Glencoe Earth Science

Chapter 1: The Nature of Science

The Nature of Science

1
Which is not used to predict weather today?
A)satellites
B)mythology
C)radar
D)weather balloons
2
To ensure that you have a valid experiment, it must be __________.
A)proven correct
B)repeatable
C)complicated
D)scientific fact
3
One of the first cultures to develop instruments to study the weather was the __________.
A)British
B)Americans
C)Mexicans
D)Italians
4
Why do scientists perform experiments?
A)to test the validity of a hypothesis
B)because they are paid to do so
C)to prove that their hypotheses are correct
D)so they can draw conclusions
5
What can cause an experiment to be inaccurate?
A)changing variables
B)drawing conclusions
C)not enough data
D)forming a hypothesis
6
How old is technology?
A)millions of years old
B)only 25 years or so
C)about a century old
D)thousands of years old
7
How often are scientific theories proved wrong?
A)They are neither proved nor disproved.
B)sometimes
C)never
D)always
8
What is the correct approach to doing science?
A)rely on mythology and stories to explain the natural world
B)form your hypothesis after you have gathered data
C)experiment to test a hypothesis
D)draw conclusions early
9
What is a hypothesis?
A)a wild guess
B)an experiment
C)an educated guess
D)a conclusion
10
Which of the following is an example of science being performed?
A)watching television
B)an astronaut flying the space shuttle
C)heating your room with a space heater
D)discovering why salt melts ice
11
Upon what event did the ancient Egyptians develop the first calendar?
A)when the Sun rose
B)when to plant crops
C)when the Moon changed
D)when the snow fell
12
The difference between a theory and a law is that ___________.
A)a law is scientific fact
B)a theory describes the natural world
C)a law explains the natural world
D)a theory is scientific fact
13
What is the first step in solving a problem in a scientific way?
A)identifying the problem
B)drawing conclusions
C)developing a hypothesis
D)performing an experiment
14
What is the final step in experiments?
A)developing a hypothesis
B)identifying the problem
C)eliminating bias
D)drawing conclusions
15
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)constant
B)control
C)independent variable
D)dependent variable
16
An example of a problem that science cannot solve is __________.
A)disease
B)crime
C)telecommunications
D)travel
17
Which topic is not studied in Earth science?
A)the solar system
B)weather
C)the human brain
D)volcanoes
18
What happens when there's bias in an experiment?
A)The hypothesis is proved wrong.
B)The results are more accurate.
C)Personal opinion gets in the way.
D)The experiment is not repeatable.
19
The __________ was the first instrument developed to study weather.
A)rain gauge
B)thermometer
C)hydrometer
D)barometer
20
Why is scientific information published in journals?
A)to make scientists money
B)to show how accurate a scientist's data are
C)so others can build upon that knowledge
D)to show that experiments on certain subjects should no longer occur
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