Physical Properties, Locations, and Movements of Objects in the Solar System

Most Kuiper Belt objects have similar compositions to which of the following objects?

• asteroids

• comets

• meteorites

• meteoroids

Tags

NGSS.MS-PS1-1

This crater is located near Flagstaff, Arizona. Which of these objects created this crater?

• meteoroid

• meteor

• meteorite

• Kuiper Belt object

Tags

NGSS.MS-PS2-4

On many planets, an atmosphere acts as insulation. Mercury has almost no atmosphere. How does the lack of atmosphere affect temperatures on Mercury?

• Temperatures vary less than they would with an atmosphere.

• Temperatures vary more than they would with an atmosphere.

• Temperatures would not be affected if the planet had an atmosphere.

• Temperatures would be affected if the planet had an atmosphere, but only when the planet is closest to the sun.

Venus and Earth have similar gravities. Mercury and Mars have almost the same gravity, even though Mercury is much smaller. Density affects the force of gravity. The figure below contains information about the densities of four planets. Which of these statements explains the similar gravities on Mars and Mercury?

• Mercury is denser than Mars.

• Mercury is smaller than Mars.

• Mercury is not as dense as Mars.

• Mercury has more rocks than Mars does.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which planet (or planets) has 60 or more moons?

• Jupiter only

• Jupiter and Saturn only

• Jupiter, Saturn, and Neptune only

• Jupiter, Saturn, Neptune, and Uranus

Where are dwarf planets located?

• Oort cloud only

• Kuiper Belt only

• Oort cloud and Kuiper Belt

• Kuiper Belt and asteroid belt

What is the Oort cloud made up of?

• trillions of comets

• dwarf planets and meteoroids

• some comets and many asteroids

• equal numbers of comets, asteroids, and meteoroids

What is the best reason why spacecraft have not been sent deep within Jupiter to explore the planet?

• Jupiter has too rapid a period of rotation.

• Jupiter is much denser than Earth.

• Jupiter is too far from Earth.

• Jupiter has much greater atmospheric pressure than Earth does.

What shape is the orbit of a planet around a star?

• Circular

• Triangular

• Elliptical

• Square

Tags

NGSS.HS-ESS1-4

If you weigh 100 lb on Earth, how much would you weigh on Venus according to the diagram?

• 17 lb

• 38 lb

• 91 lb

• 114 lb

Tags

NGSS.MS-ESS1-2