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Organic Matter
Written for an agriculture curriculum, this presentation on organic matter is also informative for gardening or horticulture classes. It details the chemical makeup, affecting factors, functions, maintenance, and composting to create a...
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Seed to Soup Organic Garden
Have your young biologists visit decomposition stations as they explore the process of organic material. This activity involves some set-up as kids will be visiting 13 desks to collect colored paper each representing a different element...
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Acid-Base Chemistry
In this chemistry worksheet, students write the balanced equations when a significant reaction occurs in each. Then they rank each element in increasing order of acid strength. Students also rank the strengths of each of the listed bases.
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Ketones and Aldehydes – Reactions 1
In this chemistry worksheet, students complete each of the reactions listed on the sheet, following each step carefully. If no reaction occurs, then they write N.R.
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Percentage Composition
In this chemistry worksheet, students find the formula weight for each of the substances listed on the sheet. Then they find the percentage composition as indicated.
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Chemistry Worksheet (Mole)
In this chemistry worksheet, students identify and name the number of neutrons, electrons, and protons for each. Then they illustrate how the electrons are arranged in a cloud. Students also find the relative number of atoms in the two...
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Formula Calculation
In this chemistry worksheet, students determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.
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Traveling Nitrogen
Students act out the cycling of nitrogen through the environment. In this nutrient cycle lesson, students role play as nitrogen atoms traveling through the nitrogen cycle. They travel to stations and roll dice to determine the pathways...
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Integrating Biology: The Elements in Your Body
In this body elements learning exercise, students read about the chemical make-up of the human body and answer questions about the elements.
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Chemistry of Food
In this chemistry of food learning exercise, students complete 20 various types of questions related to food and nutrition. First, they complete a crossword puzzle with vocabulary terms. Then, students use the figure shown to write the...
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General Chemistry
In this chemistry activity, students identify the name and abbreviation of the SI unit for mass, length, time, electric current, and temperature. Then they give the abbreviation for each of the units listed and describe what they are...
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Eutrophication Experiments
Observe two different water samples and write down observations. Write a paragraph which predicts the relative amounts of nutrients, nitrates, and phosphates in the water samples. Compare water samples under a microscope.
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The Nitrogen Cycle
Learners study the nitrogen cycle and construct a diagram. In this Earth Science lesson students use role play to see the various paths.
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Traveling Nitrogen
Students examine the nitrogen cycle and how it releases into the air. In this nitrogen cycle lesson students participate in several activities that allows them to better understand the nitrogen cycle.
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The Origins and Maintenance of Earth's Atmosphere
In this atmosphere worksheet, students read over a data table showing the percentage of carbon dioxide, oxygen and nitrogen in the atmosphere over the last 4500 million years. Students create a graph comparing these gases over time and...
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Gay-Lussac's Law
In this Gay-Lussac's Law worksheet, students determine the pressure change when a constant volume of gas is heated. Then they identify what the pressure is at standard temperature. Students also determine and calculate the final pressure...
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Ideal Gas Law
In this Ideal Gas Law worksheet, students use the Ideal Gas Law to solve each of the problems listed. They calculate the volume of moles of a gas that occupy at a specific temperature. Students also find the volume of moles of gas whose...
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Balancing Chemical Equations
In this chemistry worksheet, students balance each of the equations listed on the sheet. There are twenty-one equations to solve and complete.
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Chemical Equilibrium Homework Problem Set
For this chemistry worksheet, students write an equilibrium expression for each of the chemical reactions listed. Then they use the equilibrium constant to calculate the equilibrium pressure of each species under the given conditions.
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Gas Law Homework Problem Set
In this chemistry instructional activity, students determine the mass of the gas when filling a bicycle tire with nitrogen. Then they determine the volume of a balloon when at specific altitudes. Students also determine the partial...
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Protons, Neutrons and Electrons
In this chemistry worksheet, students use the periodic table to complete the chart shown, filling in all of the missing information in the blank spaces. They identify and describe various elements found in the periodic table.
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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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Stoichiometry Worksheet I
In this chemistry worksheet, students explain how many moles of oxygen gas are needed to react with a certain number of moles of ammonia. They also identify how many grams of oxygen are needed to react with a certain number of grams of...
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Introduction to Biomolecules
Young scholars are introduced to biomolecules and their roles in livin systems. They are introduced to the "Elements of Life." Students write down and define the "Elements of Life." They are asked why they think those elements are...