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2022 Grade 8 Intermediate-Level Science Test Questions 21-30
Test Description: Use your knowledge of Science to answer all questions. Good Luck.
Instructions: Answer all questions to get your test result.
1) Gravity is the major force that
A
keeps planets in their orbits
B
affects melting of a solid
C
keeps sunlight in Earth’s atmosphere
D
affects evaporation of water from oceans
Helpful Hint
The diagram below represents Earth’s interior divided into four layers, each with unique properties.
2) This model of Earth is based primarily on the
A
analysis of earthquake waves
B
classification of volcanic eruptions
C
study of ocean tides
D
observation of meteor showers
Helpful Hint
The diagram below represents a grasshopper and includes information about some of its body parts.
3) The grasshopper is classified as a
A
producer
B
herbivore
C
carnivore
D
decomposer
Helpful Hint
Cross section 1 below represents deformed rock layers. Cross section 2 below represents the same location millions of years later.
4) Which two factors are mainly responsible for changing the surface features shown in cross section 1 into the surface features shown in cross section 2?
A
tilting and deposition
B
freezing and condensation
C
melting and evaporation
D
weathering and erosion
5) Which model below best represents the relative sizes of celestial objects from largest to smallest?
A
B
B
C
C
D
D
A
Helpful Hint
The map below shows a portion of Earth’s surface where two tectonic plates are located. The arrows indicate the direction of plate movement along the boundary between the two plates.
6) If the African Plate and Arabian Plate continue to move in the directions the arrows indicate, the Red Sea will most likely become
A
narrower because the two tectonic plates are moving apart
B
wider because the two tectonic plates are moving apart
C
wider because the two tectonic plates are coming together
D
narrower because the two tectonic plates are coming together
7) Rocks are classified into one of three major groups according to
A
the depth where they are found
B
their chemical properties
C
how they formed
D
their age
8) An air mass that forms over the ocean near the equator will most likely be
A
cold and humid
B
cold and dry
C
warm and dry
D
warm and humid
9) Which two factors are most responsible for the movement of air masses over the United States?
A
prevailing winds and upper air currents
B
thunderstorms and hurricanes
C
thunderstorms and upper air currents
D
prevailing winds and hurricanes
10) Sugar will most likely dissolve in water at the fastest rate when the temperature of the water is
A
cool and the solution is not stirred
B
warm and the solution is stirred
C
warm and the solution is not stirred
D
cool and the solution is stirred
*select an answer for all questions
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