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Teaching Avogadro's Number
Learners design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
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Identification of Animals by Serum Electrophoresis
Students compare their unknown serum against a set of known serum standards and determine the animal source of their serum. They write a lab report to communicate their results.
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Colorimetric Determination of the Concentration of Blue Food Coloring in Sport Drinks
Seventh graders determine the amount of blue food coloring in sports drinks and plot the concentration and absorbance data. They summarize the data and determine why companies need to know the amount of chemicals in their products.
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Acidity of Soda Pop
Students conduct an experiment to determine the acidity of three different brands of soda by adding a known volume of base until a pink color appears in the reaction vessel. They test fresh and flat soda, observe any differences, and...
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Solution Concentration
Students determine differences in concentrations. They have to state the problem they feel exists, consider possible solutions, and develop a plan to come up with for containers whose labels have fallen off. Students base this off the...
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Nitrogen Fixation, OR What a Gas!
Learners illustrate the adaptation and co-evolution of organisms. They examine set up an experiment to determine the effect of adding the Rhizobium bacteria to a group of legume seeds.
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Mixtures
Sixth graders experiment with mixtures. In this chemistry activity, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
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Activity #5 Environmental Effects
Students explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
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To Be Salty Sea Ice Or Not
Students explore what type of solutions freeze. They design their own experiments to compare how fresh water and salt water freezes. In addition, they write their observations in a journal and complete analysis questions.
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Cell Division and Mitosis
Students identify each phase of mitosis and the main characteristics of each. Students prepare a microscope slide with onion root tip. Students observe the cell division occurring in the cells and label the mitosis phases observed.
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PH Neutralization For Pollution Control
Students recognize whether a solution is an acid or a base. In this acids and bases lesson plan, students use chemicals and identify if those chemicals are acids or bases. From the conclusion, students will be able to identify if the...
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Watch the Screen!
Students explore screening processes for biological activity. In this deep sea lesson students complete a lab activity.
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Kernel Power" Ethanol Fuel from Corn
Students study why corn is a biodegradable, renewable resource. In this ethanol lesson students build models and observe a chemical reaction.
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Does Size Matter?
Students explore chemical solutions. For this chemistry lesson, students investigate the relationship between three related experiments about solutions. Students determine variables that affect the chemical concentration of each solution.
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The Exceptional Nature of Cellulose
Young scholars observe the affects of a substance's composition and structure have on its solubility. In this cellulose activity students compare the amount of energy required to dissolve mono-saccharides with that required to dissolve...
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Molecular Explorations
High schoolers explain the processes for separating DNA from tissue and separating complex mixtures. In this exploratory lesson students complete a lab where they extract DNA.
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Tree Inventory and Map Project
For this tree inventory and map project worksheet, learners follow the directions on how to take inventories of trees and create a map from it. Students follow 4 sets of directions.
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Wetland Inventory and Map Project
For this wetlands inventory and map project worksheet, students do research on the wetlands and complete a map project about it. Students follow 6 sets of directions with Internet links.
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Investigating the Soil
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...
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DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
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DNA Isolation
Pupils use scientific methods to investigate the concept of DNA. They observe the DNA of human cheek cells. This is done with the use of a lab experience. Students record their observations and reflect upon on how each organism is unique...
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ISOLATION OF DNA FROM ONION
Learners perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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pH Potential
Students experiment to determine the positive and negative impacts of human activities on environmental change. They examine how physical and biological processes such as decomposition affect soil characteristics while looking at the pH...
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Mixtures as Solutions or Colloids and the Tyndall Effect
Students classify mixtures as solution or colloids by virtue of the Tyndall Effect. They make a cone and tape to fit over the lens of the flashlight. They turn out the lights in the room and shine the flash light at each of the jars and...