Benchmark Review Questions
Quiz by Hannah Childers
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20 questions
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- Q1A group of students observed the formation of bubbles when water boiled. What happened to matter because of the physical change to the water?Old matter was destroyed as the water turned to gasMatter was conserved when it changed formNew matter was created in the bubblesThe composition of the matter change30s
- Q2Which would MOST affect the health of fish in a local pond?daily release of hot water into the pond from a local factorythe occasional erosion of sediments into the pond from a nearby fielda storm temporarily stirring up water and sediments in the ponda slight increase in the number of people who fish in the pond for food30s
- Q3Which of the samples shown represents an element?Substance 2Substance 3Substance 1Substance 430s
- Q4Which characteristics must be true of an aquifer?rock must be permeable and contain many poresrock must be impermeable and contain few poresrock must be permeable and contain few poresrock must be impermeable and contain many pores30s
- Q5Which accurately compares river basins and watersheds?some areas are drained by river basins and others are drained by watershedsriver basin and watershed are terms that have the same meaninga river basin consists of many watersheds that all drain into ita watershed consists of many river basins that all drain into it30s
- Q6Which BEST describes the type of change that occurs when liquid water freezes to become ice?physical change in which the ice is less dense than the liquid waterphysical change in which the ice is more dense than the liquid waterchemical change in which the ice is less dense than the liquid waterchemical change in which the ice is more dense than the liquid water30s
- Q7Which is the BEST way for a city to monitor the effects of a new factory built on a riverbank for pollution?check pH levels of the river water dailyset up a sewage treatment plant downstreamcheck regularly for dead fish and other wildlife in different parts of the river after the factory is builtset a baseline toxicity level for the water before the factory is built then test the water on a regular basis30s
- Q8An energy pyramid is illustrated. Which statement BEST explains the flow of energy as it moves through the different levels?energy increases as it is gained from the environmentenergy is transferred as it is produced by organisms in the next levelenergy is unavailable because it is used up by the organisms at Level 1energy decreases as it is lost as heat to the environment30s
- Q9An experiment was performed, and the data from the experiment was recorded in the table. Based on the data, what mass of HCl was used to start the reaction?5.50 grams11.00 grams6.00 grams41.5 grams30s
- Q10Which substance is a compound?saltwatersodiumsaltchlorine30s
- Q11A simplified nitrogen cycle is shown. How does nitrogen in the atmosphere become beneficial to plants and eventually animalsnitrogen must be mixed in the soil by earthwormsnitrogen must be converted into a useful form by bacterianitrogen must come into contact with the ground through rainfallnitrogen must be converted into a useful form by bacteria30s
- Q12A student performs an experiment and the results are shown. BEFORE: Iron filings are brown, small, and magnetic; copper sulfate crystals are blue, brittle, and not magnetic. AFTER: The copper formed was reddish, solid, and not magnetic; iron sulfide solution was colorless and not magnetic. Which statement BEST supports that a chemical reaction took place?a physical change in the iron occuredthe original substances were present aftera new substance was formedchanges in color occured30s
- Q13Ocean water can be distilled to remove the salt and other dissolved substances, producing pure water. Which BEST describes the feasibility of distilling ocean water as a means of supplying freshwater to people in areas where the supply of freshwater is lacking?Distilling ocean water involves the use of hazardous chemicals, and the water would be contaminated after the process was completeDistilling ocean water is a simple process, but current technology does not exist to produce such a large supply of freshwaterDistilling ocean water is too expensive of a process to produce enough freshwater supply to all areas where freshwater is lackingDistilling ocean water would not produce enough freshwater to supply all areas where freshwater is lacking30s
- Q14Where is water used for drinking MOST LIKELY to come from?oceans and estuarieslakes and pondsrivers and streamsreservoirs and aquifer30s
- Q15Which marine habitat buffers pollutants and is an important breeding ground for organisms?deep oceanintertidal zoneestuaryopen ocean30s
