7th Grade Unit 6 Test

Made mostly of ice, fits best under which heading in the above Venn diagram?

• Asteroid

• Meteor

• Comet

• Section X

Which of the following accurately describes the orbital path of most planets in our solar system?

• The orbital path is in a perfect circle.

• The orbital path is in an ellipse, but looks almost circular.

• The orbital path is in a large elliptical shape.

• The orbital path varies greatly from planet to planet

Which of the following represents characteristics of the four planets closest to the Sun?

• • Larger planets

• • Gas giants

• • Rocky (terrestrial) planets

• • 4 or more moons

Which direction do all of the planets go around the sun?

• clockwise

• counter-clockwise

• verticle

• horizontal

Answer explanation

All planets in our solar system orbit the sun in a counter-clockwise direction when viewed from above the sun's north pole. This consistent motion is a result of the initial conditions of the solar system's formation.

The 4 gas giants take _____________ to orbit the sun than the 4 terrestrial planets

• the same amount of time

• longer

• less time

A planet is a celestial body that orbits a...

• star

• moon

• asteroid

• comet

Tags

112.20.b.8.A

Which planet has the longest revolution around the Sun?

• Jupiter

• Saturn

• Uranus

• Neptune

What do the dotted lines represent?

• Orbital Paths

• Asteroids

• Pluto

• Comets

Which of the Inner Planets has the longest year?

• Mercury

• Venus

• Earth

• Mars

Mars is very similar to Earth. Which of the following statements describes a property of Earth, but NOT a property of Mars?

• • An abundance of liquid water is located on the planet.

• • One or more moons orbit the planet.

• • The planet is constantly in motion.

• • The orbital path is predictable