This video segment highlights how the U.S. military is the single largest user of energy in the nation, but it is also trying to reduce its carbon bootprint. Scenes taped at Fort Irwin and Camp Pendleton show the Army and Marines experimenting with wind and solar in order to reduce the number of fuel convoys that are vulnerable to attack.

Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computing, history, art history, economics, and more, including K-14 and test preparation (SAT, Praxis, LSAT) content. We focus on skill mastery to help learners establish strong foundations, so there's no limit to what they can learn next!
Mastery Lessons:

• Atomic structure and properties
• Molecular and ionic compound structure and properties
• Intermolecular forces and properties
• Chemical reactions
• Kinetics
• Thermodynamics
• Equilibrium
• Acids and bases
• Applications of thermodynamics

Follow along in this video segment from ZOOM as 13-year-old Nick explains how he came up with a design, tested materials, and constructed his own cardboard chair.

ZOOM guest Amy wants to be a meteorologist and volunteers at a weather observatory. In this adapted video segment, she shows us instruments used to predict the weather and describes how air pressure affects weather patterns.

Visit with Andres during fiesta time at Paracho Michoacan, Mexico's "guitar town". As Andres shows in this video segment from ZOOM, guitar music goes beyond simple sound vibrations.

This module is a brief introduction to making a distinction between kinetic and potential energy.  The laws of potential energy inform many of our definitions later in chemistry and are especially useful when related specifically to charges.

This seminar is designed to be an experimental and hands-on approach to applied chemistry (as seen in cooking). Cooking may be the oldest and most widespread application of chemistry and recipes may be the oldest practical result of chemical research. We shall do some cooking experiments to illustrate some chemical principles, including extraction, denaturation, and phase changes.

This investigation is a lab where students find out if mass is created or destroyed in a closed system. Students will balance the chemical equation to re-enforce their findings.

This investigation is to help reinforce the idea that a mixture can be taken apart by physical means. It will be set up as a contest in which students will have 3 hours of class to separate as much pure substance as they can. These will be broken into percentages based on purity and the amount they have been able to separate. There is no procedure written so students have a completely open and inquiry based activity.

This course introduces experimental chemistry for students who are not majoring in chemistry. The course covers principles and applications of chemical laboratory techniques, including preparation and analysis of chemical materials, measurement of pH, gas and liquid chromatography, visible-ultraviolet spectrophotometry, infrared spectroscopy, nuclear magnetic resonance, mass spectrometry, polarimetry, X-ray diffraction, kinetics, data analysis, and organic synthesis.
Acknowledgements
Dr. Dolhun and Dr. Hewett would like to acknowledge the contributions of past instructors over the years to the development of this course and its materials.
WARNING NOTICE
The experiments described in these materials are potentially hazardous and require a high level of safety training, special facilities and equipment, and supervision by appropriate individuals. You bear the sole responsibility, liability, and risk for the implementation of such safety procedures and measures. MIT shall have no responsibility, liability, or risk for the content or implementation of any of the material presented.
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After differentiating between precision and accuracy, students will perform a lab that helps them learn which lab equipment is appropriate for measuring liquids.
Students will then calculate absolute error and percent error.

Students will independently write the hypothesis, variable, and controls for a lab. Students will learn to read an alcohol thermometer. Students will calculate the rate of change in temperature.

Students will research the physical properties of iron, sand, and salt to figure out how to separate a mixture of the three. Then students will write and perform a lab based on their physical properties.

Students will learn the proper technique for using a mortar and pestle. Students will be able to write their own lab and determine what type of data to collect, complete with hypothesis, variable, control, equipment, procedure, and data table. Then students will perform the lab they have written.

Students will perform a lab to help in understand the need for prior knowledge when writing a hypothesis. Students will also differentiate between a variable and controls by examining the data collected.

General Chemistry I Honors Laboratory Manual (2023) is an eTextbook designed to provide a practical, hands-on approach to learning chemistry for students taking General Chemistry I Honors courses. The manual covers fundamental principles of chemistry, including atomic structure, chemical bonding, stoichiometry, gas laws, and thermodynamics. The book is divided into chapters, each focusing on a specific topic. Each experiment in the manual is accompanied by step-by-step instructions, pre-lab questions, and post-lab questions, helping students to develop their analytical and problem-solving skills.

In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen. In this version of the activity, learners use binder clips to build the base of the device. Educators can use a pre-assembled device for demonstration purposes or engage learners in the building process.

In this video from the Encyclopedia of Physics Demonstrations, observe how a laser beam is trapped in a water jet because the light reflects against the surface of the water.

Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.

Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.