Earth Formation

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

In the earliest stages of Earth's development, our planet was made of what?

• Cotton Candy

• Molten rock

• Molten rock with a thin, hard crust

• Water

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

What are the small bodies in the early stages of development of the solar system called?

• inertia

• planetesimal

• terrestrial planet

• gas giant

Tags

NGSS.MS-ESS1-3

How did water get to earth?

• It was naturally here when earth was forming

• Icey Comets collided with earth

• Meteorites (Carbonaceous Chondrite) collided with earth

• The accretion disk from the solar systems origin had high levels of water

What was an source of heat on the early earth?

• Radioactivity

• Gravitation Pressure

• Accretion (collisions with other materials)

• All of the above

Tags

NGSS.HS-ESS2-3

What is the process called that allowed dust to progress to planetesimals, then protoplanets, and finally planets

The moon probably formed when...

• A piece of the Earth broke off due to it's fast rotation

• A Mars-sized object rammed into the Earth

• Earth captured the moon gravitationally as it attempted to pass by.

• the molten bubble of the Earth budded.

Tags

NGSS.MS-ESS1-1

What are Tectonic plates?

• Large moving pieces on Earth's surface that are made of rock.

• where two plates divide

• The inner core of the earth

• where magma rises up and solidifies

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

How many layers does Earth have?

• 1

• 2

• 3

• 4