Earth/Space Science SC.8.E.5.9

Geologic TimeSC.8.E.5.9

100

There are different geological time period .What is NOT a geologic time period? A. Pangaea Era B. Cenozoic Era C. Mesozoic Era D. Paleozoic Era

A. Pangaea Era

200

There are used to determine te top three layers. Which principal would be used to determine the relative ages of the top three rock layers. A. Superposition B. Uniformity C. Absolute dating D. Radioactive decay

A. superpositon

300

There are different ages of a rock layers. During field investigations of undisturbed rock layers, scientist can assume that the relative age of that rock layer is probably _______? A. Younger than the rock layer below it. B. older than a fossil C. rock layers D. radioactive decay

A. Younger than the rock layer below it.

400

They are a method to find in rocks.George used radiometric dating in a laboratory investigation. He used this method because he wanted to find________? A. absolute ages of rocks. B. the climate during a certain era. C.the types of fossils found in a rock D. All of the above.

A. absolute ages of rocks.

500

The data below shows how much of a radioactive sample is left after each half-life. The sample's half-life is 5 minutes. If everything remains the same, what fraction of the radioactive isotope will be left after 20 minutes. A. 1/16 B. 20 minutes C. 1/4 D. 1/2

A. 1/16

MoonSC.8.E.5.9

100

There are many forces and gravity on the earth surface.The force of gravity on the surface of the moon is about one-sixth the force of gravity on the surface of Earth. Which describes the relationship of mass and weight of an object on the moon compared to that on Earth? A.mass is the same, but weight is less on the moon. B. Both masses and weight are greater on the moon C.both mass and weight are less on the moon. D.but mass is less on the moon.

A. Mass is the same , but weight is less on the moon.

200

Some can be an eclipse .Which of the following occurs when Earth is positioned directly between the Sun and the Moon, making the Moon invisible to observers on Earth? A. A lunar eclipse. B. a solar eclipse C. a full moon D.a waxing moon

A. A lunar eclipse.

300

Earth has no gravity. The gravitational pull of the Moon has a greater effect than the pull of the Sun on the tidal changes on Earth's oceans. The most likely reason for this is ? A.the moon is closer to Earth. B.the moon is closer to Earth. C.the sun is larger than the moon. D.earth is larger than the moon.

A.the moon is closer to Earth.

400

There is an portion use to connect to the moon.What is it called when the lighted portion of the Moon appears to get larger? A.Waxing B. Waning C. Roating D. Crescent

A.Waxing

500

Why did the heliocentric model relplace the geocentric model as the generally accepted explanation of the motion of the sun and moon? A.geocentric model is not concistent with the concept of gravity. B.the geocentric model could not explain how solar eclipses occur. C. data was collected that was not consistent with heliocentric model, calculations proved the Earth is smaller than the sun. D. so Earth must revolve around the sun.

A.geocentric model is not consistent with the concept of gravity.

FossilsSC.8.E.5.9

100

Which of the following would not be called an "original remains" fossil? (A.A plant fossil caught in a tar pit, B. a fly caught in amber, C. a dinosaur tooth, D. a frozen woolly mammoth)

C. a dinosaur tooth

200

There are a tough condition.Which of the following conditions makes fossils formation more likely? A.Buried slowly, B.attacked by scabengers, C.made of hard parts, D. composed of soft parts.

C.made of hard parts.

300

there are many types of radioactive decay. In one type of radioactive decay, which of the following breaks down releasing an electron? A.Alpha particles B.beta particle C.Proton D. Neutron

D. a Neutron

400

What would happen if someone were able to mix a large amount of the daughter isotope into a sample before it was subjected to radiometric dating? A. the sample would be easier to measure. B. the sample would seem older that it was.C. the sample would decay more quickly D. nothing would happen.

B. the sample would seem older that it was

500

There is a process to calculate grams.A sample of 100 grams of carbon-14 has decayed to 25 grams of carbon-14. About how long has this process taken. A.5,000 B.10,000 C.20,000 D.25,000

B. 10,000

Planets/GalaxySC.8.E.5.9

100

The planet Mars has season's similar to those on Earth.The most likely reason for this is________. A.Mars is the same distance from the sun as Earth, B.Mars is tilted on its axis in the same way as Earth,C. Mars is traveling at the same speed as Earth,D. Mars is the same size as Earth)

A.Mars is tilted on its axis in the same way as Earth

200

there are measurement use to study planets. Which of the following would be measured using kilometers? (A.The diameter of Mars,B. the weight of Mars, C.the density of Mars,D. the age of Mars)

A.The diameter of Mars.

300

Light Can escape an object.An object that allows absolutely no light to escape would appear to be what color? A.Black B.yellow C.blue D.white

A.Black

400

In the expanding universe, observable galaxies are moving farther apart from each other. From this statement, what should be the Doppler Effect when observing a star in another galaxy? A.No shift B. Blue shift C.the shifts will vary between red and blue D. Red shifts

D. Red shifts

500

Scientist have identified different types of galaxies. Which question would be the LEAST important to ask when identifying a galaxy's type? A.does the galaxy have spiral arms,B. how large is the galaxy, C.what is the shape of the galaxy, D.does the galaxy orbit the Milky Way

D.does the galaxy orbit the Milky Way

StarsSC.8.E.5.9

100

An astronomer measured the distance between two stars. The distance the astronomer recorded was probably measured it_______. A.light-years B.centimeters C. tons D.inches

A.light-years

200

In the core of a star, the temperature can reach heights unknown on Earth. The process by which stars generate energy is called ? A.photosynthesis B. fusion C.condensation D.radiation)

B. Fusion

300

Which forces are most important in determing the life cycle of a star? (magnetism and surface temperatures, luminosity and distance from the Earth, Fusion and gravity, age and rotational speed)

What is Fusion and gravity

400

The spectrum of a star appears to shift as it moves toward or away from Earth. This shift in the wavelength of light is called the....(doppler effect, hertzsprung-russell diagram, big bang theory, luminosity)

What is the doppler effect

500

What is the result of the fusion of two hydrogen-3 nuclei? (one helium-4 nuclei, two prontosn and energy, two helium-4 nuclei and energy, one hydrogen-2 nucleus, one proton and energy, three hydrogen-2 nuclei)

What is one helium-4 nuclei, two prontosn and energy