earth formation Review

The Earth is estimated to be approximately:

• 4.5 billion years old

• 4.5 million years old

• 45 billion years old

• 45 million years old

Tags

NGSS.HS-ESS1-2

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

• nebula
• supernova
• accretion disc
• bombardment

A massive explosion of a star is called . . .

• supernova
• nebula
• pulsar
• black hole

Tags

NGSS.HS-ESS1-3

Smaller particles collecting together into larger and larger objects is called . . .

• accretion
• contraction
• explosion
• rotation

The 4 rocky planets closest to the sun are known as the 

• inner planets
• outer planets
• gas giants
• tiny four

Which of the following is NOT true of all the inner planets?

• they are made of solid rock     
• they are called gas giants     
• they have no rings     
• they have impact craters      

the planets of the solar system formed as 

• the center of the gas cloud cooled
• planetesimals flattened into a rotating disk
• planetesimals collided into one another
• the sun absorbed extra gas and dust from the solar system

Tags

NGSS.MS-ESS1-2

What is a small body from which a planet originated in the early stages of development of the solar system called?

• inertia
• planetesimal
• terrestrial planet
• gas giant

Which of these affects tides the most?

• Mars
• the Sun
• the stars
• the Moon

Tags

NGSS.MS-ESS1-1

Planets form by a process called...

• accretion
• dark matter interactions
• electromagnetic radiation
• sun-dropping