Solar System

How many known planets are in our solar system?

• 4

• 7

• 8

• 9

What dwarf planet was downgraded from planetary status in 2006?

• Mercury

• Uranus

• Neptune

• Pluto

What happens to the amount of the Sun's mass as it "burns"?

• The mass of the Sun is constant.

• It is converted into kinetic energy of the Sun.

• It is converted into radiant energy.

• It is converted into gravitational energy.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the age of the Sun?

• Nearly 5 billion years old.

• Nearly 500 million years old.

• Nearly 1 billion years old.

• Nearly 10 billion years old.

Tags

NGSS.HS-ESS1-1

Between the orbits of what two planets is the asteroid belt located?

• The asteroid belt is located between the orbits of Earth and Mars.

• The asteroid belt is located between the orbits of Jupiter and Saturn.

• The asteroid belt is located between the orbits of Saturn and Uranus.

• The asteroid belt is located between the orbits of Mars and Jupiter.

Tags

NGSS.HS-ESS1-4

The nebular hypothesis explains

• why the planets are spherical in shape.

• why the solar system is in a flattened disk.

• how the sun and planets formed from a cloud of gas and dust.

• all of the above.

Tags

NGSS.HS-ESS1-6

Because Pluto has not cleared its orbital path of debris, it was reclassified from a planet to a . . .

• asteroid.

• meteor.

• moon.

• dwarf planet.

How does changing the mass of objects affect the force of gravity?

• Increasing mass will decrease gravity
• Decreasing mass will increase gravity
• Mass will not affect gravity
• Increasing mass increases gravity

Tags

NGSS.MS-PS2-4

The planet with the shortest year is

• Earth
• Neptune
• Pluto
• Mercury

Which scientist discovered the law of gravitational attraction?

• Kepler
• Brahe
• Galileo
• Newton