Science/Not Science Nature of Sci Slides
The graph above is an example of a model called a
a.    physical model.            b.    conceptual model.
c.    mathematical model.    d.    climate model.
A scientist can use the graph to
a. make predictions about population growth.
b. see the variables that affect population growth.
c. test hypotheses about life span in the future.
d.brainstorm solutions to overpopulation on Earth.
According to the graph, what period of time shows the greatest increase
in population growth?
a. 1800–1900              c. 1950–2000
b. 1900–1950              d. 2000–2050
What do the data in this graph
show?
a. Unplowed soil has more earth
 worms  than plowed soil.
b. Plowed soil has more
earthworms than unplowed soil.
c. Plowing of the soil has no
effect on the number of earth
worms.
d. The number of earth worms
 cannot be predicted.
Where and when were most
earthworms found?
a.    unplowed soil, spring 1995
b.    unplowed soil, fall 1994
c.    unplowed soil, fall 1995
d.    plowed soil, spring 1994
What question did the scientists
 who collected this data want to
 answer?
a.  Are there more earthworms
 in the soil in the spring than in
 the fall?  
b. What is the effect of plowing
soil on  the number of earth
worms?
c. How is the size of the
earthworms affected by the
seasons?
d.Does plowing the soil affect
 how fast earthworms grow?
The best label for the x-axis
(bottom axis would be):
a.    Type of soil   
c.    Time of year
b.    Number of worms   
d.    Season
Which factor is a control variable in this experiment?
a.    Type of bee
b.    Flower color
c.    Group number
d.    Number of times a flower is visited

6. Which factor is most likely the independent variable in the experiment?
a.    Type of plant
b.    Type of bee
c.    Time of day
d.    Flower color
Which of the following hypothesis could be tested by this experiment?
a. If presented with different kinds of plants then honeybees prefer rose plants,
 because they smell better.
b. If honey bees are presented with different colors of flowers then they will visit
red flowers more, because the color is attractive.
c. I predict honeybees will visit more flowers in the morning, because they are
 more active then.
d. I predict honeybees will be more attracted to red flowers because that color
 is more attractive to them.
Which of the following is the best reason why the Portland rose plant is included
in all of the groups to be studied?
a.This type of plant is a control variable,  any type of plant could be used as
 long as they are all the same.
b.The experiment will test whether bees prefer the Portland rose over other
 flowers.
c. An experiment should always have more than one variable being tested.
d. The Portland rose is a common plant, which, makes it easier to test.
Give the measurement of the nail in cm.
Give the measurement of the paper clip in cm
Give the measurement of the paper clip in mm
Give the measurement of the nail in mm.
Give the measurement of the key in cm.
Give the measurement of the key in mm.
Give the measurement of the screw in cm.
Give the measurement of the screw in mm.
What is the volume of the rock?
What is the triple beam balance measurement
represented in the diagram above?
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What is the triple beam balance measurement
represented in the diagram above?
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What is the triple beam balance measurement
represented in the diagram above?
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20
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60
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What is the triple beam balance measurement
represented in the diagram above?
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100
20
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60
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400
80
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100
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What is the triple beam balance measurement
represented in the diagram above?
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Which of the following is the independent variable in the
experiment above?
A) amount of chlorine used
B) volume of water used
C) length of time of the experiment
D) temperature of the test tubes
Which of the following is the dependent variable in the
experiment above?
A) amount of chlorine used
B) volume of water used
C) length of time of the experiment
D) amount of algae in the test tube
Which of the following is a control variable in the
experiment above?
A) amount of chlorine used
B) volume of water used
C) amount of algae in the test tube
D) both a and b

The picture shows the results of

putting a drop of orange ink from

a marking pen on a piece of filter

paper and allowing the colors in

the ink to separate. About how

much farther on the filter paper

has the yellow pigment moved

than the red pigment?


A)  3.5 cm

B)  1.6 cm

C)  1.9 cm

D)  0.5 cm

The above apparatus was set up as shown,

and thermometer readings were recorded

for 20 minutes. The results were then

graphed. By how many degrees did the

temperature of the hot water decrease

in the 20 minutes that readings were taken?


A) 20 degrees C       C) 10 degrees C
B) 14 degrees C        D) 28 degrees C

If solute is the solid substance
 being dissolved in the water,
according to the graph which
substance was the least soluble
in water?

A) Kl
B) 1','1','1');" onmouseout="javascript:toggle_answer_button('answer1','1','0');">Ce2(S04)3
C) NaCl
D) 3','3','1');" onmouseout="javascript:toggle_answer_button('answer3','3','0');">KClO3

Which car
traveled the
slowest?

A) Car #1
B) Car #2
C) Car #3
D)Car #4
The data table below shows the masses and volumes of three objects (A, B, and C).

The formula for calculating an object’s density is: Density =    Mass    .
                                                                                               Volume
Which statement about the densities of these three objects is correct?

1) B is more dense than A.             2) A is more dense than C.
3) B and C have equal densities.    4) A and C have equal densities.
Which statement is best supported by the data in the table?
A) Venus takes less time to orbit the Sun than Mercury does.
B) Mars takes less time to orbit the Sun than Earth does.
C) Mars takes more time to orbit the Sun than Earth does.
D) Venus takes more time to orbit the Sun than Mars does.
The data table below shows the average distance of four planets from the Sun and
the approximate time it takes those planets to orbit the Sun.
The diagram below shows the Moon revolving around Earth as viewed from space.
What makes it possible to see the Moon from Earth?

A) The surface of the Moon emits its own light, which can be seen from Earth.
B) The Moon absorbs light during the day and emits the light at night.
C) Light emitted by Earth illuminates the Moon’s surface, making it visible.
D) Light emitted by the Sun is reflected to Earth by the Moon’s surface.
Predict how many centimeters the spring will stretch
if a total mass of 700 grams were attached.
What mass would be needed to stretch the spring
to a length of 60 cm?
During this experiment different rubber bands
were stretched to see how far they would stretch.
What would be an appropriate label for the columns?
A. The person stretching the rubber bands
B. Type of rubber band
C. size of rubber band (cm)
D. distance rubber band stretched (cm)
In this data table what elements of a good data table are missing?

A. Column label/s for the independent variable/s
B. Labels for the amount of mass used to stretch rubberbands
C. Nothing is missing
D. Column label/s for the dependent variable/s


Two students were hanging 100g masses off of 2 rubber bands to
see how far they would stretch. A more appropriate title for this
data table would be...

A. Stretch Data
B. Stretch of 2 Different Rubber Bands
C. Data Table
D. Size of 2 Different Rubber Bands
This is an example of a...

A. Data Table
B. Procedure
C. Graph
D. Analysis
This is an example of a...
A. Graph
B. Data Table
C. Analysis
D. Procedure
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