Earth In Space- By Soumya and Manshikha

What is Big Bang Theory?

• It is a theory of how our universe began and continues to expand

• It is a theory of how our universe ends

• Is a theory of how life on Earth will be wiped out

• Is a theory of how asteriods crashed into Earth

Select 2 things that the Big Bang theory states

• The Universe expanded from something smaller than an atom

• The universe is static and unchanging

• As the universe expanded, it cooled, and energy changed into particles

• The universe was created by a supernova explosion

Which of these came first to exist in the timeline of the universe?

• Humans came to exist

• Dinosaurs came to exist

• First land plants came to exist

• Animals with shells came to exist

Why are galaxies moving away from each other?

• Due to gravitational attraction from nearby black holes

• Space between galaxies is expanding

• Galaxies are being pushed by strong solar winds

• Because they're shy

How old is the universe?

• 48.2 billion years

• 15.937 million years

• 13.78 million years

• 2. 2.15 billion years

What impact will a asteroid make by hitting the ocean of the Earth?

• Ocean will instantly evaporate

• Will cause the Earth's rotation to slow down

• Will lead to extinction of all marine life

• Create a tsunami

What factors determine the size of a crater created by an asteriod impact?

• Color

• Size

• Speed

• Time

What is a prolonged, cold period following a large asteriod impact and blocking sunlight?

Select 2 true statements about asteriods

• Are the left over debris from the formation of universe

• Asteriods are spherical in shape.

• Asteriods are made of ice and dust

• Asteriods can be pulled out of their orbit in the asteriod belt by Jupiter's Gravity.

Why do asteriods cause mass extinctions even though the impact site is only 1 location?

• It changes the Earth's gravitational pull, pulling everything towards the impact site.

• Causes massive volcanic eruptions worldwide.

• It releases dust,gases and debris that spread, blocking sunlight and distrupting ecosystems

• Because it gets angry once it enters the atmosphere of the Earth.