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8th Grade Ch. 2 Sec. 4 Using Space Science on earth
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8th Grade Ch. 2 Sec. 4 Using Space Science on earth

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  • 1. Ch. 2 Sec. 4 Using Space Science on Earth
  • 2. Space is nearly a vacuum.
    • place that’s empty of all matter
    • (no solids, liquids, or gases)
    • NOTHING!
  • 3. Extreme temps. in space
    • Temperatures in space can range from the extremely cold, 100’s of degrees below freezing , to many hundreds of degrees above – especially if a spacecraft ventures close to the Sun.
  • 4. microgravity
    • feeling of weightlessness
    • falling thru. space w/ spacecraft
    • inertia keeps them moving forward
  • 5. space spinoffs
    • have uses on Earth
    • originally designed for use in space
    Space Shuttle spinoffs ESA Space Spinoffs Top 10 Space Spinoffs
  • 6. stays over same place on Earth all the time
  • 7. remote sensing
    • collection of info w/o being in direct contact
    • Real World: NASA and a Dinosaur Named Dakota
    http://spaceplace.nasa.gov/en/educators/earth_from_space.pdf
  • 8. Space spinoffs ear thermometer joystick invisible braces pacemaker battery satellite dish
  • 9. TOP 10 NASA SPACE SPINOFFS
  • 10. Time to review
  • 11. Name 3 ways that conditions in space are different from conditions on Earth.
    • 3 ways that conditions in space are different from conditions on Earth are:
    • space is a near vacuum
    • major temperature extremes
    • microgravity
  • 12. How have engineers designed spacecraft to operate in the special conditions of space?
    • Engineers have designed spacecraft to be well insulated and airtight to operate in the special conditions of space.
  • 13. What is a space spinoff?
    • A space spinoff is an item that was originally designed for use in space but has uses on Earth .
  • 14. How has medical science benefited from the space program?
    • Medical science has benefited from the space program from the creation of medical spinoffs, such as lasers to clean clogged arteries, pacemakers that use longer lasting batteries, and computer-aided imaging techniques.
  • 15. Name three uses of satellites that affect everyday life.
    • 3 uses of satellites that affect everyday life are:
    • transmitting television signals
    • gathering weather data
    • relaying computer data
  • 16. What advantage would there be to placing a satellite in geostationary orbit?
    • One advantage to placing a satellite in geostationary orbit would be because a geostationary satellite stays in the same place over Earth, signals to and from the satellite can always be directed to and from the same location in the sky.
  • 17. How could a scientist use satellites to determine whether a rain forest was becoming smaller over time?
    • A scientist could use satellites to determine whether a rain forest was becoming smaller over time by examining satellite images of an area taken over a period of years to find out whether the area covered by rain forest is changing.
  • 18. Analyzing three decades of satellite imagery, researchers found that 19.8 million acres of Papua New Guinea’s tropical rain forest was lost between 1972 and 2002.
  • 19. Make Keynote presentation about space spinoffs OR uses of satellites using clip art & Internet
  • 20. 4 slides SLIDE 1 - TITLE SLIDE SLIDES 2-4 6 pictures- 2 pics per slide 3 facts in sentence format- 1 FACT PER SLIDE