Science Homework due 9/3

A _____ is a large collection of stars, dust, and gas.

• galaxy
• nebula
• planet
• star

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Earth is found in a spiral galaxy called _____.

• The Milky Way
• Andromeda
• Megellanic Clous
• Proxima Centauri

Tags

NGSS.MS-ESS1-2

All stars start as gas and dust in a(n)

• nebula
• black hole
• red giant
• black dwarf

Which of the following is an accurate description of the relationship between components of the universe?

• Stars always contain galaxies.

• Galaxies contain many stars.

• Stars contain several nebulae.

• Nebulae contain many galaxies.

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

• Planets, stars, nebulae, galaxies

• Planets, stars, galaxies, nebulae

• Nebulae, stars, planets, galaxies

• Galaxies, stars, planets, nebulae

A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope.

Why do other stars look much dimmer than the sun?

• The sun appear yellow, which is more visible than other colors.

• The sun is much closer to Earth than other stars are

• Other stars are made up of different gases than the sun is.

• As light from other stars travels through space, it gets reflected.

Stars are made mostly of which two elements?

• hydrogen and helium

• mercury and strontium

• iron and potassium

• krypton and bismuth

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A large celestial body made of gases that emits light due to nuclear reactions is called -

• a galaxy

• a nebula

• a comet

• a star

The stars and all the other matter in a galaxy are held together by which of the following?

• Dark matter

• Inertia

• Gravity

• Magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which is found in the belt between Mars and Jupiter

• Comets

• Asteroids

• Meteors

• Stars