Chapter 1: About Science

Question 1

Match the step of the scientific method to its correct order numbers

Answer 1

1) Recognize a question or a problem
2) Make a hypothesis that may resolve the problem
3) Predict consequences of the hypothesis
4) Perform experiment or make calculation to test the prediction
5) Draw a conclusion based on the problem, hypothesis, and experimental results

Question 2

Which ancient Greek gave the first reasonably accurate estimate of the size of the Earth?

Answer 2

Eratosthenes

Question 3

During the quarter Moon phases, the lines between the Earth, the Moon and the Sun…

Answer 3

“Form a right triangle”

Question 4

Pseudocode is best characterized as being…

Answer 4

Fake

Question 5

Science seeks to

Answer 5

Describe how phenomena in the universe work

Question 6

For a scientific hypothesis to be valid, there must be a test for proving it:

Answer 6

Wrong

Question 7

Which of the following is a valid scientific statement?

Answer 7

Handling toads causes warts

Question 8

A theory in the field of science is:

Answer 8

A synthesis of a large body of well-tested hypothesis

Question 9

Technology can:

Answer 9

1) Be socially beneficial
2) Be harmful when abused
3) Lead to a better world

Question 10

Which of the following involves passion; talent; and intelligence?

Answer 10

1) Art
2) Literature
3) Music
4) Science

Question 11

Aristarchus made reasonable estimate of:

Answer 11

1) The Moon’s diameter
2) The distance from the Earth to the Moon

Question 12

Which ancient Greek gave a reasonably accurate estimate of the diameter of the Moon?

Answer 12

Aristarchus

Question 13

Aristarchus used which phase of the Moon to measure is distance?

Answer 13

The first or third quarter of the Moon

Question 14

Spots of sunlight on the ground cast through openings between the leaves in a tree are actually

Answer 14

Images of the Sun

Question 15

When a dishonest scientist knowingly reports false information, he or she:

Answer 15

Gets no second chance in the scientific community

Question 16

An educated scientific guess is a

Answer 16

Hypothesis

Question 17

Arrange the sciences according to their complexity

Answer 17

1) Basic: Physics
2) More complex: Chemistry
3) Most complex: Biology

Question 18

A truly educated person is knowledgeable about…

Answer 18

1) Science
2) Music
3) Art
4) Religion

Question 19

Aristarchus used eclipses to show that the Earth’s diameter must be about…times the Moon’s diameter

Answer 19

3.5

Question 20

The statement: “There are beings on Earth that can elude all forms of detection” is:

Answer 20

Speculation

Question 21

Erastothenes measured the circumferences of the Earth by measuring shadow length in:

Answer 21

1) Syene
2) Alexandria

Question 22

The early Greeks knew to a fair approximation which of the following?

Answer 22

1) The size of the Earth
2) The size of the Moon
3) The distance between the Earth and the Moon

Question 23

Erastothenes measured the size of:

Answer 23

The circumference of the Earth

Question 24

Science and technology are:

Answer 24

Fundamentally different from one another

Question 25

Scientist often repeat experiments of other scientist

Answer 25

To verify that they get the same results