Cosmologist

The Big Bang refers to

• the creation of the solar system

• the creation of the moon

• the origin of the universe

• the origin of heavy elements

Tags

NGSS.HS-ESS1-2

The cosmic microwave background radiation is

• the light from distant stars

• The radiation from Pulsars

• the light from gravitational lenses

• the radiation from the birth of the Universe

Tags

NGSS.HS-ESS1-2

When the Universe was young, it was

• Bigger and colder

• Smaller and hotter

• Denser

• Smaller, hotter, and denser

Tags

NGSS.HS-ESS1-2

The cosmic background radiation has a low temperature today because...

• It is rich in heavy elements that absorb radiation very strongly

• The Universe has expanded and expansion causes cooling

• It was created with a low temperature

• It has gotten so far from the Sun

The age of the Universe can be deduced from the...

• Hubble Law

• Kepler's third Law

• Doppler Shift

• Inverse square law

Tags

NGSS.HS-ESS1-2

The study of the structure and evolution of the Universe is called _________.

• Anthropology

• Cosmology

• Astrology

• Archaeology

Tags

NGSS.MS-ESS1-2

Astronomers have found that the expansion of the Universe is..

• Speeding up

• Slowing down

• changing randomly

• Constant

Dark energy appears to make approximately ___ of the universe.

• 90%

• 70%

• 10%

• 1%

Which of the following lists the forms of matter in the order they came to existence in the early Universe?

• Quarks, electrons, protons, atoms

• Quarks, protons, electrons, atoms

• Protons, electrons, atoms, quarks

• Protons, quarks, electrons, atoms

According to the present estimates, the Universe is about ______ years old

• 14x10⁵

• 14x10⁷

• 14x10⁹