![]() GO ON TO THE NEXT PAGE GO ON TO THE NEXT PAGE -6- 1 What was the main reason Dr. Out of the 48 boxes used in the two runs, the only boxes that attracted many bees were the Used in BoxNumber of Bees Entering Box in Five MinutesOil of Italian oranges (First run)205 Oil of Italian oranges (Second run)120 Oil of citron148 Oil of bergamot oranges 93 Oil of Spanish oranges 60 These were the only boxes scented with oils from citrus fruits, and to a human nose they smelled very much the same. von Frisch then recorded how many bees entered each box in five von Frisch repeated the last part of the experiment, comparing an additional 23 fragrances to the one made from Italian oranges. He scented one box with the Italian orange scent and scented all the others with different oils.Ĥ Dr. After the bees were trained, he prepared a clean set of 24 boxes. von Frisch trained bees to enter a box that was scented with an oil made from the skin of Italian oranges. The bees would buzz around the doors of all these boxes, but they would only crawl inside the box with the training scent. He did not use any sugar water this time, but he did scent the inside of one box with the same fragrant oil used before. von Frisch prepared a set of clean boxes for the bees. von Frisch saw that they could easily find the box with the fragrant sugar water, even when he switched the positions of the this training period, Dr. When the bees had explored the boxes for several hours, Dr. Inside one box, he put a dish of sugar water that was scented with a fragrant oil. von Frisch set up a table with several identical cardboard boxes with removable covers.ģ Each box had a small door hole for bees. Karl von Frisch investigated that question in the early 1900s with these two 1 Dr. GO ON TO THE NEXT PAGE -4-GO ON TO THE NEXT PAGE ScienceTime 40 minutes25 Questions GO ON TO THE NEXT PAGE GO ON TO THE NEXT PAGE -5-Directions: Questions 1 through 5 are based on the information bees have a sense of smell? Dr. Give only one answer to each question and make every mark heavy and dark, as in this you decide to change one of your answers, be sure to erase the first mark sure that the number of the question you are answering matches the number of the row of answer choices you are marking on your answer sheet. Try to answer every question even if you have to all your answers on the answer sheet. Instead, skip it and return to it later if you have time. You should carefully read this material, then answer the as quickly as you can without becoming careless.Ģ Don t spend too much time on any question that is difficult for you to answer. Sometimes several questions are based on the same material. Then mark your choice on your answer sheet. Read each question and decide which of the four alternatives best answers the question. THE IOWA tests is a registered trademark of Houghton Mifflin Harcourt Publishing is a test of your skills in analyzing Science information. Used under license from Houghton Mifflin Harcourt. Test items from THE IOWA tests OF EDUCATIONAL DEVELOPMENT copyright 2001, 2003, 2007 by The University of Iowa. E T S and the E T S logo are registered trademarks of Educational Testing Service (E T S) in the United States and other countries. Read each question and decide which of the four alternatives best answers the question.ġ HiSETTM Science Practice TestFP1 Copyright 2013 Educational Testing Service. 3-Directions This is a test of your skills in analyzing science information. You should carefully read this material, then answer the as quickly as you can without becoming careless. ![]() ![]() HiSETTM Science Practice TestFP1 Copyright 2013 Educational Testing Service. Example: bachelor of science Search HiSET Science Practice Test ![]()
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