5th Grade Science Chapter 1 Review

Look at the illustration below. What type of galaxy is shown?

• Spiral Galaxy

• dwarf galaxy

• elliptical galaxy

• irregular galaxy

Which choice best describes the parts of the Milky Way?

• Earth, its moon, the sun, and Jupiter

• asteroids, comets, objects that orbit stars, and the sun

• gas, dust, stars, and objects that orbit stars

• the inner planets, the outer planets, gas, and dust

Which planet has a rocky surface?

• Neptune

• Venus

• Saturn

• Jupiter

Which of these planets is most like Earth?

• Jupiter

• Neptune

• Venus

• Mars

Which list shows the correct order of planets from the sun?

• Mercury, Venus, Earth, Mars

• Mars, Venus, Earth, Saturn

• Earth, Mars, Venus, Jupiter

• Uranus, Jupiter, Neptune, Saturn

What do Jupiter, Saturn, Uranus, and Neptune have in common?

• They all have rocky surfaces

• They all are gaseous planets

• They all appear to be similar to Earth

• They all appear to be made of rock and ice

Which is an object in the solar system that is a frozen mass of ice and dust?

• an asteroid

• a moon

• a planet

• a comet

Which is true about planets and asteroids?

• They are round

• They revolve around the sun

• They have an atmosphere

• The have cleared their orbit

A _________ is a huge system of gas, dust, stars, and objects orbiting stars that is held together by the gravity.

• galaxy

• meteor

• comet

• gas giant

What are the surfaces of the outer planets mostly made of?

• rocks

• gases

• minerals

• water