Download Earth Science Unit Test 8.E.5A

Earth Science Unit Test
8.E.5A
Directions: Select the best answer for each item.
1. (8.P.1A.1) Objects of the same mass but of different sizes and shapes were dropped from a
given height. Their rates of free fall were measured and recorded. Which of the following is
most likely the question this experiment was designed to answer?
a. How do mass and weight affect falling objects?
b. How do size and shape affect an object’s rate of free fall?
c. How does gravity affect objects of different densities?
d. How does height affect the force of gravity?
2. (8.P.1A.3) Some students investigate the rusting rate of four metals in saltwater. To best find the
rusting rates, they should measure the masses of the metals before the investigation and at —
a. the same time and day during each week of the investigation
b. different times and days during each week of the investigation
c. any time during the first week of the investigation
d. one randomly selected time during the investigation
3. (8.P.1A.3) Batches of seeds are soaked in different salt solutions and seed growth is counted for
each. What is the dependent variable?
a. batches of seeds
b. different salt solutions
c. the amount of seed growth
d. two weeks
4. (8.P.1A.3) What should you do if you break a piece of glassware in the laboratory?
a. Clean up the broken glass as quickly as possible.
b. Push the broken pieces of glass out of the way until you have time to clean it up.
c. Tell your lab partner about the broken glass immediately.
d. Tell your teacher about the broken glass immediately.
5. (8.P.1A.4) The Mohs scale for minerals is shown below. An unidentified
mineral scratches fluorite but not quartz. According to the Mohs scale,
what could be the unidentified mineral?
a. apatite
b. calcite
c. diamond
d. topaz
6. (8.E.5A.3) Even though the Earth’s inner core is hotter than the liquid outer core, it is still solid
because —
a. the heat rising from the inner core is melting the outer core
b. there is more water in the outer core and it dilutes the materials
c. the outer core is farther from the center, and there is less gravity holding it together
d. the pressure from all of Earth’s layers keeps it in a solid state
7. (8.E.5A.3) The Lithosphere is composed of __________.
a. Basalt and Iron
b. Basalt and Granite
c. Granite and Magnesium
d. Iron and Magnesium
Use the Diagram to answer #8-9.
ROCK 1
Erosion
???
Compaction
ROCK 2
8. (8-3.4) The processes shown above changed Rock 1 into Rock 2. Rock 2 is a __________.
a. Igneous Rock
b. Metamorphic Rock
c. Sedimentary Rock
d. Any of the Rock Types
9. (8-3.4) Rock 1 most likely was __________.
a. Igneous Rock
b. Metamorphic Rock
c. Sedimentary Rock
d. Any of the Rock Types
10. (8.E.5A.2) The types of rocks that require pressure to form are __________.
a. Sedimentary and Metamorphic
b. Metamorphic and Igneous
c. Igneous and Sedimentary
d. All of the rocks need pressure
Use the diagram to answer item #11 and #12.
11. (8.E.5A.4) The movement of plates at this boundary is shown by the pair of arrows labeled
__________.
a.
b.
c.
12. (8.E.5A.4) This boundary is classified as _________.
a. A Hotspot
b. Convergent
c. Divergent
d. Transform
d.
13. (8.E.5A.5) The diagram below shows two locations where
fossils of Mesosaurus have been found. Mesosaurus was a
freshwater reptile that existed on Earth about 250 million
years ago. Which statement best explains why these
freshwater Mesosaurus fossils are found today in some
rock layers in both South America and Africa?
a. Mesosaurus swam across the ocean between the
continents.
b. The continents were once connected as a single
landmass.
c. Global warming has been raising the sea level in the Atlantic Ocean.
d. The remains of Mesosaurus were carried across the ocean by predators.
14. (8.E.5B.1) Which provides the best evidence for the theory that faults and volcanoes are results
of tectonic plate interactions?
a. Faults on tectonic plates are in constant motion, but volcanoes may not erupt for many
years.
b. Faults and volcanoes existed long before there were tectonic plates.
c. Tectonic plates that have many faults do not usually have volcanoes.
d. Faults and volcanoes are often found at tectonic plate boundaries.
Use the Pictures to answer item #14.
15. (8.E.5B.2) The event that most likely caused this change in landform was __________.
a. A Meteor Impact
b. A Volcanic Eruption
c. An Earthquake
d. Long-Term Erosion
Use the Diagram to answer item #15.
16. (8.E.5B.2) Island Arcs, such as Hawaii, formed due to
activity at a __________.
a. Convergent Boundary
b. Divergent Boundary
c. Hotspot Fissure
d. Transform Boundary
17. (8.E.5B.2) After an Earthquake, the seismic waves move out from the focus because of all of the
following events EXCEPT __________.
a. Energy is released
b. Pressure levels change
c. Rocks break at the focus
d. The plates move outward
18. (8.E.5B.2) The order of seismic waves leaving from the focus is __________.
a. P-wave, S-wave, Surface Wave
b. P-wave, Surface Wave, S-wave
c. S-wave, Surface Wave, P-wave
d. Surface Wave, P-wave, S-wave
Use the diagram to answer item #18.
A
19. (8.E.5B.2) The epicenter is located at __________.
a. A
b. B
c. C
d. D
B
C
D
20. (8.E.5C.1) Which of the following best describes a mineral?
a. a liquid chemical used to make soil more fertile
b. a material that was once living but has decayed
c. a nutrient produced by plants that other organisms need
d. a solid natural material with a crystal structure
21. (8.E.5C.1) Scientists estimate that Maryland contains more than 850 million tons of coal. Coal is
most commonly used to produce
a. electricity
b. medicine
c. metals
d. water
Use the map to answer items #22 and #23.
22. (8-3.9) The Peak of the Mountain is located
at __________.
a. A
b. B
c. C
d. D
A
C
D
B
23. (8-3.9) The elevation of Black Bear Camp is…
a. 460 m
b. 520 m
c. 640 m
d. 720 m
24. (8.E.5A.2) Fill in the following rock cycle diagram on your ANSWER SHEET.