THE ORIGIN OF EARTH

Earth, and the rest of the solar system, formed from a giant cloud of gas and dust in space called a __.

• protosun

• nebula

• galaxy

• comet

Answer explanation

Tags

NGSS.MS-ESS1-1

Since the early Earth was molten, the most dense material sank to the center forming the ________. Less dense material rose towards the surface, forming the ____________. This process is known as DIFFERENTIATION.

• core; crust

• crust: core

Answer explanation

Tags

NGSS.HS-ESS1-6

What is the name for the scientific explanation for the origin of our Solar System (Sun and the planets)?

• The accretion hypothesis

• The nebular hypothesis

• The gravitational collapse hypothesis

• The protoplanetary hypothesis

What is the big bang theory?

• A theory that states that the universe started in a large mass and then imploded to form everything.

• A theory that states that the universe was there, will be and is there. Is homogeneous and isotropic.

• A theory that states that the universe is slowly coming back to a center.

• A theory that states that the universe started in a small mass and then expanded, the expansion cooled down the temperature and that resulted in the formation of matter, energy, space and time.

Tags

NGSS.HS-ESS1-2

The universe formed from a tremendous expansion about 14-15 billion years ago. This formation theory is called ______________________.

• the Big Bang Theory

• red shift

• the Collision-Ejection Theory

• the Nebular Hypothesis

Tags

NGSS.HS-ESS1-2

All of space and everything in it is called _______________.

• the universe

• origin

• the big bang

• position

Our sun and everything that revolves around it is called our ________________________.

• solar system

• galaxy

• universe

• rotation

Tags

NGSS.HS-ESS1-4

All of the matter in the universe, before its formation, was found at a single place called ________________.

• opposition

• singularity

• totality

• da place to be

Tags

NGSS.HS-ESS1-2

As the large cloud of gas and dust starts to rotate, the material starts pull together toward the center and glows as it heats up (not yet fusing hydrogen). This is called a _______________.

• star

• protostar

• blackhole

• red giant

As you move farther away from the center of a star or protostar, its temperature _________________.

• gets hotter

• gets cooler

• remains the same