Earth's Formation Tuesday

What force drew small particles together into larger particles?

• Accrection

• Newtons

• Gravity

• Kilometers

What swept the lighter elements out of the area that would become the inner Solar System?

• Gravity

• Rotation

• Solar Wind

• Density

What part of the Earth formed first?

• The mantle

• The crust

• The ocean

• The core

What formed the Earth’s early atmosphere?

• Comets

• Asteroids

• Water

• Volcanoes

Where did Earth’s water come from?

• Alhambra

• Costco

• Comets/Asteroids

• Nuclear Fusion

How was the Moon formed?

• Gravity pulled in an asteroid

• An impact with a large body

• Accretion

What materials were left to form the inner planets?

• Rocks

• Gas

• Water

• Magma

What have scientists been observing that helps support the core accretion model?

• Planets in our Solar System

• Exoplanets

• Other universes

• Books