Eighth Grade (Grade 8) Small Bodies and Dwarf Planets Questions for Tests and Worksheets

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Grade 8 Small Bodies and Dwarf Planets

Which of the following statements about stars is true?

The temperature of a star determines its color.
The stars with the highest temperature are red.
There is no relation between temperature and color.
The biggest stars are red.

Grade 8 Small Bodies and Dwarf Planets

What is the color of the star with the highest temperature?

red
yellow
white
blue

Grade 8 Small Bodies and Dwarf Planets

This is a solid piece of debris from an object which successfully passes through Earth's atmosphere.

comet
meteor
asteroid
meteorite

Grade 8 Small Bodies and Dwarf Planets

This is the oldest type of galaxy.

spiral
eliptical
irregular
bulge

Grade 8 Small Bodies and Dwarf Planets

This is the youngest type of galaxy. It has no distinct shape.

spiral
eliptical
irregular
bulge

Grade 8 Small Bodies and Dwarf Planets

This is a small rocky or metallic body which enters Earth's atmosphere, but burns up before it reaches the end.

comet
meteor
asteroid
meteorite

Grade 8 Small Bodies and Dwarf Planets

Most comets have orbits that carry them far out of the solar system, and then back in to pass close near the sun.

True
False

Grade 8 Small Bodies and Dwarf Planets

If we took all of the known asteroids and packed them together, the resulting planet would be as large as the Earth.

True
False

Grade 8 Small Bodies and Dwarf Planets

A comet's tail is composed of gas and dust pulled off by the Sun's gravity.

True
False

Grade 8 Small Bodies and Dwarf Planets

Short period comets originate from Oort cloud.

True
False

Grade 8 Small Bodies and Dwarf Planets

The mass of a black hole is no greater than its original star. The reason for its increased gravitational pull is due to how much mass is compacted into a much smaller size, decreasing the distance from the center of its pull.

True
False

Grade 8 Small Bodies and Dwarf Planets

Match the following terms with their correct definitions.

__	A body that or it’s the Sun and has sufficient mass/gravity to be nearly round	A.	Superior
__	Earth’s orbit around the Sun	B.	Elongation
__	Planets whose orbits are closer to the Sun than Earth’s	C.	Retrograde Motion
__	Planets whose orbits are outside Earth’s	D.	Inferior
__	The mean time required for the moon’s phases to repeat	E.	Planet
__	The distance east or west of the Sun	F.	Synodic Month
__	A planets seemingly reversal or westward motion	G.	Ecliptic

Grade 8 Small Bodies and Dwarf Planets

How many light years from the Sun is the Oort cloud located?

Grade 8 Small Bodies and Dwarf Planets

The dwarf planet Pluto can be found in Trojan asteroids region.

True
False

Grade 8 Small Bodies and Dwarf Planets

Many astronomers believe that comets come from materials brought about by volcanic eruptions from the moons of the outer planets.

True
False

Grade 8 Small Bodies and Dwarf Planets

A heavenly body composed of a nucleus of ice and dust and, when near the Sun, a "tail" of gas and dust particles pointing away from the sun is a/an         comet        .

A small, rocky body orbiting the Sun is called a/an            asteroid           .

Small body of matter from outer space that enters Earth's atmosphere and briefly appears as a streak of light is called a/an          meteor         .

A natural or man-made object in orbit around Earth or another planet is called a/an             satellite            .

Grade 8 Small Bodies and Dwarf Planets

A meteor that has landed on Earth's surface.

meteoroid
meteorite
asteroid
meteor

Grade 8 Small Bodies and Dwarf Planets

Jupiter has at least 17 moons that astronomers know of. What are the 4 largest?

Io
Europa
Ganymede
Callisto
all of the above

Grade 8 Small Bodies and Dwarf Planets

Name Saturn's largest moon. Titan

Grade 8 Small Bodies and Dwarf Planets

Discovered in 1877 by Asaph Hall. Named for two sons of Ares and Aphrodite. Greek for "fear" and "panic"; one orbits closer to the planet than the other. One is the smallest moon in the solar system. Both are heavily cratered, rich in carbon, and believed to have water ice.

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Eighth Grade (Grade 8) Small Bodies and Dwarf Planets Questions