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The Chemistry of Fertilizers
Students use a series of hands-on labs and activities, practice problems, discussions and writing assignments, students investigate about fertilizer chemistry as they break compounds into ions, make a fertilizer and test various...
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Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
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Real Life Chemistry (for the Business World)
In this real life chemistry learning exercise, students are given 12 problems to solve by converting from one unit to another. Students are given conversion factors to find their answers including finding the number of moles and molecules.
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Chapter 14 Review, Section 3: Acids and Bases
Aside from a mention of a textbook page, this chemistry assignment is a suitable review of acids and bases. It begins by addressing conjugate pairs and acid base reactions. Neutralization and amphoteric properties are also dealt with....
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Chemistry: Real Life Chemistry (for the Business World)
In this real life chemistry worksheet, students are given 4 conversion factors and they solve 7 problems using the given conversion factors. They find the number of "widgets" and "watzits" needed to complete a "system". They find their...
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Ammonium Nitrate - Efficient Fertilizers
Learners study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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Fertilizers, Pesticides and Human Health
High schoolers define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. High schoolers conduct an...
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Chemistry and Commercial Fertilizers
Students listen as the teacher lectures about the history of commercial fertilizers. The instructional activity includes extensive information for the teacher. Following the lecture, students complete a worksheet titled "Nitrogen Cycle...
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Chemistry In Plant Nutrition And Growth
Students investigate different factors that affect plant growth. They research the effects of water supply, radiant energy, air temperature, and soil temperature. Students also gather facts that influence plant nutrition that include the...
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Chemistry And The Nitrogen Cycle
Students investigate the factors that compose the nitrogen cycle. The harmful effects of acid rain and ozone depletion are also discussed in the lesson. Students define the nutrient that is often limiting to plant growth through...
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Ammonium Nitrate - Is it worth the Risk?
Students consider that ammonium nitrate is used as a fertilizer and an explosive. They study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. The dual nature of Ammonium Nitrate was...
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Group 15, The Nitrogen Group
This short presentation provides a convenient introduction to the nitrogen group in the periodic table of elements. A graphic displays where they are placed in the periodic table. The nitrogen cycle is mentioned and ammonia is explained....
Maryland Department of Natural Resources
Eyes on Dissolved Oxygen
Learn about the factors that affect the way oxygen dissolves in salt water with a chemistry lab. After studying the molecular structure of water, young scientists figure out how aeration, temperature, and organic waste affect dissolved...
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Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
Teach Engineering
Basically Acids
Base your lesson plan on acids and bases on an informative resource. The first installment of a five-part module on the science behind Harry Potter has individuals investigate acid/base chemistry with the use of invisible inks. They also...
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Mixtures, Percentage and Equation Stoichiometry
In this chemistry worksheet, students answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
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Ammonium Nitrate- Stoichiometry
High schoolers quantify the relationship between moles and mass. They comprehend that ammonium nitrate is used as a fertilizer and an explosive. Students study the chemistry of ammonium nitrate and consider the advantages and...
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Making Ammonia - The Haber Process
In this fertilizer learning exercise, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber came up with an efficient process. Students complete 10 short answer questions...
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Auxin: Indole-3-Acetic Acid (AAA), A Hormone with Diverse Effects: Synthesis and Applications
Students synthesize Indole-3-Acetic acid from 3-indolylacetonitrile. In this biochemistry lesson, students determine the effect of different concentrations of IAA on lima beans. They explain how hormones help in plant development.
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Periodic Table Puzzle
In this chemistry learning exercise, students use the clues given at the bottom of the sheet to solve the crossword puzzle on the Periodic Table. They describe the number of protons and electrons some elements posses, as well as identify...
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What is Wrong with My Pond?
Young scholars examine various pond water samples to identify water quality. In this water quality lesson, students will identify levels of nitrates, ammonia, pH, hardness,and alkalinity in pond water. They will explain importance of...
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Root, Root, Root for the Nutrients
Pupils 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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Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.
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Determination of Phosphates
Learners engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...