Indiana Science Grade 8

Chapter 1: The Nature of Science

Section 1 Self-Check Quiz-Eng.

1.
What is a hypothesis?
A)an experiment
B)a conclusion
C)a wild guess
D)an educated guess
2.
What is the first step in solving a problem in a scientific way?
A)developing a hypothesis
B)identifying the problem
C)drawing conclusions
D)performing an experiment
3.
What is the goal of science?
A)to teach the scientific method
B)to perform experiments
C)to better understand the natural world
D)to provide an education in school
4.
Which of the following is an example of science being performed?
A)heating your room with a space heater
B)watching television
C)an astronaut flying the space shuttle
D)discovering why salt melts ice
5.
Which topic is not studied in Earth science?
A)the human brain
B)weather
C)the solar system
D)volcanoes
6.
Why do scientists perform experiments?
A)to test the validity of a hypothesis
B)so they can draw conclusions
C)because they are paid to do so
D)to prove that their hypotheses are correct
7.
You are conducting an experiment to discover which brand of mosquito repellent works best. In this experiment, the brand of mosquito repellent is the __________.
A)dependent variable
B)constant
C)independent variable
D)control
8.
Why do experiments use controls?
A)to provide a standard
B)to help average the data
C)to prove the hypothesis
D)to support any conclusions
9.
To ensure that you have a valid experiment, it must be __________.
A)proven correct
B)complicated
C)repeatable
D)scientific fact
10.
What is the final step in experiments?
A)developing a hypothesis
B)identifying the problem
C)drawing conclusions
D)eliminating bias
11.
An example of a problem that science cannot solve is __________.
A)telecommunications
B)disease
C)crime
D)travel
12.
What is the correct approach to doing science?
A)experiment to test a hypothesis
B)draw conclusions early
C)form your hypothesis after you have gathered data
D)rely on mythology and stories to explain the natural world
13.
What happens when there's bias in an experiment?
A)Personal opinion gets in the way.
B)The results are more accurate.
C)The hypothesis is proved wrong.
D)The experiment is not repeatable.
14.
What can cause an experiment to be inaccurate?
A)drawing conclusions
B)forming a hypothesis
C)not enough data
D)changing variables
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