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The reason some scientists complained that Einstein’s proof wasn’t rigorous was because it? A was published after Einstein’s death in 1955. B was obviously incorrect. C didn’t describe particles moving at all speeds. D didn’t list the…
Read more →The text states that Einstein never fully proved (showed the work for) his famous equation, E equals mc squared. Which two people and/or groups of people did? A) Nicolaus Copernicus B) mathematicians who discovered Avogadro’s Number C)…
Read more →Read this part from the text. The author includes it mainly to A) argue that the reader should think about becoming a teacher in the future. B) ask the reader to reflect and help them to relate to the story told in the selection. C)…
Read more →The harder a skater pushes off the ice, the higher he or she flies in the air. Which of the following scientific facts explains why? A. Friction acts on a skate blade in two different ways. B. Gravity is a force that pulls everything in a…
Read more →What two roles does friction play in allowing skaters to jump? A) It has an equal and opposite reaction. B) It creates conservation of angular momentum. C) It creates the traction to generate speed. D) It creates a solid landing surface…
Read more →During cytokinesis, the cell membrane ________ until two daughter cells separate completely. A. expands B. dissolves C. pinches in D. spins around
Read more →True or False: The result of telophase is two nuclei surrounded by unwound DNA inside a centriole. A True B False
Read more →During the summer, Gavin tutors and Eva washes cars. To show their earnings, Gavin makes a graph and Eva makes a table. Who earns more money per hour, and by how much more? Eva, by $4.25 Gavin, by $8.50 Eva, by $3 Gavin, by $17
Read more →Use the drop-down menus to complete the statements to match the information shown by the graph. Pool A is filling up __________ Pool B because the __________ of the graph for Pool A is __________ that of the graph for Pool B. The…
Read more →Read this excerpt from the text and one from “The Guardian,” a British newspaper. Which two details does the second excerpt help explain about the first? A how many different cold viruses there are B the scientific name for showerhead…
Read more →The author writes, “Some make poisons. Others cooperate.” Based on this text, the author is describing A) microbes. B) antiperspirants. C) viruses. D) showerheads.
Read more →Which genotypes complete the following Punnett square? 1. RrYy 2. RRyy 1. RrYY 2. Rryy 1. RRYy 2. rrYY 1. RRYy 2. rryy
Read more →Based on the law of independent assortment, which of the following genotypes can be donated by a parent with the genotype Rryy? O Ry and ry O ry O RY and ry O Ry
Read more →You are making snack bags to sell at the fair. You want each bag to contain the same combination of carrot and celery sticks. You have 75 carrot sticks and 40 celery sticks and want to use them all. What is the greatest number of snack…
Read more →Cesar has 32 boxes of pasta and 48 jars of sauce that he will be putting into bags for a food drive. He wants each bag to have the same amount of pasta and sauce and wants to use all of the items. Use the drop-down menus to complete the…
Read more →You are making gift bags for a school party. You have 48 pencils, 80 markers, and 64 stickers. Each gift bag will have the same number of each item. You want to use all of the items. What is the greatest number of gift bags you can make?…
Read more →Determine the genotype of parent 2 based on Mendel’s laws and the Punnett square provided. heterozygous (Ff) homozygous dominant (FF) Not enough information provided homozygous recessive (ff)
Read more →Homesteaders cite a variety of advantages in “getting back to the land.” They find satisfaction in growing their own vegetables or raising their own cattle, which allows them to monitor the quality of their food and save money at the same…
Read more →Kangaroos are mammals that live in arid, vast areas of Australia, or the “Outback.” Like bunnies, kangaroos mostly hop to travel from one place to another. Unlike bunnies, however, kangaroos have large tails used for balance and steering…
Read more →uses a chronological organization covers the chronological events of one afternoon
Read more →Based on this excerpt, which two methods did Rahzel use to achieve the unique sounds that made him famous? A parlor trick B click roll C vocal scratching D wind technique E vocal bols
Read more →Which of the following music groups influenced the development of beatboxing styles? A) barbershop quartets B) rock bands C) church choirs D) symphony orchestras
Read more →What evidence does the author provide to support the statement that Doug E Fresh was a pioneer of beatboxing? A He is unknown among beatboxers today. B He appeared in a classic hip-hop film. C He created click rolls used by all…
Read more →From this excerpt you can tell that the author’s view of the future of beatboxing is A indifferent. B enthusiastic. C sarcastic. D negative.
Read more →It’s busy at the bakery counter, and a loyal customer/member stops you to chat. As he’s talking, you notice another customer/member nearby who needs help. What would you be most and least likely to do? Tell him that you’d be happy to keep…
Read more →Put the steps that the Odyssey IV would take on a project to study deep-sea corals, starting with the first. It would hover over a promising coral reef. It would take photographs of the sea floor. It would travel fast over a wide area. It…
Read more →In this excerpt, the prefix of “photonics” helps the reader figure out the word’s meaning because “photo” refers to A light. B cell. C metal. D liquid.
Read more →How is the object in this image similar to the AUV developed by engineers at MIT? A They both cause damage to deep-sea coral reefs. B They both stay motionless at all times. C They both squirt jets of water to hold their position. D They…
Read more →In this selection, the clay wine jar that scientists were studying was found while A. searching for sunken treasure off the Greek coast. B. excavating an ancient Roman city in Spain. C. studying an earthquake-devastated site in Italy. D.…
Read more →Based on this excerpt, a limitation of the early AUVs was their inability A to collect samples from deep-sea life. B to inspect ships for damage to their hulls. C to carry more than one passenger. D to survey the ocean floor at a fast pace.
Read more →Choose the sentence in this excerpt that indicates why airlines would be interested in the production of the jatropha plant. They’re also testing a weedy African plant called jatropha. It’s no good to eat, and grows easily in dry, bad…
Read more →Choose the sentence in this excerpt that indicates why airlines would be interested in the production of the jatropha plant. They’re also testing a weedy African plant called jatropha. It’s no good to eat, and grows easily in dry, bad…
Read more →Which of the following provided the best clue to the mystery of the invisible paint on the amphora? A white sand B wine flavor C thickeners D plaster
Read more →What is the main idea of this selection? A Scientists are using everyday items to lower costs for their research projects. B Scientists are learning that ancient tools can still be useful to them today. C Scientists are inventing or…
Read more →Based on this excerpt, which of the following does the author describe as a drawback of using biomass generators? A) Biomass generators are dangerous because they are used to burn large amounts of fuel. B) Biomass generators produce less…
Read more →To make energy, wetland microbes digest A) sunlight. B) purified water. C) organic material. D) electrons.
Read more →How might the creation of the Plant-Microbial Fuel Cell help to preserve wetlands? A) Governments would stop the scientists from working in the wetlands. B) The scientists would close off the wetlands to tourists. C) The wetlands would be…
Read more →What does this excerpt tell you about photosynthesis? A The process of photosynthesis requires a man-made energy source. B Photosynthesis is a powerful process because it uses energy from the soil. C The process of photosynthesis requires…
Read more →What do the chefs at Big Mama and Papa’s consider to be the most important part of making a “great pizza”? A the dough B the cheese C the chef D the recipe
Read more →Oil-eating microbes act like the bacteria living in the human digestive system because they both A convert something complex into something simple. B produce carbon dioxide. C need water and sunlight to survive and thrive. D live only in…
Read more →Based on this excerpt, it is reasonable to think that Frederick Douglas A believed that fighting for civil rights was more important than the risks involved. B fought to have formerly enslaved African Americans sent back to their owners.…
Read more →Why does the author mention that the new fuel cell is often compared to a biomass energy generator? A) to show that the fuel cell is a more practical method of producing energy B) to illustrate that the biomass method is less costly and…
Read more →According to the author, seaweed farming could have a positive impact on people living in coastal communities, but it could also have a negative impact if it is not done right. Describe a possible positive and a possible negative effect.…
Read more →According to the author, seaweed farming could have a positive impact on people living in coastal communities, but it could also have a negative impact if it is not done right. Describe a possible positive and a possible negative effect.…
Read more →Had Portuguese traders never set out for South Asia by ship in the 1400s, it is likely that A Portugal would not have reached North America first. B another European country would have been protected from the black plague. C Portugal…
Read more →Solve the equation. 4n – 18 = 52 n = 8.5 n = 17.5 n = 21 n = 66
Read more →Which detail from this selection most strongly depicts the inhumanity of the transatlantic slave trade? A) providing a history of Africa’s many sophisticated societies prior to the arrival of Europeans. B) weaving the words of a fictional…
Read more →What does the object in this image have to do with the selection? A Jacob puts honey from the bees in his tea. B The bees in one hive would fit into a tea pot. C Jacob says the smoker looks like a tea pot. D The Bee Man makes Jacob a cup…
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