Waves 1. What causes waves? 2. Define wave. Label each below as longitudinal or transverse 3. 4. Label the crest, trough, wavelength and amplitude of the wave below. 9. In the diagram above, four complete waves pass the duck in one second. The frequency of this wave is a. 8 s. b. 4 cm. c. 4 Hz. d. 1/4 Hz. 10. What medium is the wave to the right traveling through? 11. What is the source of energy causing the wave above? 12. What would happen to the amplitude of the wave if more energy were added? 13. If rope is not traveling from one end to the other then what is?
14. Alike But Different 15. What is the difference between mechanical and electromagnetic waves? Electromagnetic Spectrum 16. What is electromagnetic radiation?
17. The light you see with your eyes is called. 18. What colors form the spectrum of visible light (from longest to shortest wavelength)? 19. What is the type of electromagnetic radiation with the longest wavelength? 20. What is the type of electromagnetic radiation with the shortest wavelength? 21. When dealing with waves a decrease in wavelength causes an in frequency. 22. Give a use for each of the following electromagnetic waves: Radio waves = Ultraviolet rays = Micro waves = X- rays = Infra Red = Gamma rays = Telescopes 23. What do telescopes collect and focus? 24. Complete the table to compare the different types of telescopes. Type Refracting Telescope Description Reflecting Radio Hubble The Universe 25. What type of telescope contains only lenses? 26. What type of telescope contains both lenses and mirrors? 27. How is a radio telescope different from both a refracting and a reflecting telescope?
28. How is a radio telescope similar to both a refracting and a reflecting telescope? 29. What is the advantage of using radio telescopes to study the universe? 30. What is the Hubble space telescope? 31. Why can the Hubble Space Telescope make very detailed images in visible light? 32. What is a spectroscope? 33. Why are the spectra of elements like the fingerprints of stars? 34. The diagram below shows the spectra an unknown mixture and four gases. What 2 gases are present in the unknown mixture? 35. Why is spectral analysis such an important tool to astronomers?
History of Rockets 36. What is a rocket? 37. Who is considered the Father of human spaceflight (Russian)? 38. Who was the first American in space? 39. What country and person built and flew the V2 rocket? 40. What was the importance of Sputnik II? 41. What did China contribute to the history of rockets? 42. What contribution did Johann Schmidlap make to the advancement of rockets? Space Exploration Vehicles 43. A spacecraft that has various scientific instruments that can collect data, including visual images, but has no human crew is called a. 44. The is a large artificial satellite on which people can live and work for long periods. 45. Some probes have small robots called that can move about on the surface of another planet or moon to gather data. 46. A is a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose. 47. What orbits earth and is used for navigation, communications and weather forecasting? 48. What was the first American satellite in space? 49. What is an unmanned space exploration vehicle to collect data and visual images? 50. What was the first satellite in space (Russia)?
51 55. Write the correct spacecraft (probe, satellite or space shuttle) to complete each task below. 51. Astronomers want to send a spacecraft to orbit a distant planet and send back images of the surface. 52. NASA wants to send a spacecraft to the surface of Venus to collect data on possible seismic activity. 53. A private communications company needs a spacecraft to orbit the Earth and send television signals to its subscribers. 54. The military needs one of their defense satellites repaired. 55. NASA astronomers want a spacecraft to land on a distant moon and drill for water under the surface. 56. List two advantages and two disadvantages to manned space exploration. Advantages: Disadvantages: 57. List two advantages and two disadvantages to using probes for space exploration. Advantages: Disadvantages: