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Phosphate Testing Contract
Students examine how to prepare an experimental procedure. In this scientific method lesson students conduct an investigation on phosphate.
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Determination of Phosphates
Learners engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...
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Precipitate Lab
This lab guide gets chemistry students to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
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Effects of Nitrate and Phosphate Changes on the Growth of Algae
Students determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.
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DNA Cut and Paste Activity
Here is a cut and paste activity worksheet designed for older students. They fill in the blank with information about the composition of DNA, then create a DNA strand with its complimentary nucleotide chain.
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Strawberry Smoothies
Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course.
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The Four Groups of Biologically Important Compounds
This is not they typical set of teacher instructions. It is an organized chart of the important organic compounds. For each, the involved elements, the name of the building block monomers, the names of polymers, extra information, and a...
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ISOLATION OF DNA FROM ONION
Learners perform a laboratory exercise designed to show how DNA can easily be extracted from onion cells. They conduct an optional test for the presence of DNA using standard lab equipment.
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Eutrophication Lab
Middle schoolers examine the effects of detergents and fertilizers on aquatic life and describe algae. Students define the term eutrophication as the process by which a body of water, such as a pond, lake, stream, or river, has a sudden...
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A Lab Demonstration: Three dimensional view of soft internal structures of bony material
Students discuss the structures of a bone and observe a demonstration of bony materials.
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Transcription and Translation Lab Activity
Students investigate DNA strands. They study the sequence to determine if it is DNA or RNA and write the mRNA nucleotide sequence. After stringing the beads together to create the mRNA sequence they translate it into an amino acid...
Salt River Project
How Do We Clean Polluted Water?
How do we clean up oil spills and other pollutants in the water? Explore water treatment strategies with a set of environmental science experiments. Groups remove oil from water, work with wastewater treatment, and perform a water...
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What's in the Water?
Students make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause a...
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Learning the Structure and Function of DNA
Young scholars read about Humane Genome Project, examine structure and function of DNA, and participate in gel-electrophoresis lab. They complete Internet activity to test their knowledge of DNA.
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The Chemistry of Fertilizers
Students use a series of hands-on labs and activities, practice problems, discussions and writing assignments, students investigate about fertilizer chemistry as they break compounds into ions, make a fertilizer and test various...
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A Lab Trilogy for Beginning Biology Teachers
Students are able to explain their models to other students and to their parents. Then students like to decorate the room by hanging the models or constructing mobiles of a number of models.
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Does the increased use of fertilizers effect biodiversity?
Students conduct a hands-on lab activity in which they analyze a sample of water from a local stream or pond. They introduce a fertilizer solution into the sample and analyze and describe their findings.
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Building a DNA Molecule, Mitosis in Motion and Mutation Gossip
Students explore three lab experiments involving DNA, mitosis, and mutation. They complete activities and play games to review DNA, mitosis and mutation concepts. They build a DNA molecule and create flip cards representing mitosis in...
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Is Your Water Clean?
Students compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
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Testing Water Quality
In this science worksheet, students test the quality of water taken from a local source and test it in a lab for the ingredients present.
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Comparing Current Chemical Water Quality Measurements with Past Measurements at a Stream Site
Eighth graders compare water quality measurements from the past to present. In this water quality instructional activity students complete a lab activity that includes stream samples.
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ISOLATION OF DNA FROM ONION
Students perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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This Stuff Makes Me Sick
Students participate in a lab showing the effects of pesticides on Lumbriculus variegatus. Several extensions and variations are also included in this lesson including one which relates the experiment to how pesticides enter our drinking...
Alabama Learning Exchange
Writing Word Equations
Students explore the concept of chemical formulas. In this chemical formula lesson, students watch a video about balancing chemical equations. Students conduct an experiment using silver nitrate and sodium phosphate. Students use...