All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...

Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson plan that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure...

Sugar isn't good for you, but it's great for yeast! Scholars design an experiment to investigate how variables affect the rate of sugar consumption in yeast. The last installment of a nine-part Life Science unit considers how scientists...

Students identify the factors that influence reaction rates. In this chemistry instructional activity, students design an experiment to test one factor they identified. They perform the experiment and share the results to the entire class.

Train a budding electrician about the principles of electricity and the wiring materials needed to complete the job. Briefly covered are basic electrical concepts such as, volts, watts, circuits, and safety. Also covered are the...

Stop wasting energy searching for physics resources, this comprehensive collection of worksheets has you covered. Starting with introductions to the scientific method, dimensional analysis, and graphing data, these skills practice...

Students complete experiments to determine how rocket fuel is affected by surface area and temperature. They compare the reaction rates of antacid tablets. They discuss their results to complete the lesson plan.

Searching for a fairly easy demonstration of how oxidation triggers rust formation? The demonstration allows high school chemists to witness the rusting of metals, as large and small objects are held into a flame while triggering the...

What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres. 

Young scholars compare the reaction rates of effervescent antacid tablets under different conditions. They investigate methods of increasing the power of rocket fuels by manipulating surface area and temperature.

Fourth graders improve their understanding of Graham's Law by using properties of gases to evaluate the rate of effusion of two compounds as they vaporize. They engage in a lab which elevates their understanding of the properties of gases.

The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...

It's time to save endangered species through engineering. The third lesson in a nine-part Life Science unit has young environmentalists study species extinction. An engaging discussion leads to some ideas on how to use engineering design...

For this writing conclusions worksheet, students practice writing and evaluating paragraphs written at the end of an experiment. They are given a hypothesis and a results sentence and they write a conclusion.

In this nutrition activity, students review the organs and enzymes that are part of the digestive system. Then students review the food pyramid by comparing two menus. This activity has 9 fill in the blank, 4 true or false, and 5 short...

Students create a synthetic dye and oxidize the dye and record the effects.

Explains the integrated rate laws for zero-, first-, and second-order reactions. Students then try a virtual stopped-flow experiment to find the rate law and the rate constant for a chemical reaction. Requires Java.

[Free Registration/Login may be required to access all resource tools.] Students use a rate law to describe the concentration dependence of a reaction rate, and then determine the rate law for a reaction by analysis of experimental data....

In this experiment, you will determine the rate law and confirm the mechanism of the reaction between cyclohexanone and iodine. Requires Java and QuickTime plug-ins to access some features.

This lab further analyzes the results of the experiments carried out in Chemical Kinetics 1. In addition, you will carry out experiments to determine the temperature dependence of the reaction rate constant. Requires Java plug-in.

[Free Registration/Login may be required to access all resource tools.] Students describe how the elementary steps of a chemical reaction combine to produce the overall reaction mechanism, and identify intermediates and catalysts when...

Do you read the list of ingredients in foods and drinks before you buy them at the grocery store? If you do, you may have noticed that many of the items that are blue in color have the same dye, called FD&C blue 1. In this chemistry...

This is a glossary of words and definitions of terms having to do with work, energy, and energy resources.

In this activity, students investigate the simulated use of solid rocket fuel by using an antacid tablet. Students observe the effect that surface area and temperature has on chemical reactions. Also, students compare the reaction time...