Ess 1.1

Why is the light from distant galaxies red-shifted?

• They produce more red light than nearby galaxies

• They are moving away from us

• The longer wavelengths are filtered out more by dust

• They are moving toward us

Tags

NGSS.HS-ESS1-2

The "afterglow" of the energy from the origin of the universe that we see today.

• Cosmic microwave radiation

• sunlight

• Doppler effect

• Cosmic explosions

Tags

NGSS.HS-ESS1-2

Which of the following statements best summarizes the presence of matter in the universe?

• There are more metal elements in the universe than nonmetals.

• All elements exist in an equal amount throughout the universe.

• There are more heavy elements than light elements.

• There are more light elements than heavy elements.

Which of these stars is hottest?

• Red Star

• Yellow Star

• Orange Star

• Blue Star

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

Which category is our Sun located in?

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

Tags

NGSS.HS-ESS1-1

Red stars are the _____________.

• hottest

• coolest

• biggest

• brightest

Tags

NGSS.HS-ESS1-3

Which star has the lowest temperature?

• A

• B

• C

• D

Knowing the color of a star also tells us its __________

• age

• location

• temperature

• name

Tags

NGSS.HS-ESS1-1

A star is born when:

• nuclear fusion starts

• a nebula becomes a protostar

• gases in a nebula condense

• hydrogen is used up in fusion processes