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Straining out the Dirt
Students design and construct a water filter using activated carbon, cotton and other materials to remove chocolate powder from water. They test and record their observations, and complete a KWL chart.
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Isolating Bacteria from a Mix Culture
Students isolate three species of bacteria using the plate streak method, implement sterile microbiology techniques, and produce pure cultures of each microorganism at the end of this exercise. They write a descriptive paragraph for each...
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Acid Attack
Students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also discover several things that engineers are doing to...
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Cleaning the Air
Learners investigate how engineers design methods of removing particulate matter from industrial sources to minimize negative effects of air pollution. In small groups they design and construct a filter with the goal of removing pepper...
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Enzyme Grabbers
Learners perform simple experiments to show properties of enzymes through studying how apple sauce can turn into apple juice and experimenting with papaya seeds. Students witness how enzymes speed up reactions through witnessing the...
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DNA Extraction
Learners participate in a lab activity in which they extract DNA from a strawberry. After mashing the strawberry into an even, smooth puree inside a bag, they add extraction buffer and mix the strawberry with the buffer. They filter...
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Cells Study Questions and Definition
In this cells worksheet, students define 14 words associated with cells. They answer 12 short answer questions about the structure and function of the cellular system.
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Vocab Science Chapter 1
In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.
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Mixtures
In this mixtures worksheet, students fill in 7 blanks, determine if 4 statements are true or false, match 7 terms with the appropriate definitions, and solve 2 problems. These include topics such as homogeneous and heterogeneous...
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Separation of Mixtures and Compounds For K Through 12
Students explore mixtures and compounds. In this lesson, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances. Students will...
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Water in the Environment
In this water in the environment worksheet, students match 10 terms related to water to their definitions. They identify 10 sentences as true or false related to groundwater, layering and landfills. They fill in the blanks for 2...
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PA Watersheds, Many Ways to the Sea
Students examine the water cycle and the factors that interact with watersheds. In this watersheds instructional activity students describe the purification process, trace the flow of infiltrate water through aquifers, and research the...
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DNA Extraction
Young scholars extract the DNA from a strawberry. In this DNA technology lesson, students describe what they think DNA looks like. They use a procedure to isolate and extract the DNA from a strawberry.
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Mushrooms Can Save the World
Students use mushrooms to solve problems. In this environmental lesson, students study how fungi have been used to combat environmental problems. Students design strategies that employ mushrooms to combat other environmental challenges.
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Ocean Exploration: Dentists of the Sea!
Students watch videos about unusual fish behavior and write to marine scientists about the proper care of fish. In this fish lesson plan, students watch the videos on how to properly transfer fish to saltwater, and they do so in an...
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Drinking Water Around the World
Learners explore the concept of water quality. In this drinking water lesson, students discuss the quality of water around the world, conduct research about drinking water, and then write essays about water quality.
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Your Kidneys
In this kidneys worksheet, students review the structure and function of the kidneys in the human body. This worksheet has 18 fill in the blank statements.
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Extraction of DNA from White Onion
Students investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.
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Environmental Education/Water Pollution
Fifth graders play a game in which they list as many environmental issues or terms in alphabetical order. They brainstorm ways they can save the environment and create a mural that displayed research found from the internet and Encarta.
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Using Ion Exchange Chromatography to Separate Proteins
Students explore protein purification by separating a positively charged molecule, lysozyme, from a negatively charged molecule, albumin, at neutral pH using ion exchange chromatography.
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Water Quality
Young scholars conduct experiments to study the quality of water. They examine how pollutants get into and affect the water supply in this unit.
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Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
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Landfills and the Potential for Groundwater Contamination
Students examine how a sanitary landfill is constructed, how it functions, and how waste and leachate affects the areas around the landfill. After a discussion about landfills and leachates, students construct a Sanitary Landfill Model...
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Salt & Sand
In this science worksheet, students find the terms that are related to the concept of the ocean salt and sand. The answers are found by clicking the link at the bottom of the page.
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