1 00:00:00,000 --> 00:00:03,840 Thanks, Sten. 2 00:00:03,840 --> 00:00:06,080 We'll get back to you a little later in the program. 3 00:00:06,080 --> 00:00:08,760 But first, students from Brewster Middle School 4 00:00:08,760 --> 00:00:10,480 at Camp Lejeune, North Carolina, 5 00:00:10,480 --> 00:00:14,240 will preview this program's hands-on activity. 6 00:00:14,240 --> 00:00:17,800 Hi, NASA Connect has asked us 7 00:00:17,800 --> 00:00:20,720 to show you this program's hands-on activity. 8 00:00:20,720 --> 00:00:23,760 In this activity, you will use graphing, measurement, 9 00:00:23,760 --> 00:00:27,280 and ratios to construct a scaled model of the solar system 10 00:00:27,280 --> 00:00:30,720 and relate each planet to the sun. 11 00:00:30,720 --> 00:00:33,160 And you will explore the scales needed 12 00:00:33,160 --> 00:00:35,600 to represent the size of the planets 13 00:00:35,600 --> 00:00:38,240 and the distances to the sun. 14 00:00:38,240 --> 00:00:40,920 You can download a copy of the educator guide containing 15 00:00:40,920 --> 00:00:44,200 directions and a materials list from the NASA Connect website. 16 00:00:44,200 --> 00:00:47,240 Working in groups, students will complete the activity 17 00:00:47,240 --> 00:00:52,120 by using the scale model chart and the planet templates. 18 00:00:52,120 --> 00:00:54,720 Each group will be assigned a planet. 19 00:00:54,720 --> 00:00:58,400 Cut out your assigned planet using the planet template. 20 00:00:58,400 --> 00:01:01,240 The scale for this activity is one toilet paper 21 00:01:01,240 --> 00:01:06,320 sheet equals 30,102,900 kilometers. 22 00:01:06,320 --> 00:01:09,240 Using the scale, students complete column four 23 00:01:09,240 --> 00:01:11,240 on the scale model chart. 24 00:01:11,240 --> 00:01:14,320 Remember the math concepts you learned earlier in the program? 25 00:01:14,320 --> 00:01:17,640 This is your chance to put your math skills to the test. 26 00:01:17,640 --> 00:01:21,440 Next, you will complete column five on the scale model chart. 27 00:01:21,520 --> 00:01:23,600 The scale needed to complete this column 28 00:01:23,600 --> 00:01:28,680 is one AU, or astronomical unit, equals five toilet paper 29 00:01:28,680 --> 00:01:29,760 sheets. 30 00:01:29,760 --> 00:01:31,440 Groups should check each other's work 31 00:01:31,440 --> 00:01:33,960 to make sure all values are correct. 32 00:01:33,960 --> 00:01:36,200 After completing the scale model chart, 33 00:01:36,200 --> 00:01:38,920 each group should roll out the number of toilet paper 34 00:01:38,920 --> 00:01:41,640 sheets needed for its assigned planet. 35 00:01:41,640 --> 00:01:43,960 Now it's time to head to the staging area. 36 00:01:43,960 --> 00:01:47,840 This could be in a gym, hallway, or even outside. 37 00:01:47,840 --> 00:01:50,320 Place the sun in a central position. 38 00:01:50,320 --> 00:01:53,200 Students, attach your pre-measured toilet paper strip 39 00:01:53,200 --> 00:01:57,320 to the sun and let it extend outward in various directions. 40 00:01:57,320 --> 00:01:59,760 Don't forget to tape your assigned planet 41 00:01:59,760 --> 00:02:01,360 on the end of the strip. 42 00:02:01,360 --> 00:02:06,120 You will need about 23 meters, or 75 feet, in one direction. 43 00:02:06,120 --> 00:02:08,040 Based on your solar system model, 44 00:02:08,040 --> 00:02:10,640 you will be asked to answer several critical thinking 45 00:02:10,640 --> 00:02:11,880 questions. 46 00:02:11,880 --> 00:02:15,560 Graphing is a great way to visually represent data. 47 00:02:15,560 --> 00:02:17,960 Each group will construct and analyze 48 00:02:17,960 --> 00:02:21,000 two graphs using an appropriate type of graph 49 00:02:21,000 --> 00:02:22,880 and scale of your choice. 50 00:02:22,880 --> 00:02:25,280 Be careful with the type of graph you choose. 51 00:02:25,280 --> 00:02:28,320 Don't forget to check out the web activity for this program. 52 00:02:28,320 --> 00:02:30,640 You can download it from the NASA Connect website. 53 00:02:34,760 --> 00:02:37,000 Great job, Brewster Middle School. 54 00:02:37,000 --> 00:02:39,640 OK, now that you guys have a preview of this program's 55 00:02:39,640 --> 00:02:43,120 hands-on activity, now it's time to pause the program 56 00:02:43,120 --> 00:02:46,200 and see if you can construct a scale model of the solar 57 00:02:46,200 --> 00:02:47,760 system.