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WGU C165 INTEGRATED PHYSICAL SCIENCES OBJECTIVE
ASSESSMENT 2022/2023
1. A mathematical model is used to predict the trajectory Physics
of a bullet fired from a gun.
Which discipline of physical science is used to devel-
op this model?
2. An environmental scientist monitors pollutants in a 1. Chemistry
lake.
2. Earth science
Which two disciplines of physical science does this
scientist use?
Choose 2 answers
3. Which study involves both Earth science and Calculating how
physics? much energy is
associated with a
hurricane
4. Which question could be answered with a controlled Does ice melt
experiment? faster in an empty
glass or in a glass
full of water?
5. Which topic would be appropriate for a controlled Determining how
experiment? fast different
chemical pollu-
tants dissolve in
water
6. Which question requires a controlled experiment to Which elements
answer? are found in
Earth's atmos-
phere?
7. Sir Isaac Newton discovered that the force of gravi- Law
ty between two masses increases if the masses in-
crease, and decreases if the distance between the
masses increases. No experiments have ever contra-
8. The well-accepted scientific explanation for many Theory
characteristics of Earth's crust states that the crust
is broken into several large plates. These plates move
slowly over the mantle below because of convection
and other processes. Earthquakes and volcanoes are
most common at places where the plates interact. Evi-
dence from physics, chemistry, and geology supports
this explanation.
Which type of scientific idea is this explanation an
example of?
9. A student proposes that sugar will dissolve faster in Hypothesis
rubbing alcohol than in water. The student reasons
that sugar and rubbing alcohol both contain carbon
so they will mix more easily.
Which type of scientific idea is the student's proposal
an example of?
10. Why was the shrinking Earth idea replaced by the Plate tectonics ex-
theory of plate tectonics? plained observa-
tions about Earth
that the shrinking
Earth idea could
not explain.
11. Astronomers have long accepted that plate tectonics Carry out further
exists nowhere in our solar system except on Earth. research to gain
In 2011, a scientist analyzed 100 NASA-space-mission more understand-
photographs of Valles Marineris on Mars, the longest ing of possible
known series of canyons in the solar system. The plate tectonics on
scientist found that Valles Marineris showed features Mars
found only in locations on Earth where major tectonic
plates divide.
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