SC.8.E.5.7- Solar System

Our galaxy is where Earth is located in called what?

• Orion's Belt

• Andromeda

• Hydra

• Milky Way

The Sun is considered a _____________ in our galaxy.

• Moon

• Planet

• Star

• Dwarf Star

__________are objects that orbit planets.

• Asteroids

• Moons

• Comets

• Planets

Planets such as _________________and _____________don’t have any moons at all.

• Mars and Earth

• Pluto and Neptune

• Uranus and Mercury

• Mercury and Venus

True or False. Pluto is considered a dwarf planet?

• True

• False

Which planets in our solar system are considered to be rocky?

• Mercury, Venus, Earth, Mars

• Venus, Earth, Mars, Jupiter

• Saturn, Uranus, Neptune, Pluto

• Venus, Earth, Mars, Jupiter

Why is Venus so much hotter even though it is further away from the Sun?

• Venus doesn’t have an atmosphere which causes the planet to become much hotter than other planets.

• Venus’ atmosphere is so dense that heat is trapped and can barely escape, making it hotter than other planets.

• Venus has different layers in our atmosphere which causes Venus to be hotter.

• Venus atmosphere is so thin that heat is able to pass through and make the planet hotter.

True or False. The atmosphere protects the Earth from harmful radiation.

• True

• False

Which of the earlier models of the Solar System, Geocentric or Heliocentric, is most similar to the Solar System as we know it to be today and why?

• A. Geocentric, because only the moon is shown orbiting the Earth.

• B. Geocentric, which includes all eight planets.

• C. Heliocentric, which includes all nine planets.

• D. Heliocentric, because the planets are orbiting the Sun.

What does the term heliocentric mean?

• helium centered

• earth centered

• sun centered

• space centered