Unit 4: The Universe Essential Question: 6. Essential Question 6: Where does Earth and Man fit into the Universe?

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Presentation transcript:

Unit 4: The Universe Essential Question: 6

Essential Question 6: Where does Earth and Man fit into the Universe?

+does+earth+fit+into+the+universe&ei=UTF- 8&hspart=mozilla&hsimp=yhs-002 Earth in the Universe

Earth is a very small but, to us, very important part of the universe. The Earth is so small compared to the universe that nobody can really comprehend it Earth in the Universe

If the Sun was a 10 inch basketball… The earth would be a 1/10 inch pinhead 89 feet from the Sun. The Moon would be a smaller pinhead only 3 inches from the Earth. Pluto, would be 2/3 of a mile away!

It cost $25 billion dollars and 8 years of effort for the USA to cross that 3 inches to the Moon. Do you believe we will ever make it to Pluto? In your comp books, write a brief paragraph explaining what you believe. It must be 4- 5 complete sentences. It must be 4- 5 complete sentences. Explain WHY you believe this way. Explain WHY you believe this way. You have 5 minutes. You have 5 minutes. Leave the rest of the page blank. Leave the rest of the page blank. *If you would like to share your belief, we will discuss them once time is up. *If you would like to share your belief, we will discuss them once time is up. What do YOU think?

Earth in the Universe If we take a big step back and draw two little dots 1/3 of an inch apart. Representing the Sun and Pluto… We have to use Pluto, because the Earth would be a dot so close to the Sun that it would overlap, no matter how sharp your pencil is and how small you make the dot. Now the closest star is 120 feet away!

Earth in the Universe If we take another big sep back and draw two dots only 1/25 of an inch apart representing the Sun and the nearest star (Alpha Centauri)… Then the Milky Way galaxy is 70 feet wide. The Sun is 20 feet from the center of the Milky Way. In the middle of the galaxy dots would be every 1/25 inch or so, millions of dots, each one a star much like our Sun.

Earth in the Universe So the universe is REALLY big… And the Earth is REALLY small!

What do YOU think? 1.Should we contemplate traveling the galaxy? Is it even possible? What about traveling to other galaxies? 2.If there are other suns like ours, is there life on other planets? In your comp books, go back to your previous paragraph and write a brief paragraph explaining what you believe for each question. It must be 4- 5 complete sentences. It must be 4- 5 complete sentences. Explain WHY you believe this way. Explain WHY you believe this way. You have 10 minutes. You have 10 minutes. *If you would like to share your belief, we will discuss them once time is up. *If you would like to share your belief, we will discuss them once time is up.