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Earth Science PSSA Practice
Test Description: Review questions for PSSA
Instructions: Answer all questions to get your test result.
1) Which question about the Allegheny River can BEST be answered through scientific inquiry?
A
How many species of fish are present in the river?
B
Will this river be a fun place to visit?
C
Will fishing be popular on this river in five years?
D
How much money should be spent to manage this river?
2) Which statement explains a long-term health effect of vaccinating people for a disease like measles or malaria?
A
The disease would be completely eliminated.
B
The risk of contracting the disease would be reduced.
C
Body cells would mutate to produce a new disease strain.
D
Vaccinated individuals would become carriers of the disease.
3) Which of the following describes one way scientists have used seismographs?
A
to help record atmospheric temperature changes.
B
to measure the mass of objects.
C
to view distant stars and planets.
D
to help determine the composition of Earth's interior.
4) Which statement BEST describes a dominant gene?
A
A gene that masks a recessive gene.
B
A gene that produces mutations.
C
A gene that produces a desireable trait.
D
A gene that is masked by a recessive gene.
5) Which statement describes how recycling aluminum cans positively affects the environment?
A
recycling uses energy
B
recycling conserves mineral resources
C
recycling produces air pollution.
D
recycling makes solid waste.
6) Which energy source can be described as having the GREATEST impact on Earth's living environments?
A
geothermal
B
moving water
C
the Sun
D
moving air
7) Which type of moving water provides the BEST environment for organisms that decompose dead organic matter?
A
a steep mountiain stream that flows when snow melts in the spring.
B
a rapid moving stream wtih a narrow, steep channel.
C
a very shallow river with cold clear water and a sandy bottom.
D
a slow-moving river with a wide, open channel.
8) Which statement describes two factors that have the GREATEST influence on tides?
A
Earth rotates on it's axis once each year, and the gravity of the Moon causes the oceans to bulge.
B
Earth rotates on it's axis once each day, the gravity of the Moon causes the oceans to bulge.
C
Earth revolves around the Sun once each day, and the gravity of the Sun causes the oceans to bulge.
D
the Earth revolves around the Sun once each year, and the gravity of Earth causes the oceans to bulge.
9) Which planet has the GREATEST role in changing the direction of a comets path?
A
Jupiter, because of its strong gravitational force.
B
Mars, because of it's position near the astroid belt.
C
Earth, because of it's atmosphere of Nitrogen and Carbon Dioxide.
D
Saturn, because of its ring structure.
10) What does a barometer do? (think about weather)
A
it measures wind speed.
B
it measures cloud precipitation.
C
it measures temperature changes.
D
it measures pressure changes.
11) Which physical property (phase change) causes clouds to form from water vapor in the air?
A
distillation
B
sublimation
C
condensation
D
evaporation
12) To say the Earth spins on its axis, we use the word _____________________.
A
revolve
B
rotate
13) To explain how the Moon travels in a orbital path around the Earth, we use the word _________________.
A
revolve
B
rotate
*select an answer for all questions
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