Week 4 Astro Quiz

Which four elements did Greek philosophers believe made up the physical universe?

• Earth, wind, fire, water

• Earth, metal, wood, water

• Fire, air, metal, wood

• Water, air, metal, earth

The idea that time has a beginning and an end is most closely associated with which group?

• Greek philosophers

• Eastern religions

• Abrahamic religions (Judaism, Christianity, and Islam)

• Native American beliefs

Explain the difference between the Greek philosophical view of time and the Abrahamic religious view of time.

• Greeks believed time is infinite; Abrahamic religions believe time has a beginning and end.

• Greeks believed time is an illusion; Abrahamic religions believe time is infinite.

• Greeks believed time moves backward; Abrahamic religions believe time is circular.

• Greeks believed time is finite; Abrahamic religions believe time is infinite.

What did later Greeks base their models of the universe on?

• Religious beliefs

• Observed celestial object motion

• Mythological stories

• Mathematical calculations only

Which historical period contributed to the understanding that the Earth is not the center of the universe?

• The scientific revolution of the 1600s

• The industrial revolution

• The Renaissance

• The Middle Ages

Which of the following best describes energy?

• Anything that takes up space and has mass

• The ability to do "work" and also heat/light/EM radiation

• A solid object

• A type of matter

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

When thinking about "what is stuff made of," which two things do we tend to consider first?

• Matter and energy

• Atoms and molecules

• Solids and liquids

• Heat and light

Tags

NGSS.MS-PS1-1

What percentage of the total contents of the Universe is made up of ordinary matter and energy?

• Approximately 4.9%

• Approximately 25%

• Approximately 50%

• Approximately 95%

Which of the following best describes "dark energy"?

• Observable energy found in stars

• Hypothetical energy used to explain the Universe's accelerating expansion

• Energy produced by black holes

• Energy that can be directly measured in laboratories

Approximately what percentage of the total matter in the Universe is estimated to be dark matter?

• 50%

• 84.5%

• 10%

• 100%