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Diatoms of Laboratory Indicators of Water Quality
In this science worksheet, learners use the diatoms present in water in order to test water quality and perform data collection and interpretation.
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Laboratory: Modeling Molecular Shapes
In this molecules worksheet, students answer post lab questions about types of bonds, factors that determine polarity and molecular geometry. They calculate electronegativity differences in atoms and determine the types of bonds between...
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Laboratory: Hydrated Salts
In this hydrated salt worksheet, learners answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...
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Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
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Research Ethics
Young scientists discuss the results of carelessness during experimentation and the temptation to misrepresent findings. These activities are intended to develop the ability to identify scientific error, misconduct, and fraud. Use this...
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Evidence of Heat Transformations
Earth, life, and physical science classes can all benefit from understanding heat transfer. There is not room enough to describe these seven exceptional laboratory experiments that explore conduction, convetcion, and radiation. Several...
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Flower Dissection
Beginning biologists pull a flower apart and familiarize themselves with the different reproductive structures. Why have them learn only from just a book or diagram when they can examine real samples? There is no link to the referenced...
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Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
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Bubble and Boyle
Middle-schoolers still enjoy playing with bubbles! In this series of eight laboratory activities, science learners explore convex and concave surfaces, angles, gas laws, buoyancy, density and more!
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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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Student Reading - The Unique Properties of Water
Without water there would be no life on this planet. Biology learners find out why by reading this handout. Create a worksheet of questions to answer after the reading. Follow it up with quick demonstrations or laboratory activities that...
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Saltwater: Nifty Aqueous Colorful Layers
A classic investigation on the density of liquids is explained for you in this lesson plan. Te begin, you prepare water samples of different salinities and then add different food coloring to keep them separated and easily identified....
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Junior Solar Sprint Series: Gears and Drive Belts
Activate middle schoolers' minds with this physical science activity. Learners vary the diameter of gears and the number of teeth on them to find how energy output is affected. This writeup features well-developed background information...
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Finding Oxidation States
In this chemistry worksheet, young scholars examine the oxidation state in order to apply it in the laboratory setting. The sheet includes in depth background information.
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Oxidation Reduction
In this chemistry worksheet, students examine oxidation reduction in order to apply it in the laboratory setting. The sheet includes in depth background information.
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Kinetics of Acid
In this chemistry worksheet, students examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
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Don't Be Tricked By Your Integrated Rate Plot
In this chemistry worksheet, students examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
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Identification of Positive Streptococci
After being introduced to the genus Straptococcus, biology buffs set up agar plates, esculin slants, and salt broth tubes with different species to test. The level of laboratory skills required to perform this activity makes it most...
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Types of Bonding Lab
Chemistry lab learners experiment to identify a series of unknown compounds. They choose which tests to perform, but you may suggest melting or boiling point, solubility, electrical conductivity, and malleability. This is a terrific...
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Regents High School Examination: Physical Setting Earth Science 2009
Junior geologists address 50 multiple choice questions and 35 short answer questions about the earth system. Plenty of visuals are included for interpretation: diagrams, graphs, maps, photographs, laboratory setups, weather symbols, and...
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Error/Uncertainty Analysis Worksheet for ___________________
This worksheet is meant to be used in laboratory experiments for which there is an accepted value that pupils are attempting to discover. It asks them to compare their results to commonly accepted values and then to calculate the percent...
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Heat Transfer
Answer short answers and fill-in-the-blank questions after reading a briefing of how heat energy is transferred between objects. This straightforward instructional activity can be useful as homework the evening before you do...
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Plant Diversity
Here is an all-encompassing overview of the plant kingdom! In this worksheet, beginning botanists describe characteristics of the four different plant phyla, explain various life cycles, differentiate between monocots and dicots, and...
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Teaching Biology Through Bioinformatics
Wow! A very detailed slideshow covers complex topics of genome research methods. This is advanced and relevant to the highest level of school biology. Excellent resource if you wish to expose your class to scientific methods and...
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