Origin of the Universe

_____________, such as the Milky Way galaxy in which Earth is located, are made up of millions to billions of stars.

• Galaxies

• Solar systems

• Clusters

• Superclusters

A __________________ is the smallest large-scale structure in the universe.

• solar system

• galaxy

• asteroid belt

• super cluster

A solar system consists of at least one _________ and all the objects that orbit it.

• star

• planet

• nebula

• asteroid

Tags

NGSS.HS-ESS1-4

Galaxies are moving __________ _______________ in the Universe.

• further apart

• closer

• nearer

• slowly

Tags

NGSS.HS-ESS1-2

Newton helped to show that the force of ___________ influenced objects in space.

• gravity

• motion

• rockets

• nebulae

Tags

NGSS.HS-PS2-4

Einstein’s ____________________ showed that the universe was expanding.

• mathematics

• nature

• science

• hair

Tags

NGSS.HS-ESS1-2

The first scientist to suggest that the universe was expanding was ____________________.

• Georges Lemaître

• Hubble

• Newton

• Gamow

Tags

NGSS.HS-ESS1-2

Edwin _____________ used the Doppler effect to determine how galaxies are moving.

• Georges Lemaître

• Hubble

• Newton

• Gamow

Tags

NGSS.HS-ESS1-2

George ________ built on the work of his predecessors to develop a theory that explained how light elements formed during the early universe.

• Georges Lemaître

• Hubble

• Newton

• Gamow

Tags

NGSS.HS-ESS1-2

The _____________ ________________ is the change in an observed wavelength or frequency of a wave that occurs when either the source of the wave or the observer of the wave is moving.

• Doppler effect

• expanding universe

• solar system

• wavelength

Tags

NGSS.HS-PS4-1