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Investigation of Meiosis in Common Plants and Animals
Students witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
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Abbreviations, Substitutions, Equivalents Review Lab
Students work together to prepare a cookie recipe. In groups, they measure ingredients and review abbreviations and substitutions when it comes to different systems of measurement. To end the lesson, they demonstrate the use of the...
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Old Wives' Tale or Helpful Hint?
In this scientific method worksheet, students examine old wives' tales, conduct research, and design and experiment to test the tale.
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Bikini Bottom Experiments
In this science worksheet, students read the description for each experiment and use their knowledge of the scientific method to respond to each of the questions. Then they write an experiment to test bubble power of the bubble gum...
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Saliva Lab
In this saliva learning exercise, students conduct an experiment to test how saliva breaks down starches. Students complete 6 short answer questions.
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Water Quality Survey
Students identify the differences in the water quality of a stream and complete water testing. In this water quality lesson students collect aquatic insects and identify them.
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Good Senses
Learners examine how the brain can link or senses and how our tongue determines the basic tastes. In this five senses lesson students complete a taste test.
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Animals in Research - Right or Wrong?
Students research animal testing in scientific research. They role-play a research scientist, teacher, animal rights activist, or cosmetics manufacturer, and develop an argument for or against animal testing.
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Catapults
Students are introduced to the concept of a catapult and how it is used with the help of a media presentation. They use catapults in a large, open area and record the distances objects travel. Students use the scientific method while...
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Enzymes and Jell-O
Learners test for the presence of enzymes in fruit and the specificity of those enzymes. They identify the susceptibility of enzymes to certain environmental factors such as temperature and pH in the enzymes environment.
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Presentations
Students give presentations. In this unit culmination lesson, students present their bridge projects to parents. Students test their bridges and are evaluated using a rubric.
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Growing Barley and Detecting the Presence of Amino Acids
Pupils produce the greatest mass of plant material possible for 100 seeds of barley, and detect amino acids in barley plant material. They develop rules for the investigation, conduct the experiment, and prepare a computer spreadsheet...
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Building-Stone Geology
Students examine building stones in downtown St. Petersburg in order t study igneous and metamorphic rocks in central Florida ( a huge area consisting solely of sedimentary rock). Each student picks a particular rock type used in a...
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Laser
Eleventh graders explore the different steps in the engineering process. In this physics activity, 11th graders design an experiment based on topic given. They prepare a presentation and share it with the class.
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Investigating Acidity
Students classify liquids as an acid, base or neutral. They use purple cabbage juice as an indicator to test several liquids in order to group them as acids, bases or neutrals.
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Sink or Float?
Students examine how weight and balance can effect if an item sinks or floats. They listen to the book "Who Sank the Boat?" by Pamela Allen, and discuss how the smallest animal sank the boat. Students then conduct an experiment in...
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What are Properties of Wood?
Students use hands on scientific observation to determine characteristics of wood. They work directly with the materials and record their observations. Students test if wood absorbs water, if wood floats or sinks, and if all wood...
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Determining pH
Students evaluate pH levels through a solubility experiment. In this pH levels instructional activity, students list characteristics of acids and bases. Students complete their own pH level experiment. Students go to the GEMS Alien Juice...
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Polymerization Experiments
Students explain the process of polymerization. For this chemistry lesson, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
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Starch Yer Thinkin' About Corn Products
Seventh graders study the parts of corn and explore the role of starch. In this corn products lesson students prepare a model of water and stones.
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Acid Rain Research
Students collect samples of rainfall, cloud condensation, and water that trickles through the soil. These samples are tested for pH, conductivity, and the presence of sulfates, nitrates, calcium, and magnesium.
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Amylase Enzyme In Saliva
Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...
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Maple Syrup Production
Students examine the steps of maple sugar production and the labor and effort involved from the tree to the final product. They participate in a taste test game, and if they have access to maple trees, make their own syrup and sugar.
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Exhaust, Gas and Pollution
Students watch a demonstration of how bromthymol blue is used to indicate the presence of carbon dioxide in a gas. They design their own experiments to test gasses which are suspected of containing carbon dioxide.