Formation of Earth and Atmosphere

As you move further away from the center of the solar system:

• the planets get smaller.
• the planets get less dense.
• the planets get warmer.
• all of the above.

Which of the following lists the types of planets in the correct order from least dense to most dense?

• terrestrial, gas giant, ice giant
• ice giant, terrestrial, gas giant
• gas giant, ice giant, terrestrial
• gas giant, terrestrial, ice giant

Scientists are able to determine how the Earth formed by:

• radioactive dating of meteorites.
• analyzing craters on the Earth and Moon.
• studying the size an composition of other planets.
• all of the above.

Tags

NGSS.HS-ESS1-6

Based on current scientific evidence, how old is the Earth?

• 6,000 years old
• 460 million years old
• 4.6 billion years old
• 46 billion years old

Tags

NGSS.MS-ESS1-4

The inner core is the thickest layer of Earth?

• True

• False

Earth is made up of how many layers?

• 1

• 2

• 3

• 4

• 5

How long does it take Earth to orbit the sun?

• 24 hours

• 365.25 days

• 365 days

• 12 days

• 100 days

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Earth's atmosphere is made up mostly of ______________?

• Oxygen

• Nitrogen

• Helium

• Iron

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

• nebula
• supernova
• accretion disc
• bombardment

The sun and all the planets and other bodies that revolve around it make up the

• universe
• galaxy
• solar system
• neighborhood

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3