Scientific Measurement

The scientific method is most effective in
1. gaining, organizing, and applying new knowledge.
2. making hypotheses.
3. discovering new things.
4. performing experiments.
In science, an educated guess is a
1. hypothesis.
2. theory.
3. both of these.
In science, facts
1. may change.
2. are absolute.
3. are more important than theories.
4. mean very little.
In science, a theory is
1. a synthesis of a large body of well-tested knowledge.
2. less than a fact.
3. an educated guess.
4. unchangeable.
In science, an educated guess is a
1. theory.
2. hypothesis.
3. both of these.
Which of the following is a scientific statement?
1. There are parts of the universe that will never be found by man.
2. Matter is filled with undetectable particles.
3. There are things we will never know about.
4. The Moon is made of green cheese.
A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving it
1. wrong.
2. right.
The statement, "There are regions beneath the Earth's crust that will always be beyond the reach of scientific investigation," is a
1. scientific statement.
2. hypothesis.
3. speculation.
4. theory.
A truly educated person is knowledgeable about
1. science.
2. religion.
3. the arts.
4. all of these.
Which of the following involves passion, talent, and intelligence? (More than one may correct. Choose all that apply.)
1. literature
2. music
3. art
4. science
There are three bright stars seen high overhead in the late summer night sky. Facing south they are, from left to right
1. Deneb, Altair, and Vega
2. Algore, Deadhead, and Vegetarian
3. Polaris, Dubhe, and Merak
4. Vega, Deneb, and Altair
What compass direction is at azimuth 180 degrees?
1. North
2. South
3. East
4. West
What compass direction has an azimuth of 90 degrees?
1. North
2. South
3. East
4. West
What compass direction is at azimuth 270 degrees?
1. North
2. South
3. East
4. West
What compass direction is at azimuth 0 degrees?
1. North
2. South
3. East
4. West
What compass direction is at azimuth 135 degrees?
1. North-East
2. South-East
3. North-West
4. South-West
What compass direction is at azimuth 225 degrees?
1. North-East
2. South-East
3. North-West
4. South-West
A bright star is seen very low near the horizon in the North-East. What is its azimuth?
1. 45 degrees
2. 90 degrees
3. 225 degrees
4. 315 degrees
A bright star is seen very low near the horizon in the North-West. What is its azimuth?
1. 45 degrees
2. 90 degrees
3. 225 degrees
4. 315 degrees
The correct scientific notation for the number 3456.789 is
1. 0.3456789 x 10^4
2. 3.456789 x 10^3
3. 34.56789 x 10^2
4. 3.456789 x 10^-3
The correct scientific notation for the number 0.3456789 is
1. 0.3456789 x 10^1
2. 3.456789 x 10^-1
3. 34.56789 x 10^2
4. 3.456789 x 10^2
1.2456 x 10^5 is the same as
1. 0.000012456
2. 124560
3. 1245600000
4. none of these
Which of the following is the smallest amount?
1. 0.0001 sec
2. 0.01 sec
3. 1.0 sec
4. 1000 sec
Which of the following is the largest amount?
1. 1 km
2. 1 m
3. 1 cm
4. 1 mm
8 mm is the same as ______ cm
1. 8
2. 0.8
3. 80
4. 0.08
0.05 km is the same as ______ cm
1. 0.05
2. 500
3. 5000
4. 500000
0.67 cm is the same as ______ m
1. 0.067
2. 0.00067
3. 0.0067
4. 6700
An object is seen about half-way up in the night sky. Its altitude is
1. 90 degrees
2. 45 degrees
3. 30 degrees
4. 60 degrees
An object at an altitude of 60 degrees is about how high up in the sky?
1. 1/3 up from the horizon
2. 2/3 up from the horizon
3. 1/2 up from the horizon
What is the reading of the ruler at "A"?
1. 6.5 cm
2. 56.5 cm
3. 67.5 cm
4. 650 cm
What is the reading of the ruler at "B"?
1. 58.9 mm
2. 58.9 cm
3. 58.9 m
4. 58.9 km
Which letter is at 60.6 cm?
1. Letter A
2. Letter B
3. Letter C
4. Letter D
What is the length between letters "B" and "D"?
1. 41 mm
2. 4.1 mm
3. 60.3 cm
4. 60.3 mm
Which planet would appear closest to the Sun as seen from the Earth?
1. Venus
2. Mercury
3. neither would be visible
4. they would appear the same distance from the Sun
Which of the planets shown is actually closest to the Sun?
1. Venus
2. Mercury
3. Earth
4. this cannot be determined from the diagram
In science, theories
1. may change.
2. are absolute.
3. are more important than facts.
4. mean very little.

Scientific Measurement

Multiple-choice exercise