Northwest High School Science
Metric Conversion: Stair-Step Method
Elevate young scientists' skills with unit conversion using the stair-step method. Detailed instructions and a neat stair-step diagram are on the first page. Four pages of practice problems follow, mostly with real-world applications....
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Chemistry
In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...
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Whose Life Is It?
Students consider the implications of cloning. In this science and ethics lesson plan, students consider when cases of cloning are ethical and when they are not as they discuss scenarios and their discussion questions.
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Chemistry 152 - Competencies
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
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Life in a Drop of Water
Students observe the wealth of living organisms in a drop of water from our freshwater ecosystems. They classify the types of organisms observed as single-celled or multi-cellular and use a key or chart to identify and name the organisms...
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Math, Chemistry, and Food
Students explore the effects of chemical reactions when cooking. Using the Internet, they research enzymes and then mix jello. They examine their results and test enzyme activity by adding pineapple to the jello. Finally, they test...
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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.
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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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Biomes: Coastlines and Seas
Middle schoolers study the different types of coastlines and their territories. In this marine coasts lesson students identify life forms that are in the coastal regions.
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Fluid Thinking About Liquids and Solids
Second graders examine the physical characteristics of the different states of matter. In this chemistry lesson, 2nd graders observe how matter changes from one phase to another. They classify substances according to its type of matter.
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The Cell
Students study the basic processes by which cells divide and transfer their genetic information. They recognize and distinguish possible inherited traits and through the discovery method of the facts and principles of inheritance....
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Physical vs. Chemical Changes
In this chemical reactions learning exercise, students read about the differences between physical and chemical changes in substances. Then students identify situations as either an example of physical or chemical change. Students learn...
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Cells: Structures and Processes
Students explore the basic unit of life, the cell in this nine lessons unit. The cell structure of animal and plant cell functions and how they affect our world are probed in this unit.
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A Pre-Treatment Model for Ethanol Production Using a Colorimetric Analysis of Starch Solutions
Students recognize the benefits of ethanol and study photosynthesis. In this ethanol lesson plan students complete an experiment that shows the procedure that starch can be hydrolyzed by salivary amylase.
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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.
Beyond Benign
Puzzler
Are some packaging materials superior to others? Using sustainability as a guide, scholars analyze different packing materials to describe their life cycles. They create puzzles to communicate their findings.
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Carbon Atom Mobile
Students research the element of carbon, its composition, and the importance of carbon to life on earth. Then they design model mobiles of carbon atoms to demonstrate their understanding of the configuration of protons, neutrons, and...
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Keeping Healthy
High schoolers describe the relationship between exercise and health. They name ways to monitor their health and the equipment used to do so. Students name solutions to common health issues and explain why good nutrition and exercise are...
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WATER CHEMISTRY
Young scholars list reasons why water is important and investigate and graph the freezing points of different solutions.
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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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Colds and Germs
Learners determine how diseases are spread from one person to another. They investigate the importance of hand washing to reduce the spread of common colds and other diseases. They listen to teacher read alouds and complete an inquiry...
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Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
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Ions in the Environment
Students explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.