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- Grade Range
- 9th - 12th
- Rating
Students examine how different nutrients in the soil and fertilizers affect plant growth. In groups, they participate in a role play in which allows them to see the interactions of humans and plants. They also read articles and record their opinions about issues related to agriculture. Full Review »
- Grade Range
- 10th - 12th
- Rating
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 fertilizers for phosphate content. They answer the questions of what nutrients are required by plants, how these nutrients are obtained and the issues related to fertilizers. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students review the concepts of chemistry and tie them to the application in the industry of agriculture. They discuss the concept of chemical equilibrium and conduct several activities to expand student knowledge. They write chemical formulas and inquire how they are solved. Full Review »
- Grade Range
- 7th - 8th
- Rating
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 nutrients found in the soil. Full Review »
- Grade Range
- 11th - 12th
- Rating
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 conducting research. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students listen as the teacher lectures about the history of commercial fertilizers. The lesson includes extensive information for the teacher. Following the lecture, students complete a worksheet titled "Nitrogen Cycle Problems." The worksheet asks students questions about the N-P-K content of fertilizers, advantages/disadvantages of common nitrogen fertilizers. Students must explain how nitrogen stabilizers work. Full Review »
- Grade Range
- 11th - Higher Ed
- Rating
Students 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. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students 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 disadvantages of this compound. Full Review »
- Grade Range
- 10th - 12th
- Rating
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 illustrated by the Grandcamp disaster in 1947. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students 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. Students conduct an environmental study and create a graph to represent their inferences. Students compare and contrast different fertilizers, the relationship between moles and mass, and the relationship between temperature, energy, and heat. Full Review »
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