The Unique Earth Pt 1

The Unique Earth

Poll

We all probably have guessed that the Earth is old but how old is it?

• 2000 years old

• 400 million years old

• 4.6 billion years old

• 100 year old

Open Ended

Why do you think we can live on Earth? What are some important features of our unique planet? No answer is a wrong answer!

Multiple Choice

Water is a big part of the reason we are able to live on the planet. About how much of the planet is cover in liquid water?

• 1 percent

• 30 percent

• 75 percent

• 90 percent

Poll

The zone that Earth is in is called the

• No man lands

• The icy vortex

• The furnace

• The habitable zone

Multiple Select

Which gases are not heavily present in the atmosphere of Earth? Choose all the answers that apply.

• Nitrogen (N)

• Carbon dioxide (CO2)

• Sulfur (S)

• Oxygen (O)

• Chlorine (Cl)

Notice what's happening here

• The ozone layer absorbs shorter ultraviolet (UV) wavelengths that would harm us.

• Pay attention to the purple arrows

Is the more to know about the Earth?

Of course!

Open Ended

What do you think the Earth's surface would be like if we didn't have the Ozone layer protecting us?

The Earth is has imaginary lines

• The Arctic Cirlce

• The Antarctic Circle

• The Equator

• It has more but we're going to focus on these 3