Master Chemistry with Fun Quizzes & Brain Teasers!

Animal cells contain one large, central vacuole while plant cells havemany smaller vacuoles throughout the cell.True or false?
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How many significant figures are in 100.3
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An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described?small crystalscooled quicklyproduced from magmaformed at Earths surface
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Whats the answer????
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Plant and animal cells have basically the same shape when viewedunder a microscope.True or false
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Is magnetite organic?
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Convert 22.0 mL to L
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The Periodic Table is aA)a chart that contains compounds, elements, and mixturesB)a chart of elements that shows the density of each elementC)a chart of compounds that shows their atomic structureD)a chart of elements showing the repeating pattern of their properties
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Clara wrote the following hypothesis for an experiment about acidophilic bacteria.Bacteria cells will stop dividing in a basic (alkaline) environment because of the high pH.Which statement is the best way to restate the hypothesis so that it is more specific?Growing acidophilic bacteria in some environments will cause the cells to stop dividing because of pH.If the pH of their environment is changed, acidophilic bacterial cell division will be affected.If the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing.The more alkaline an environment, the less cell division will occur in bacteria.Please help :)
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When you walk at an average speed of 5km/h for 30 minutes, how far will you walk?
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A teacher asked her students how a cruise ship has such a large mass is able to float in the ocean?
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Why is an atom considered electrically neutral?
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Which statement about the specific heat capacity of aluminum is correct?
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science is a growing body of knowledge that often relies on previous knowledge true or false
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Day 2 question 2 is the one im having trouble with please help!
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How can I explain that orange juice is a homogeneous mixture ?
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Rank cesium, chlorine, and chromium in order of increasing electron affinityA) Cs < Cr < Cl B) Cl < Cr < Ce C) Ce < Cl < Co D) Ca < Cu < Cl
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Models are used to observe phenomena which _____.
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Why do clouds for when a warm air mass collieds with a cold air mass?
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1pt The step by step method scientists use to solve problems and test ideas isO A. The Scientific MethodB. The Reportc. The ResearchO D. Learning Objectives
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Why are the so many volcanoes in california help pls!!
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1pt Which part of the scientific method helps you figure out what you've learned?O A. PredictOB. ObserveO c. DesignOD. Analyze
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Which physical property is used to be Indentify the ability to dissolve
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83.80 round to nearst whole
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