Life in the Universe PPT Study Guide

What is the concept of cosmic evolution?

• The idea that the universe has always been the same.

• The idea that the universe has changed over time from a simple beginning to its current complex state.

• The idea that the universe is shrinking.

• The idea that the universe is static and unchanging.

Which event is considered the beginning of cosmic evolution?

• Formation of Elements

• Stars and Galaxies

• Big Bang

• Solar System Formation

What follows the Big Bang in the cosmic evolution timeline?

• Solar System Formation

• Formation of Elements

• Galaxy Evolution

• Dark Ages

How long ago did the Big Bang occur?

• 4.5 billion years ago

• 10 billion years ago

• 13.8 billion years ago

• 20 billion years ago

What happened during cosmic inflation?

• Stars and galaxies formed

• The universe cooled down

• The fabric of space-time expanded rapidly

• Atoms began to form

What were the first basic elements formed in the early universe?

• Oxygen and Carbon

• Hydrogen and Helium

• Nitrogen and Argon

• Iron and Nickel

What process led to the formation of the first basic elements in the universe?

• Photosynthesis

• Nucleosynthesis

• Combustion

• Evaporation

What type of radiation was created as the universe cooled?

• Ultraviolet radiation

• Infrared radiation

• Cosmic microwave background radiation

• Gamma radiation

What process allows stars to produce elements?

• Photosynthesis

• Nucleosynthesis

• Respiration

• Combustion

What is the main process that powers stars?

• Nuclear fission

• Nuclear fusion

• Chemical reaction

• Photosynthesis