Scale of the Universe

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Scale of the Universe

Answer the following questions by exploring the app

1. What is the average height of a human in meters?
2. What does the 0.7 for mechanical pencil lead mean?
3. What is an ovum? Can we see an ovum with the naked eye?
4. What is the purple thing in the skin cell? (hint: you can see another version of this purple object in the background when looking at the skin cell)
5. Based on the size of the purple cell nucleus, do you think red blood cells have nuclei?
6. Mitochondria (the powerhouse of the cell!) use what source of chemical energy to make ATP (a high energy molecule used in the cell)?
7. Are things that are smaller than the wavelength of violet light visible under an optical microscope?
8. How many micrometers in a meter?
9. Are viruses bigger or smaller than cells?
10. How many meters of DNA is in each cell’s nucleus?
11. What part of the cell do phospholipids make up?
12. What do the little black spheres on the glucose molecule represent? (hint: they represent the same thing as the black spheres on the buckyball)
13. Can electron microscopes see smaller than atoms?
14. What two subatomic particles make up the nucleus of atoms?
15. What are quarks?
16. According to spacetime theory, what makes up the foundation of the fabric of the universe?
17. Is our star (the sun), a relatively large or a relatively small star in the universe?
18. If all 7+ billion humans stood on top of each other (and didn’t crumple under the weight) would the total height be larger or smaller than the sun?
19. How big is the observable universe?
20. Humans see colors ranging from red to violet. Which wavelength is bigger, red or violet light?