Astronomy

What is a cloud of gas and dust in space called?

• Star

• Meteor

• Planet

• Nebula

What theory states that our Solar System formed when a gas, and dust began to spin and came together under its own gravity to form our Sun and planets?

• Hubble Theory

• Big Bang Theory

• Nebular Theory

• Sheldon Cooper Theory

What causes a nebula to collapse in on itself

• Light waves

• Gravity

• A supernova

• solar winds

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

True or False: As a nebula collapses and flattens it spins faster

• True

• False

Tags

NGSS.MS-ESS1-2

The distance from the center of the Earth to the center of the Sun is called 1 _________

• Astronomical Unit

• Cosmic Distancwe

• Light Year

• Millennium

Tags

NGSS.MS-ESS1-3

Small, high density planets made of rock and metal are known as _________________ planets

• Jovian

• Planetismal

• Dwarf

• Terrestrial

As small grains of dust and sand stick together they form ____ until they are big enough to have their own gravity

• Nebula

• Planetesimals

• Comets

• satellites

Large, low density planets with thick atmospheres and high gravity are called ______ planets

• Terrestrial

• Planetesimal

• Jovian

• Dwarf

True or False:

The moon formed when a planetesimal collided with a still forming Earth

• True

• False

Tags

NGSS.HS-ESS1-6

True or False: Asteroids are leftover rocky planetesimals which did not form into Planets

• True

• False