TCAP Review Question Preview (ID: 61447)
TN 8th Grade Science Standards.
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When the solar system was very young, the sun was just being formed and planets had not yet been made. The solar system was mostly gas and dust. Which statement BEST explains how planets formed in the early solar system?
a) Planets formed from magnetism in space that interacted with light from the stars.
b) Planets formed from large asteroids that had broken apart.
c) Planets formed from molten metal in volcanic eruptions.
d) Planets formed from small amounts of debris that were attracted together because of gravity.
Students are using balloons to describe the expanding universe model. If the students arrange the balloons on the floor, how should the students move or change the balloons to demonstrate the universe is expanding?
a) All of the balloons should be moved to the center of the floor
b) Each balloon should be inflated more so that they are all increasing in size
c) Each balloon should be deflated so that there is more distance between the surface of each balloon
d) All of the balloons should be moved away from each other so there is more distance between them
A student stands in a school hallway. The student cannot see inside the classroom but can hear noises. Which of these BEST explains why the student hears the noises but cannot see into the classroom?
a) Sound waves are absorbed by the wall, and visible light waves are transmitted through the wall
b) Sound waves are transmitted through the wall, and visible light waves are reflected by the wall.
c) Sound waves are reflected by the wall, and visible light waves are refracted by the wall.
d) Sound waves are reflected by the wall, and visible light waves are absorbed by the wall.
Obsidian is a glassy igneous rock. Which type of rock forms in a similar manner but at a slower rate?
a) schist, which forms under extreme heat and pressure
b) conglomerate, which forms when different-sized sediments cement together
c) gypsum, which forms when water evaporates and leaves behind minerals
d) granite, which forms as magma cools deep underground
Which statement BEST describes the process of the formation of the solar system?
a) gravity pulled the gas and dust together
b) a black hole pulled the gas and dust together
c) an explosion pushed the gas and dust together
d) magnetism attracted the gas and dust together
A heavy flood washed away over 5 meters of soil and rock exposing marine fossils. Which statement BEST explains the presence of these marine fossils in an inland area of the United States?
a) The organisms of the fossils could live in water and on land
b) the organisms of the fossils grew on terrestrial surfaces
c) the fossils were carried to the area by flood waters
d) the area used to be covered by an ocean
Fossils are primarily found in which type of rock?
a) sedimentary
b) igneous
c) metamorphic
d) nonsedimentary
A student is able to see their reflection in a mirror because
a) visible light refracts around the mirror creating an image
b) visible light is diffracted and the image is reversed
c) visible light is reflected producing an image on the glass
d) visible light is absorbed producing an image on the glass
ALL of the following support the big bang theory except
a) the presence of dark matter
b) redshift of light from distant galaxies
c) emission of low-energy microwaves by distant objects
d) the presence of hydrogen
How are faults that occur in the middle of tectonic plates different from plate boundaries
a) Plate boundaries are sites for earthquakes but faults are not
b) Plate boundaries occur between tectonic plates while faults can occur anywhere
c) Faults cover larger areas than the intersections between plates
d) Faults are the sites of volcanoes while the intersections between plates are not
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