measure with meter stick
6) A good hypothesis is more than a guess because it
A
is based on inferences
B
states the independent variable
C
states what is likely to happen and makes logical sense based on scientific reasoning
D
has multiple variables
7) Which step of the scientific method are scientists conducting when photographing lions in the wild?
A
drawing conclusions
B
hypothesizing
C
observing
D
analyzing data
8) Why is an experiment with two independent variables not valid?
A
It is valid because there are independent variables that can be measured
B
there are no constants to tell what really happened
C
There is no placebo, which serves as a control, or standard to be measured against
D
Because it is impossible to tell which variable caused the observed effects
9) The variable that is responding or being measured is the
A
independent variable
B
constant variable (s)
C
dependent variable
D
control group
10) When testing the O-Wing fuselage length, what were your constant variable(s)?
A
person throwing it
B
person throwing it and type of straws
C
person throwing it and the velocity which they threw it
D
person throwing it, the size of the front O-wing and the size of the back O-wing
11) Variables that do not change (or remain the same) in the experiment are
A
control group
B
constant variable (s)
C
independent variable
D
dependent variable
12) The three final steps of the scientific method in correct order are
A
drawing conclusions, repeating experiments, and communicating results
B
repeating experiments, communicating results and drawing conclusions
C
drawing conclusions, analyzing data, and repeating experiments
D
observing, experimenting, and communicating results
13) The group that does not receive the experimental treatment in the experiment is
A
variable group
B
experimental group
C
dependent variable
D
control group
14) If a car takes 5 seconds to travel 50 meters, what is its speed?
A
50 m/s
B
10 m/s
C
20 m/s
D
5 m/s
15) If a ball is traveling 70 meters in 6 seconds, its speed is
A
9.53 m/s
B
11.67 m/s
C
10 m/s
D
12 m/s
16) A good hypothesis is written as
A
If (intuition), then (observation) because (logical sense)
B
If (independent variable), then (dependent variable) because (logical/scientific reasoning)
C
If (dependent variable), then (independent variable) because (inference)
D
If (observation), then (inference) because (guess)
*select an answer for all questions
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