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Rock Eaters of the Gulf of Alaska
Students compare and contrast the processes of photosynthesis and chemosynthesis. They identify and describe sources of energy used by various organisms for chemosynthesis.
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Seashore Life
In this seashore life worksheet, students identify the animals that live on the seashore. Students then color the animals that live on the seashore. Students also draw and color any additional animals they would see.
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Science Lessons for Grade 7
Seventh graders construct a food chain based on pictures shown on the board. In this biology instructional activity, 7th graders describe the motion of particles as energy is changed. They explain how pH changes during neutralization.
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Cell physiology and chemistry
Students design an experiment to discriminate between chemical diffusion, osmosis, facilitated diffusion and active transport through a membrane. Be specific about predictions and interpretations!
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Summer Science Recipes: Experiments on the Grill and in the Kitchen
Generate ideas about the most scientifically sound ways to prepare foods safely and efficiently during the summer season. Learners will use the GED Connection Science Workbook, so they can practice the skills needed to prepare for the...
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New York City Water Quality Assessment Project
Students investigate the chemistry of water and how its molecular structure supports life through its biochemcial, physical, and environmental roles. They investigate the quality of water as it interacts with the environment. Students...
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Polymerization Experiments
Students explain the process of polymerization. In this chemistry lesson, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
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Temperature and the Tomato
You will need a photovoltaic system and monitor at your school in order to obtain all of the data required to thoroughly implement this lesson. Your class monitors daily temperature and insolation amounts over a two week span of time....
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Metabolism & Enzymes
More extensive than just a general overview of digestion and reactions, this slide show gives information about all areas of enzyme function. Topics like the chemistry behind efficiency of enzymes, factors that affect speed of...
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Kidney Structure and Function: removing intracellular waste
Your class will learn all about the function of the kidney and how it operates in animals from different habitats. The methods of absorption, filtering and excretion are detailed and pupils will learn of the different...
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Lake Strata and Internal Waves
Use the classic density demonstration of placing a cola, a clear soda, and a diet soda into a tank of water. Then let learners attempt to pour some of the soda into layers in a clear container. The procedure explains a thermocline, and...
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Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
Howard Hughes Medical Institute
How the Body Uses Fat
Not all fat is bad—eating good fats actually helps with weight loss. Learn how the body uses fat through a 27-slide presentation that breaks down the path fat takes from entering to exiting the body. Understanding why fat is helpful and...
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Toxicants and California Blackworms
High schoolers determine the normal behavior of California blackworms. They determine how various concentrations of assigned toxicants affect the worm's behavior. Students are introduced to testing of potential toxicants, an important...
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The Good, the Bad and the Nasty Tasting
Students examine the effect of chemicals from marine plants or animals on predator's preferences. In this ecology activity, students conduct taste tests and collect necessary data. They write their conclusion after analyzing...
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2005 Hidden Ocean Expedition What's Eating You?
Analyze data and make inferences about the trophic position of organisms in the Canada marine food web. After a review of the geography and formula, discuss results and write an essay to improve the understanding of Artic food webs.
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pH Readings and Salinity Readings of Water From Three Locations Within the Neponset River Watershed
Sixth graders test the ph levels of water from three different water environments within the Neponset River Watershed. They discuss the three different water environments, take pH measurements of the three samples, and predict which...
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Mobile Phones
Investigate how mobile phones impact their lives through this technology lesson that has students discuss the history of the cell phone and research how cell phones are being used in third world countries. Students create a blog for new...
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To Smell or Not to Smell, That is the Ester
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
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Root, Root, Root for the Nutrients
Students observe the growth of a seed, predict what will happen when seeds are planted without soil, and conduct an experiment using a hydroponics system.
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DNA Diagnosis
Students describe the fundamentals of DNA such as structure and replication. Given a picture of a gel, they circle the band that represents the smallest DNA, the largest DNA, and show which DNA sources are the same.
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Life in Extreme Environments - Lakes Under Ice
Students collect chemical, physical, and biological data from a local lake throughout the year. In addition, students discuss the design of an experimental structure for water collection at several specific depths as well as assess the...
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The Breathtaking Nature of the Urban Explosion, Part 2
Students explore ozone levels. They measure the concentrations of ground-level ozone in the atmosphere. Students observe changes in the concentrations of ozone over time. Students complete a data sheet to record ozone readings over a...
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Our Universe: Designed or Evolved?
Students brainstorm and write arguments for Evolution and Intelligent Design. They research the history of each of these ideas. They also examine the controversy of teaching one or both ideas in schools.