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Atomic Absorption Determination of Zinc and Copper in a Multivitamin
Advanced lab apprentices prepare zinc and copper solutions to which they will compare the same minerals from a multivitamin. Using absorption spectroscopy, they analyze the contents of the multivitamin for concentration. This lab can be...
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Typical Numeric Questions for Physics I - Atomic Spectra
Seven practice problems are presented to physics pros in this assignment. Given the wavelengths, they perform computations for emission spectra. This brief worksheet makes an appropriate pop quiz.
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#13 Chromatography is a Gas: An Inquiry-Based Introduction to Gas Chromatography
Advanced chemistry scholars read about gas chromatography as a means of separating mixtures into their components. Then they try the technique on fingernail polish remover. Detailed instructions are provided via a lab sheet for your...
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Gasoline Additive
Chemists consider a situation in which an ethanol producer needs to determine how much to add to t-butanol to prevent freezing during transport. They work in the laboratory to obtain the freezing point depression constant for the...
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Mitosis Cookies Activity
Reward biology learners for working hard in their mitosis lesson with a sweet snack at the end! They begin by twisting apart creme-filled cookies and using the icing as a cytoplasm. Colored candy sprinkles make up chromosome pairs,...
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Genetics
A handout on genetic inheritance begins with a reading on alleles and how they can result in albinism. Junior geneticists learn to complete Punnett squares and participate in a coin toss simulation of allele pairing. They also learn...
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Extracting DNA from Your Cells
Three steps are needed to extract DNA from learners' inner cheek cells. The procedure and reasons for each step are explained. As enzymes work on the cells, a series of questions are answered regarding the structure of the DNA molecule....
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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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Light and Elements
Here is a full-fledged investigation of light waves, the electromagnetic spectrum, and element spectra. Physicists research a scientist that contributed to our understanding of the behavior of light. They take notes on your lecture, and...
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Energy Efficiency Ambassadors
Definitely for high schoolers, this lesson is an open-ended exploration of energy efficiency. Groups of two to three junior environmental engineers design an experiment to test for efficiency. They prepare a full lab report and...
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Heat and Conduction
This simple activity is ideal for upper elementary learners when studying physical science. Using their sense of touch to describe how hot something feels, and then comparing their observations to thermometer measurements, they discover...
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Snack Attack - Food Packaging
Class members examine a variety of snack foods, noting the packaging that they come in. They work in groups to design a heat-proof and waterproof package that will safely transport a s'more snack. They test to see if it prevents the...
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Research Projects in Renewable Energy for High School Students
Thirty-eight pages of information prepares you to assign middle or high schoolers a project on sustainable energy. They take a pretest, review the scientific method, conduct background research, and finally choose an experiment to carry...
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Atomic Candy
Mmmmm! Radioactive "candium!" Nuclear physics or chemistry classes use M&M'S® to demonstrate the process of radioactive decay. Individuals pour out a bag of candies and record the number that fall M-side-up to represent the...
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Float a Hot Air Balloon
This activity will lift spirits in your class, but there is little scientific explanation for what makes a hot air balloon rise. As you are teaching middle school scientists about density and convection, you can incorporate this...
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Fluorescence
Here are some instructions for leading learners through a hands-on activity for investigating ultraviolet radiation. First, introduce them to light and refraction. Then introduce them to the electromagnetic spectrum. Finally, give...
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The Purpose of Each Part of a Plant
Beginning botanists can sketch the parts of a plant in individual boxes, or better yet, they can tape or glue actual plant parts in them. Beside each box are a few sentences with selected words left out. From the word bank at the bottom...
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Dry Ice Activities Mini Lesson
Get your middle schoolers experimenting with dry ice. In the first activity, they place a piece in water and then use phenol red to identify its pH. In the second, they place a piece in a limewater solution and watch as the combination...
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Groundwater as Part of the Water Cycle
Make sure to read through the activity procedures thoroughly before teaching this lesson because the materials list is incomplete. Also, the mentioned worksheets and booklet are not available. However, there is no need to discard this...
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Soil Porosity, Moisture Content, pH, and Density
This lab activity does not have to be done with AP environmental scientists. It can also be done with middle to high school earth scientists. The procedures aren't complex. Learners determine the density of dry and wet sand in order to...
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What Parts of a Plant Do We Eat?
Did you know that tomtoes and cucumbers are actually fruits? Biology or botany beginners read about the function of flowers and fruit and find that some food items commonly called vegetables are, by definition, also fruits! Give learners...
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Moldy Jell-O
Mini mycologists plan an experiment to determine what affects the growth of mold on gelatin. A list of available materials is provided, but the procedure needs to be designed by the lab group. A data table is also provided in...
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Oxidation of Iron - An Example of a Combination Reaction
Here are photos and general instructions for demonstrating two oxidation reactions with your physical science beginners. They use salt and hydrogen peroxide to cause iron filings to rust, and they combine hydrogen peroxide with a piece...
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WET Science Lesson #3: Comparison of Aquatic and Terrestrial Plants
Elementary life science explorers compare and contrast aquatic and terrestrial plants (elodea and soybeans) in a Venn diagram. Some background information is provided to support direct instruction, and general instructions are provided...