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Norris Science Department


Science As Inquiry - Review Questions

 

Modified True/False

Indicate whether the sentence or statement is true or false.  If false, change the identified word or phrase to make the sentence or statement true.

 

____   1.   An important goal of a scientist is to use evidence to learn about the natural world. _________________________

 

____   2.   “The bird has brown spots on its wings” is an example of quantitative data. _________________________

 

____   3.   Scientists are most likely to take sides with logical arguments that are supported by evidence. _________________________

 

____   4.   For a hypothesis to have value, it must be tested. _________________________

 

____   5.   The variable that is deliberately changed is called the responding, or dependent variable. _________________________

 

____   6.   The metric system is based on multiples of 100. _________________________

 

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

 

____   7.   Which of the following is NOT a goal of science?

a.

to investigate and understand nature

b.

to explain events in nature

c.

to use only select data to support a single point of view, ignoring other possibilities

d.

to use data-supported explanations to make useful predictions

 

 

____   8.   The work of scientists begins with

a.

testing a hypothesis.

b.

careful observations.

c.

creating experiments.

d.

drawing conclusions.

 

 

____   9.   Science differs from other disciplines, such as history and the arts, because science relies on

a.

recording facts.

b.

testing possible explanations.

c.

sharing observations.

d.

discovering new ways of doing things.

 

 


 

____ 10.   Information gathered from observing a plant grow 3 cm over a two-week period results in

a.

inferences.

b.

variables.

c.

hypotheses.

d.

data.

 

 

____ 11.   You state that the presence of water could accelerate the growth of bread mold. This is a(n)

a.

conclusion.

b.

hypothesis.

c.

experiment.

d.

analysis.

 

 

____ 12.   A hypothesis

a.

can be completely proven.

b.

may be disproved by a single experiment.

c.

does not have to be tested to be accepted as probably correct.

d.

is a proven fact.

 

 

____ 13.   Which of the following is a valid hypothesis for why a plant appears to be dying?

a.

The plant is not being watered enough.

b.

The plant is being watered too much.

c.

The plant is receiving too much sunlight.

d.

all of the above

 

 

____ 14.   In science, a hypothesis is useful only if

a.

it is proven correct.

b.

it can be proven incorrect.

c.

it can be tested.

d.

the explanation is already known.

 

 

____ 15.   Which of the following is NOT a part of how scientists work?

a.

experimenting

b.

observing

c.

generalizing

d.

hypothesizing

 

 

____ 16.   A controlled experiment allows the scientist to isolate and test

a.

a conclusion.

b.

a mass of information.

c.

several variables.

d.

a single variable.

 

 


 

____ 17.   Scientists publish the details of important experiments so that

a.

their work can be repeated.

b.

their experimental procedures can be reviewed.

c.

others can try to reproduce the results.

d.

all of the above

 

 

____ 18.   When enough experimental data support a hypothesis, the hypothesis becomes a(n)

a.

fact.

b.

theory.

c.

inference.

d.

conclusion.

 

 

____ 19.   A theory

a.

is always true.

b.

is the opening statement of an experiment.

c.

may be revised or replaced.

d.

is a problem to be solved.

 

 

____ 20.   A well-tested explanation that unifies a broad range of observations is a(an)

a.

hypothesis.

b.

inference.

c.

theory.

d.

controlled experiment.

 

 

Completion

Circle one of the underlined words that correctly completes each sentence or statement.

 

          21.   “The plant in Container A has five offshoots” is an example of a quantitative / qualitative observation.

 

          22.   The information you gather during an experiment is called your hypothesis / data.

 

23. The name given to the idea that life could arise from nonliving matter is called

         spontaneous generation / pasteurization.

 

          24.   The scientist named Charles Darwin / Louis Pasteur finally settled the argument over whether or not life could arise from nonliving matter.

 

          25.   In science, a theory is a well-tested explanation that unifies a broad range of publications / observations .

 

          26.   A revised version of the original metric / English system is called the SI, an abbreviation for the International Systems of Units.

 

          27.   A length of 3000 mm is equal to ____________________ m.

 


 

Short Answer

 

          28.   Why might scientists (or math-challenged students!) prefer using metric units of length rather than feet or inches?

 

Other

 

USING SCIENCE SKILLS

A scientist conducted an experiment to determine the effect of environment on the fur color of a Himalayan rabbit. The Himalayan rabbit typically has a white coat, except for its colder nose, feet, tail, and ears, which are black. The scientist shaved an area of hair on the back of each rabbit, then placed an ice pack over the shaved area on one rabbit (rabbit A, versus rabbit B).

 

 

Figure 1-1

 

          29.   Interpreting Graphics In Figure 1-1, which rabbit represents the control group?

 

          30.   Interpreting Graphics In Figure 1-1, what is the independent variable in this experiment?

 

          31.   Formulating Hypotheses Before completing the experiment in Figure 1-1, the scientist made a hypothesis. What do you think is the hypothesis she is testing?

 

          32.   Applying Concepts Why is Rabbit B essential to this experiment?

 

          33.   Drawing Conclusions Based on your observations of Figure 1-1, write a conclusion regarding the effect temperature has on Himalayan rabbits.


 

USING SCIENCE SKILLS

 

Common Metric Units

Length

Mass

1 meter (m) = 100 centimeters (cm)

1 meter = 1000 millimeters (mm)

1000 meters = 1 kilometer (km)

1 kilogram (kg) = 1000 grams (g)

1 gram = 1000 milligrams (mg)

1000 kilograms = 1 metric ton (t)

Volume

Temperature

1 liter (L) = 1000 milliliters (mL)

1 liter = 1000 cubic centimeters (cm3)

0ºC = freezing point of water

100ºC = boiling point of water

 

Figure 1-3

 

          34.   Using Tables and Graphs What four common metric units in Figure 1-3 are used to measure length?

 

          35.   Using Tables and Graphs What is the boiling point of water in degrees Celsius?

 

          36.   Applying Concepts Using Figure 1-3, what number does the prefix kilo- represent?

 

       

 


 

MEASUREMENTS, TABLES AND GRAPHS

 

37.  Measure the width of this piece of paper, to the nearest 1/10th of a centimeter.

 

38.  Measure the length of this piece of paper, to the nearest 1/10th of a centimeter.

 

39.  To collect data on finger length and hand length, a student created the following data table. However, they forgot to include the right headings and units at the top of each column!  In the table below, place the correct headings and units at the top of each data column:

 

?

?

?

Lyle

17.6

7.5

Leah

17.4

8.3

Eric

17.0

8.9

Harold

16.5

8.4

Christine

19.7

9.8

Allen

17.9

9.2

Carly

17.8

8.5

Stewart

20.3

11.9

James

16.7

7.8

Sara

16.0

8.2

Rick

19.8

10.2

 

 

40.  On a sheet of graph paper, create a graph of the data provided. Remember to include:

            - correct placement of independent and dependent variables

- labels and units on axes

- appropriate title

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