Are you SMARTER than GRADER 10th

Are You Smarter Than a 10th Grader?

Are You Smarter Than a 10th Grader? 1,000,000 Are You Smarter Than a 10th Grader? 500,000 300,000 Vocabulary Credibility of Sources 175,000 100,000 Genetics Angles & Lines 50,000 Ecosystems Natural Selection 25,000 10,000 Real Numbers The Enlightenment 5,000 2,000 Context Clues Measurement 1,000

Vocabulary What does the word rejuvenate mean? Keep safe Make fresh Keep healthy relax

C. nonlinear

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Credibility of Sources You have to write a five-page article for a respected magazine about the Battle of Gettysburg. It is important to cite sources that have as little bias as possible. Which of the following sources of information is the most objective? A. the memoirs of General Meade, the Union commander B. a diary entry written by one of the Union soldiers the week after the battle C. piece written for an encyclopedia by a respected Canadian world historian D. a recent article published in the South, saying that the Confederacy really won the battle

C. piece written for an encyclopedia by a respected Canadian world historian

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Genetics Gregor Mendel developed several laws of heredity over the course of his genetic research. What does the first law of heredity, the law of segregation, state about genes? A. Alleles of different genes separate independently of one another during gamete formation. B. Dominant alleles are always more likely to be inherited. C. Mutations can only occur in heterozygous organisms. D. Two alleles for a trait separate when gametes are formed.

D. Two alleles for a trait separate when gametes are formed.

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If X=5, Y=12, and Z=13, what is the cosine of B? A. 5/13 B. 5/12 Angles & Lines If X=5, Y=12, and Z=13, what is the cosine of B? A. 5/13 B. 5/12 C. 12/13 D. 3/5

C. 12/13

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Ecosystems Clown fish are bright and colorful. They live in and amongst the tentacles of the sea anemone, which look like beautiful aquatic flowers, but bear poisonous stinging cells called nematocysts. A slime layer covering the clown fish makes it immune to the stinging cells, and the stinging tentacles of the sea anemone deter potential predators of the clown fish. The clown fish, in turn, protect the sea anemone from other fish that would feed on the anemone. What type of relationship do clown fish and sea anemone have with each other? A. Mutualism B. Commensalism C. Parasitism D. Environmentalism

A. Mutualism

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Natural Selection In the living world, there is a great deal of genetic variation. The genetic information of dogs differs from the genetic information of cats; the genetic information of plants differs from the genetic information of bacteria; your genetic information differs from your father's genetic information; and so on. Which of the following is least likely to be a source of genetic variation among living organisms? Meiosis Mutations asexual reproduction sexual reproduction

C. asexual reproduction

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Real Numbers Lance uses the distributive property in solving the following problem: 2(x + 5) - 2(x + 7) = 2x + 10 - 2x + 14 When x = 3, he claims that 24 is the correct answer. Which of the following is true? There is not enough information to answer the question. His assertion is false because the distributive property was applied incorrectly. His assertion is false because he substituted the wrong number for x. His assertion is true because the distributive property was applied correctly.

B. His assertion is false because the distributive property was applied incorrectly.

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The Enlightenment   Based on your knowledge of social studies, which of the following came to be valued more highly as a result of Enlightenment thinking? the right of governments to enact strict laws and harsh punishments the idea that there is only one true religion, and all others are blasphemous C. the idea that aristocrats should have more power because they are rich D. the right of individuals to speak freely and not be censored

D. the right of individuals to speak freely and not be censored

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Context Clues Gary jumped from the car while it was still moving. He knew that it wasn't the best decision, but after seeing smoke coming from the engine and smelling gas, he decided that he needed to get out of the car before it fulminated. Luckily, Gary escaped injury, and firefighters arrived before the leaking gas caught fire and caused an explosion. As used in the paragraph above, the word fulminated means A. fidgeted. B. exploded. C. slowed. D. disappeared.

B. exploded.

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Measurement As an architect, Duane was hired by So-Low Discount Tire to design a new shop. He is making a model of the new design on a 12-inch square piece of wood. The dimensions of the new shop measure 36 feet long by 24 feet wide. Which scale should Duane use to make the largest model possible that will still fit on his wood base? A. 1 inch = 9 feet B. 1 inch = 6 feet C. 1 inch = 2 feet D. 1 inch = 3 feet

D. 1 inch = 3 feet

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Million Dollar Question Earth’s History

1,000,000 Question binary fission Photosynthesis Fermentation During Earth’s early history, little or no free oxygen existed in the atmosphere. After unicellular life evolved on earth, the atmosphere became oxygenated through a biological process. Which of the following biological processes is responsible for introducing free oxygen to Earth’s atmosphere? binary fission Photosynthesis Fermentation cellular respiration

1,000,000 Answer B. Photosynthesis

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