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Jake has 8 fewer peaches and 10 more apples than Steven. Steven has 11 apples and 18 peaches. How many more peaches than apples does Steven have?
7
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A scientist plans a project to determine the effect of rain on the formation of caves. An area of rock has been chosen as the site for the investigation. How often should the scientist measure the changes in the rock? A : every day B : every week C : every month D : every year
the correct answer is D
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Which of these groups animals are ALL mammals? A : duck, eagle, parrot B : mouse, monkey, bat C : butterfly, ant, mosquito D : crocodile, snake, turtle
the correct answer is B
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Which metric unit is used to describe an object's length? A : gram (g) B : milliliter (mL) C : centimeter (cm) D : degree Celsius (°C)
the correct answer is C
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When potassium and bromine atoms form chemical bonds, which of these is produced? A : an element B : a mixture C : a compound D : a new form of matter
the correct answer is C
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Which of the following would most likely result in an abnormal chromosome number? A : The deletion of DNA during translation. B : Mutations occurring during the blastula stage. C : DNA exposed to radiation after the birth of the organism. D : Failure of homologous chromosomes to separate during meiosis.
the correct answer is D
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In a laboratory, a sealed container with 100 g of steam is cooled until all the steam becomes a liquid. The container is then cooled further until all the water becomes a solid. Which of the following remains constant during both of these changes? A : the mass of the water B : the pressure in the container C : the tota...
the correct answer is A
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Magnesium strips are long, thin strips that are gray and shiny. Which action will lead to a chemical change of magnesium strips? A : putting them in the freezer B : burning them with a candle C : cutting them into small pieces D : mixing them with pieces of copper
the correct answer is B
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Hookworms live inside the intestines of dogs. As the dog eats, the hookworms consume partially digested food. As a result of this nutrient diversion, the dog can become malnourished and weakened. Which best describes the relationship between the hookworms and the dog? A : a parasitic relationship B : a mutualistic rela...
the correct answer is A
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Which gravitational pull has the greatest influence on Earth's tides? A : the gravitational pull between Earth and the Moon B : the gravitational pull between Earth and the Sun C : the gravitational pull between Earth and Jupiter D : the gravitational pull between Earth and Mars
the correct answer is A
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Which scientist would be most likely to study the changes in animal populations in nature? A : Botanist B : Engineer C : Ecologist D : Veterinarian
the correct answer is C
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Which of these is an example of a chemical reaction? A : storing milk by putting it into the freezer B : milk turning sour when left in a warm place C : mixing milk into a glass with chocolate powder D : allowing milk to evaporate, leaving behind powdered milk
the correct answer is B
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The grasshopper and the frog had a jumping contest. The grasshopper jumped 35 inches. The grasshopper jumped 4 inches farther than the frog. How much did they jump altogether?
66
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Scientists found fish fossils in the desert. What do the fossils tell about this environment when the fish were alive? A : There was a forest with large trees. B : There were lakes with water plants. C : There were mountains with glaciers. D : There was a desert with large rocks.
the correct answer is B
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Which of these organisms has cells with cell walls? A : bluebird B : A pine tree C : A ladybug D : A fox squirrel
the correct answer is B
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Sound waves can pass through all of these except A : air. B : steel. C : water. D : a vacuum.
the correct answer is D
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An area received six inches of snow during the winter. Before the snow can continue through the water cycle as ground water or runoff, it must first ___. A : condense B : evaporate C : freeze D : melt
the correct answer is D
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Rachel picked 3 ripe apples from her tree. Now the tree has 2 ripe apples and 27 unripe apples. How many ripe apples did the tree have to begin with?
5
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Which of the following is produced when two or more elements combine in a chemical reaction? A : atom B : compound C : mixture D : solution
the correct answer is B
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Which tool should a student use to see the patterns on a small object? A : balance B : hand lens C : thermometer D : graduated cylinder
the correct answer is B
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Professor Walden studies genetics at a local university. She believes that she has discovered information that contradicts a widely accepted theory. As a scientist and leader in the study of genetics, which action should she take? A : Announce to the world that her theory is better than the old theory. B : Call the new...
the correct answer is C
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Which of the following properties provides the BEST way to identify a mineral? A : hardness B : shape C : size D : temperature
the correct answer is A
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Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food? 1 : carbon dioxide 2 : nitrogen 3 : hydrogen 4 : oxygen
the correct answer is 4
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In which way are sugars usually transported throughout a pine tree? A : across from the cones to the needles B : down from the needles to the roots C : up from the roots to the branches D : circular from the top to the bottom of the trunk
the correct answer is B
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If soil is permeable A : water cannot flow through it. B : water easily flows through it. C : it contains many minerals. D : it contains few minerals.
the correct answer is B
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Which is a characteristic of both plants and animals? A : life cycles B : learned behaviors C : produce their own food D : reproduce using seeds
the correct answer is A
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Brian knows deserts get less rain than other ecosystems. However, he also knows that plants can survive in the desert. Which characteristic of a plant most likely helps it live in a desert? A : the ability to store water B : the ability to attract insects C : the ability to stop predators D : the ability to drop its le...
the correct answer is A
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Mary is baking a cake. The recipe calls for 3 cups of sugar 10 cups of flour and 15 cups of salt. She already put in 6 cups of flour. How many more cups of flour does she need to add?
4
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The Razorback t-shirt shop sells each t-shirt for $ 201 dollars. During the Arkansas and Texas tech game they increased the prices by $ 217 per t-shirt and sold 14 t-shirts. How much money did they make from selling the t-shirts?
5852
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What is the name of the author who proposed natural selection as the mechanism of evolution? A : Mendel B : Darwin C : Lamarck D : Hardy-Weinberg
the correct answer is B
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A mixture of powdered iron and sulfur is heated. What will be formed? A : a single element B : two other elements C : a solution D : an alloy E : a compound
the correct answer is E
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On January 15th, there were 10 hours and 24 minutes of daylight in Jacksonville, Florida. On the same day, there were only 9 hours and 37 minutes of daylight in New York City. Why did New York have fewer hours of daylight than Florida? A : because Earth rotates B : because Earth tilts on its axis C : because gravity pu...
the correct answer is B
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If the Earth rotated in the opposite direction, what would most likely occur? A : The Sun would rise in the west. B : The seasons would be reversed. C : There would be more days in each year. D : The phases of the Moon would last longer.
the correct answer is A
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Scientists found evidence of past glacial activity in Massachusetts. Which of the following conclusions is best supported by this evidence? A : Sea levels were much higher in the past. B : The climate on Earth has changed over time. C : Total numbers of organisms on Earth have changed over time. D : The total amount of...
the correct answer is B
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What allows a light bulb to give off light? A : the current flowing through the wire to the light bulb B : the light bulb giving electrical energy to the battery C : the light bulb generating heat energy D : the battery pushing light through the wire
the correct answer is A
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Josh had 21 marbles in his collection. He found 7 marbles. How many marbles does he have now?
28
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The boiling point of water in degrees Celsius is A : 0°C. B : 32°C. C : 100°C. D : 212°C.
the correct answer is C
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Which of the following gives a plant cell its rigid structure? A : cell membrane B : nucleus C : cell wall D : chloroplast
the correct answer is C
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The boiling point of nitrogen is -196°C. What states of matter are involved when nitrogen boils? A : solid to gas B : liquid to gas C : liquid to solid D : gas to liquid
the correct answer is B
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Being his favorite, he saved checking on the grapevines for his last stop. He was told by 294 of the pickers that they fill 244 drums of grapes per day and 47 drums of raspberries per day. How many drums of grapes would be filled in 146 days?
35624
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Paco had 37 sweet cookies and 11 salty cookies. He ate 5 sweet cookies and 2 salty cookies. How many more sweet cookies than salty cookies did he eat?
3
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The empty spaces in a material are called pores. Porosity is the amount of empty space within a material. Permeability describes how well the pores in a material are connected. Which of these materials would make the most effective aquifer? A : a material that has high porosity and high permeability B : a material that...
the correct answer is A
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Which natural material is best for making a table? A : cotton that is lightweight B : leather that can twist C : paper that can tear D : wood that is sturdy
the correct answer is D
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The school is planning a field trip. The school has 72 classrooms. There are 3 seats on each school bus. If there are a total of 111 students in the school How many buses are needed to take the trip?
37
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What is a true statement about all foods? A : All foods are solid. B : All foods taste good. C : All foods provide nutrients. D : All foods should be cooked.
the correct answer is C
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Which of these is the BEST way to save animals and trees? A : Ride bikes more B : Make more farmland C : Take care of forests D : Move to the city
the correct answer is C
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Luke played a trivia game and scored 154 points. If he gained the 11 points in each round How many rounds did he play?
14
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Which feature results when plates of different densities converge and one plate slips under the other? A : a fault B : a ridge C : a trench D : a rift zone
the correct answer is C
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Which of the following is influenced by both genetics and behavior? A : eye color B : hair texture C : blood type D : body weight
the correct answer is D
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Humans can do many things to impact the environment. Which of these is an example of how humans negatively impact the environment? A : planting more trees B : burning less fossil fuel C : reducing beach erosion D : increasing water runoff
the correct answer is D
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Which are replenished more quickly than they are used? A : energy resources B : material resources C : renewable resources D : nonrenewable resources
the correct answer is C
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The parts of plants that make seeds are the A : roots. B : stems. C : flowers. D : leaves.
the correct answer is C
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Soil erosion can be best prevented by A : removing grass from the steepest slope. B : building terraces into the sides of a slope. C : heavily watering the vegetation on the slope. D : increasing the slope of the land by adding more soil.
the correct answer is B
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A student uses clay to construct a model of Earth. Which layer of the model should be the thinnest layer? A : the layer representing the mantle B : the layer representing the outer core C : the layer representing the inner core D : the layer representing the crust
the correct answer is D
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Rachel had to complete 9 pages of math homework, 2 pages of reading homework and 96 more pages of biology homework. How many more pages of math homework than reading homework did she have?
7
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The shape of the moon appears to change regularly during each month. Which of the following best explains why the shape of the moon appears to change? A : The Earth turns on its axis. B : The Moon turns on its axis. C : The Moon orbits around the Earth. D : Clouds cover the Moon.
the correct answer is C
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After a typhoon, 2 trees in Haley's backyard died. If she had grown 12 trees initially How many trees does she have left?
10