Final Exam Earth/Environmental 23-24

What happened 14 billion years ago...

• The Big Bang
• Hubble
• Dinosaurs went extinct

Is the Universe still growing?

• Yes
• No

How long ago did OUR solar system form?

• 13 billion years ago
• 4.6 billion years ago

Which star is closest to us?

• Beletegues
• Orion
• Sun

Most stars are categorized as this type of star...

• Light Year
• Main Sequence
• Red Shift

Nebula- Clouds and dust are the first stage of a star

• True
• False

What 2 gasses are the sun made of?

• Oxygen & Chlorine
• Hydrogen & Helium
• Calcium & Oxygen

What is the correct order (starting from the surface) of Earth's layers?

• mantle, outer core, inner core, crust
• inner core, outer core, mantle, crust
• crust, mantle, outer core, inner core

The crust on land is called the ______.

• Oceanic Crust
• Upper Mantle
• Continental Crust

The Earth's crust is made of titanium

• True
• False