Stars and Planets Review

There are many different colors of stars. Which characteristic determines the color of a star?

• temperature

• size and shape

• actual brightness

• distance from Earth

In what ways are stars different from planets?

• Stars are much larger than planets.

• Planets shine by reflected light, while stars generate their own light.

• Planets can have orbiting moons, stars can have orbiting planets.

• All of the above

The sun is a medium-sized star, but it appears much larger than other stars. Why does the sun appear to be so large?

• The sun is hotter than other stars.

• The sun produces more light than other stars.

• The sun is much closer to Earth than other stars are.

• The sun is affected by Earth's gravity more than other stars are.

The planets of our solar system are very different in size. Which list orders the planets correctly from smallest to largest?

• Jupiter-Venus-Saturn

• Neptune-Uranus-Jupiter

• Venus-Saturn-Jupiter

• Earth-Mars-Jupiter

Tags

NGSS.MS-ESS1-3

Lucas made a scale model of the solar system. What did he notice about the inner planets----Mercury, Venus, Earth, and Mars?

• They are all the same size.

• They are all larger than the sun.

• They are all larger than the outer planets.

• They are all smaller than the outer planets.

Tags

NGSS.MS-ESS1-3

Earth is one of the inner planets. Jupiter is one of the outer planets. How does each planet compare to the other planets in the group?

• Both are the largest planets in their group.

• Both are the smallest planets in their group.

• Both are the closest planets to the sun in their group.

• Both are the farthest planets to the sun in their group.

Tags

NGSS.MS-ESS1-3

A planet is...

• ...a hot ball of gas.
• ...something that can produce its own light.
• ...a body that orbits around another planet.
• ...a body of rock or gas that orbits a star.

Which of the following is an inner planet?

• Venus
• Jupiter
• Pluto
• Saturn

Which of the following is an outer planet?

• Earth
• Mars
• Venus
• Neptune

A star is...

• a hot ball of gas.
• a ball of rock or gas that orbits a star.
• a ball of rocky material that orbits a planet.
• a big yellow dot.