Category: Demonstrations

Overview This document outlines experiments demonstrating intermolecular forces, specifically focusing on the interaction of oil and water, surface tension, and additional demonstrations involving various liquids.…

Purpose Show the shapes of VSEPR in a physical representation. Procedure Using the giant molecular model kit, assemble representative models of the basic shapes. Models…

Purpose To demonstrate that reactivity increases as valence electrons become easier to remove in alkali metals. Procedure Safety Precautions

Materials Procedure Teacher Lesson Plan: Diffraction Objective To understand the origins of colors in light, how colors combine to create various shades (including white light),…

Purpose To demonstrate the shapes of P-orbitals using a visual and tactile model. Materials Procedure Conclusion This hands-on activity effectively illustrates the shapes of P-orbitals,…

Purpose To demonstrate that chemicals with similar properties can still have different electronic structures by showing the spectra produced by different ions in a flame.…

Purpose To demonstrate that reactions can either give off heat (exothermic) or absorb heat (endothermic), emphasizing the concepts of systems and surroundings. Materials Procedure Exothermic…

Purpose To demonstrate that by doing work on a system, we can increase the temperature of that system, leading to ignition. Materials Procedure Conclusion This…

Purpose To demonstrate that heavier molecules move more slowly at a given temperature by comparing the diffusion rates of hydrochloric acid (HCl) and ammonia (NH₃).…