2021 (v202) Grade 8 Intermediate-Level Science Test Questions 31-45 Question Preview (ID: 59891)
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Scientists infer that the major cause of most earthquakes is the movement of
a) glacial ice due to unequal heating of Earth’s surface
b) shorelines due to faulting of rock layers on Earth’s crust
c) lithospheric plates due to convection cells in Earth’s mantle
d) continents due to increased greenhouse gases entering Earth’s atmosphere
Which other natural events would produce a similar pattern of shading if their occurrences were plotted on this map?
a) ice storms
b) volcanic eruptions
c) glaciers
d) hurricanes
What is the latitude and longitude of point A?
a) 30° N 90° W
b) 30° N 90° E
c) 90° N 30° W
d) 90° N 30° E
If the time at point A is 2:00 p.m., then the time at point B is
a) before 2:00 p.m.
b) 2:00 p.m.
c) after 2:00 p.m.
d)
Under which set of conditions would the greatest additional amount of sugar dissolve in 100 grams of water?
a) low water temperature and a small amount of sugar already dissolved in the water
b) low water temperature and a large amount of sugar already dissolved in the water
c) high water temperature and a small amount of sugar already dissolved in the water
d) high water temperature and a large amount of sugar already dissolved in the water
The basic difference between infrared light, visible light, and ultraviolet light is their
a) wavelength
b) temperature
c) electric charge
d) traveling speed
Compared to the shapes and volumes of the gas and liquid, the solid
a) has a definite shape and a definite volume
b) has a definite shape and no definite volume
c) takes the shape of its container and has a definite volume
d) takes the shape of its container and has no definite volume
A comparison of the three phases shows that in the sample of the liquid, the atoms have a
a) greater force of attraction than the solid and the gas
b) greater force of attraction than the gas, only
c) weaker force of attraction than the gas, only
d) weaker force of attraction than the solid and the gas
Compared to the potential energy of the roller coaster at the top of hill 1, the potential energy of the roller coaster at the top of hill 2 is
a) less because the roller coaster is at a lower elevation
b) less because the roller coaster is on a more gentle slope
c) greater because the roller coaster is at a lower elevation
d) greater because the roller coaster is on a more gentle slope
Which simple machine is represented by letter A in the diagram?
a) lever
b) pulley
c) wheel and axle
d) inclined plane
Which force causes a satellite to remain in orbit?
a) magnetism
b) gravity
c) electricity
d) friction
In this circuit, one function of the switch is to
a) store electrical energy
b) produce solar energy
c) transform electrical energy into light energy
d) complete the circuit so light is produced
Which form of energy is stored in the battery?
a) nuclear
b) light
c) chemical
d) mechanical
A student fi nds the mass of the rock to be 55.0 grams. The student is making
a) an inference
b) a hypothesis
c) an explanation
d) a measurement
What was predicted to happen to this hurricane between August 25 and August 29?
a) The wind speed would decrease and the hurricane would become weaker.
b) The wind speed would decrease and the hurricane would become stronger.
c) The wind speed would increase and the hurricane would become weaker.
d) The wind speed would increase and the hurricane would become stronger.
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