Relationships in the Universe Review

A huge collection of stars , gas and dust

• Universal

• Universe

• Galaxy

• Solar system

• Inner and Outer planets

The distance light travels in one year.

• 2 AUs

• An astronomic unit

• A light year.

• 93 trillion miles.

Our galaxy is called the Milky Way. It is about 100,000 light-years across. This means that _________.

• The galaxy is moving at the speed of light

• The galaxy is 100,000 miles across

• Light takes 100,000 years to travel across the galaxy

• The galaxy is expanding every 100,000 years

Tags

NGSS.MS-ESS1-3

Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.

• radio wave
• tv wave
• Gamma wave
• ultra violet

Which of these are evidence of the Big Bang theory (there are 3)

• Cosmic microwave background radiation

• Abundance of hydrogen and helium

• Ms. Buckley is so old she heard the noise

• The Universe has stopped expanding

• Doppler Effect (Red Shift)

Tags

NGSS.HS-ESS1-2

Which of the following is the correct order of the objects from largest to smallest?

• sun, solar system, Milky Way, universe

• universe, Milky Way, solar system, sun

• Milky Way, sun, solar system, universe

• solar system, universe, sun, Milky Way

Tags

NGSS.MS-ESS1-3

Based on the belief that the sun is the center of the universe

• heliocentric

• geocentric

• aphelion

• parallax

A model of the universe in which Earth is at the center of the revolving planets and stars.

• heliocentric

• geocentric

• aphelion

• parallax

What two things determine the gravity of an object?

• mass & weight

• mass & distance

• density & mass

• volume & distance

Tags

NGSS.MS-PS2-4

When will the forces of gravity between two objects be the GREATEST?

• when the masses of both objects are small and the objects are far apart

• when the masses of both objects are large and the objects are close together

• when the masses of both objects are small and the objects are close together

• when the masses of both objects are large and the objects are far apart

Tags

NGSS.MS-PS2-4