To return to the chapter summary click Escape or close this document. Chapter Resources Click on one of the following icons to go to that resource. earth.msscience.com Image Bank Foldables Standardized Test Practice Chapter Review Questions Chapter Summary

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To return to the chapter summary click Escape or close this document. Image Bank To transfer images to your own power point follow the following steps: Open the “Resource” file from the CD-ROM disc – view the file in the “normal view” or “slide sorter view” mode - go to slide #2 – from there you can click through the images and follow these instructions. Click once on the image. Copy the image Go to your own power point document Paste the image. Transfer Images

To return to the chapter summary click Escape or close this document. Image Bank Radio Waves

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To return to the chapter summary click Escape or close this document. Foldables Exploring Space Make the following Foldable to help identify what you already know, what you want to know, and what you learned about exploring space.

To return to the chapter summary click Escape or close this document. Foldables Fold a vertical sheet of paper from side to side, with the front edge about 1.25 cm shorter than the back.

To return to the chapter summary click Escape or close this document. Foldables Turn lengthwise and fold into thirds.

To return to the chapter summary click Escape or close this document. Foldables Unfold and cut only the top layer along both folds to make three tabs. Label each tab.

To return to the chapter summary click Escape or close this document. Foldables Before you read the chapter, write what you already know about exploring space under the left tab of your Foldable, and write questions about what you’d like to know under the center tab. After you read the chapter, list what you learned under the right tab. Identify Questions

To return to the chapter summary click Escape or close this document. 1 1 Reviewing Main Ideas The arrangement of electromagnetic waves according to their wavelengths is the electromagnetic spectrum. Radiation from Space Optical telescopes produce magnified images of objects. Radio telescopes collect and record radio waves given off by some space objects.

To return to the chapter summary click Escape or close this document. 2 2 Reviewing Main Ideas A satellite is an object that revolves around another object. The moons of planets are natural satellites. Artificial satellites are those made by people. Early Space Missions A space probe travels into the solar system, gathers data, and sends them back to Earth. American piloted space programs included the Gemini, Mercury, and Apollo Projects.

To return to the chapter summary click Escape or close this document. 3 3 Reviewing Main Ideas Space stations provide the opportunity to conduct research not possible on Earth. The International Space Station is being constructed in space with the cooperation of more than a dozen nations. Current and Future Space Missions The space shuttle is a reusable spacecraft that carries astronauts, satellites, and other cargo to and from space.

To return to the chapter summary click Escape or close this document. 3 3 Reviewing Main Ideas Space technology is used to solve problems on Earth, too. Advances in engineering related to space travel have aided medicine, environmental sciences, and other fields. Current and Future Space Missions

To return to the chapter summary click Escape or close this document. Chapter Review Question 1 Which has the shortest wavelength? A.Gamma rays B. Infrared radiation C. Microwaves D. Ultraviolet radiation

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is A. Gamma rays have the shortest wavelengths.

To return to the chapter summary click Escape or close this document. Chapter Review Question 2 Which type of optical telescope uses a curved mirror to direct light? A. radio B. reflecting C. refracting D. reverberating

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is B. Light is reflected off the concave mirror and forms an image in the focal point.

To return to the chapter summary click Escape or close this document. Chapter Review Question 3 Which of the following statements is NOT true of the Hubble Space Telescope? A. After it was launched it could not be repaired. B. It has viewed other galaxies. C. It is located outside Earth’s atmosphere. D. It was launched by a space shuttle

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is A. In 1993, astronauts repaired Hubble by installing additional mirrors to correct images obtained by a faulty mirror.

To return to the chapter summary click Escape or close this document. Chapter Review Question 4 What was the first artificial satellite? A. Galileo B. Hubble C. Perseid D. Sputnik

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is D. Sputnik I was launched in 1957 by the former Soviet Union.

To return to the chapter summary click Escape or close this document. Chapter Review Question 5 Answer How does a space probe differ from a satellite? Satellites orbit Earth; space probes travel into the solar system.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 1 What is the approximate wavelength of violet light? A m B m C m D m

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. The wavelength of violet light is closest to m on the electromagnetic spectrum shown.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 2 What type of telescope does the diagram show?

To return to the chapter summary click Escape or close this document. Standardized Test Practice A. Keck B. radio C. reflecting D. refracting

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is D. This is a refracting telescope, which uses a convex lens to focus light.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 3 Which of the missions listed here was the first to be launched? A. Magellan B. Mariner 2 C. Pioneer 10 D. Viking 1

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. Mariner 2 was launched in August 1962.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 4 At what point is the image formed in this telescope? A. A B. B C. C D. D

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. This is the focal point. Point C is the eyepiece lens, which magnifies the image for viewing.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 5 Which of the following correctly pairs the astronaut with mission accomplishment?

To return to the chapter summary click Escape or close this document. Standardized Test Practice A. Alan Shepard – first U.S. citizen is space B. Edwin Aldrin – first U.S. citizen to orbit Earth C. John Glenn – monitored Command Module of Apollo 11 D. Micheal Collins – first human to walk on the Moon

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is A. On May 5, 1961, Alan Shepard became the first U.S. citizen in space.

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