Unit 5: Big Bang Theory Review: Exploring Star Spectra

The Big Bang theory provides an explanation for how the universe began. Which statement best describes how the Universe began? Select all statements that apply.

• The Universe is 14 Billion years old.

• The Universe formed in an explosion of energy and matter.

• All of the energy and matter were contained in a tiny location called the primordial atom.

• The Universe never began, it has always existed.

Tags

NGSS.HS-ESS1-2

Our universe is made of galaxies of stars. Edwin Hubble observed that most galaxies are moving away from us. Which galaxies are observed to be moving away the fastest? This relationship is called Hubble's Law

• The close galaxies move away the fastest.

• The far galaxies move away the fastest.

• All galaxies move at the same rate.

• None of the galaxies are moving.

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NGSS.HS-ESS1-2

NGSS.HS-ESS1-4

Which of the following would give a continuous spectrum? (check all that apply)

• hydrogen lamp

• the sun

• neon lights

• white light bulbs

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

What is the light that you can see called?

• observatory light

• ultraviolet light

• visible light

• infrared light

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

The unknown emissions spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

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NGSS.HS-PS1-1

NGSS.HS-PS4-3

The unknown emissions spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS4-1

The absorption spectrum of the Sun matched the emission spectra of flame tests on Earth.

What did scientists think this meant?

• The Sun is made of different elements than those found on Earth.

• The Sun is made of Energy.

• The Sun is made of the same elements as those found on Earth

• Scientists do not know what the Sun is made of.

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NGSS.HS-PS1-1

NGSS.HS-ESS1-3

Bunsen and Kirchhoff identified over 30 elements that are found in the Sun using their spectroscope.

Which elements are the main elements found in the Sun and all stars?

• Hydrogen

• Helium

• Nitrogen

• Carbon

• Oxygen

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NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

What part of the Sun was observed by astronomers during a total solar eclipse?

• The core of the Sun.

• The Solar Wind.

• The Sun's atmosphere or corona.

• You should never look at this Sun. This is not possible.

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NGSS.MS-ESS1-1

Which statement identifies what most astronomers believe about the beginning of the universe?

• The universe has always been. There was no beginning.

• The universe began at a specific time and has been evolving ever since.

• The universe began as a cold, empty region in space.

• The universe began from an explosion of a star.

Tags

NGSS.HS-ESS1-2