Grade 6 The Formation of the Solar System

Where is the asteroid belt?

• between earth and venus

• between Jupiter and Saturn

• between Saturn and Uranus

• between Mars and Jupiter

Which of the following are the closest to the sun?

• terrestrial planets
• gas giant planets

A celestial cloud of dust and gas is called . . .

• nebula
• supernova
• accretion disc
• bombardment

How old is our solar system?

• 4.5 billion years

• 13.8 billion years

• 6,000 years

• 15,000 years

What materials could not survive the heat where the rocky planets were formed?

• Gamma Rays
• Plasma
• Ice and Gas
• Rocks

Characteristics of the inner planets include:

• Small, rocky, few or no moons, warm

• Large, rocky and cold

• Small, gaseous, no moons and cold

• Large, gaseous and have many moons

The group of inner planets are known as:

• The Terrestrial Planets
• The Gas Giants
• The Outer Planets
• The Hallow Planets

A nebula is:

• A cloud of ice
• A cloud of dust and gas
• A cloud of just gas
• A cloud of just dust

The 4 outer planets (IN ORDER from the Sun) are:

• Jupiter, Saturn, Pluto, Neptune

• Pluto, Neptune, Uranus, Saturn, Jupiter

• Jupiter, Saturn, Uranus, Neptune

• Neptune, Uranus, Saturn, Jupiter

The 4 inner planets (IN ORDER) from the Sun are:

• Mars, Earth, Venus, Mercury

• Earth, Venus, Mars, Mercury

• Mercury, Venus, Earth, Mars

• Venus, Mercury, Earth, Mars