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Mystery Powder Lab
In this mystery powder worksheet, students determine the identify of 6 unknown samples by testing them with cabbage juice for pH, vinegar, iodine for starch and heat. Students determine the identity of the mystery powders using their...
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Ionic vs. Covalent Compounds Lab
In this ionic and covalent compound worksheet, high schoolers investigate the properties of three unknown substances in order to determine if they are ionic or covalent compounds. They write conclusions about their results.
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Bacteria's Role in Food
Students grow bacteria cultures on agar in petri dishes and do a plate count. They participate in a yogurt making lab to see how bacteria produce lactic acid. They prepare a recipe and identify fungi, fermentation and the role of...
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Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
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How Strong is the Solution
Young scholars investigate the strength of solutions. For this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the...
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Genetics the Easy Way
Students use recyclable trash to construct a Recycle Critter family. They calculate the probability of the phenotype of the offspring that two heterozygous parents produced.
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Understanding the Mole
Learners develop an understanding of the mole and molar masses of elements. For this mole lesson plan, students use beans to find their relative masses and draw parallels to the atomic masses of elements. Learners work in teams and each...
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All About Safety
Students create a safety podcast. In this safety instructional activity, students in a robotics lab are introduced to the safety rules for each station. They create a podcast about one station explaining the rules with video, graphics,...
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Introduction to the Scientific Method
Students designs and conduct a scientific experiment that identifies the problem, distinguishes manipulated, responding and controlled variables, collects, analyzes and communicates data, and makes valid inferences and conclusions.
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Holiday Fire Safety
Students discuss and view flammable items. In this fire safety instructional activity, students discuss items that can cause a fire, learn holiday safety tips, watch a holiday safety PowerPoint and discuss what they have learned.
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The pH scale
Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.
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Degradation and Weathering of Polymeric Materials
Students investigate issues of degradation and weathering of polymeric materials during their useful life. They evaluate photodegradable plastics and their viability as an environmental solution for litter and investigate the qualitative...
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2006 U.S. National Chemistry Olympiad Part III
In this chemistry Olympiad lab worksheet, high schoolers are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and...
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2002 U.S. National Chemistry Olympiad National Exam - Part III
Two laboratory problems are put forth for chemistry students. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a potato and...
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Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
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2001 U.S. National Chemistry Olympiad Part III
Here is a comprehensive method for assessing chemistry learners' knowledge; have them approach two laboratory problems, plan their methods of solving each, and then actually carry out the experiments to find the answers. Both the...
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Solar Kit Lesson #3 Parts of a Solar Panel - Part I
A solar cell is similar to a rechargeable battery in many ways. Science lab groups connect each in a series circuit to run a mini motor and then compare and contrast them by answering questions and completing a Venn diagram. This is an...
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A Solubility Curve for Potassium Nitrate
Step-by-step laboratory instructions are listed so that chemistry explorers can consider the solubility of potassium nitrate. They combined their results with other lab groups' results and then graphed the data to display the solubility...
New York Science Teacher
Planet Scaling using Extra Terrestrial Tools
Your class will use a set scale to convert diameters of planets to the model size, the diagram given to expand on the number of planets drawn as concentric circles, and examine the scale that would be needed to fit the larger...
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Resource Sharing Between Chemistry Labs
Students assume the role of community college instructors researching the feasibility of resource (chemicals, supplies, equipment) sharing between community colleges. They explore safety issues pertaining to chemical transport, storage,...
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Confident Commute: Increasing Safety for Teen Drivers
Students brainstorm possible causes for motor vehicle accidents involving teen drivers. In this biology lesson, students study national data regarding teen driving behaviors. They create awareness materials to help promote safe driving...
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Coin Lab
In this experimental design worksheet, students experiment with three coins, a dropper and water. They determine how many drops of water they can put on each coin. They answer questions about their experiment and they design an...
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Plant Life in Action
Sixth graders examine various habitats and record the living creatures they found. In this biodiversity lesson plan, 6th graders complete a worksheet recording their observations. Students draw conclusions about the climate and its...
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Predicting the Growth of Microorganisms
Students determine where microorganisms might be found around their school. In this scientific investigation lesson, students collect cultures from various locations and place these in petri dishes. They incubate the cultures to see if...