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Physical Science

  • Carolina Quick Tips: Boats and Buoyancy This activity will help reinforce students' knowledge of engineering and principles of density and buoyancy. View »
  • Shaving Cream and Food Coloring Chemistry Decorating eggs is a fun and memorable way to illustrate scientific concepts and make real-world connections. This egg-speriment is appropriate for either the kitchen at home or the laboratory at school. View »
  • Rock Candy: An Edible Study of Crystallization Making rock candy is a safe way to introduce students to solutions and crystal growth—and you can make it a tasty treat at the same time! This activity, which can be done at home using only 2 ingredients, helps students visualize how a supersaturated solution grows the extra-large crystals of sucrose needed to make rock candy. View »
  • Do-It-Yourself Snowflakes Snow delights most students and frustrates most teachers. Please everyone when you create snowflakes in the comfort of your classroom. This fun demonstration or group activity can introduce crystal structures and formation. View »
  • SCUBA Diving and Gas Laws Students are often fascinated by extreme sports such as SCUBA diving. This interest can be harnessed to teach an exciting lesson on gas laws. Five gas laws are discussed, and each discussion is centered on the law’s compelling, real-world connection to SCUBA diving. View »
  • Chalk It Up Use this activity to introduce your students to chromatography. View »
  • Equilibrium Straw Activity What is equilibrium? How is it reached? Many students assume that the concentrations or amounts of reactants and products—rather than rates—must be equal at equilibrium. This short lab activity helps to dispel that notion. View »
  • How I Use the Magnetic Water Kit in My Classroom In this how-to article, a teacher shares her successes teaching topics like states of matter, hydrogen bonding, surface tension, solubility, and more using the Magnetic Water Kit molecular model. View »
  • If Life Hands You Lemons Make a Battery Demonstrate how batteries work with a fresh approach: use lemons for the liquid electrolyte that completes an electric circuit. View »
  • Teaching the Scientific Method with Effervescent Tablets In this activity, students learn the scientific method by practicing it. After a thorough introduction to the topic, students participate in an endothermic reaction experiment illustrating each step in the scientific method. View »
  • Red Cabbage Juice: A Homemade pH Indicator! In this activity, students make a pH indicator from red cabbage juice and then use it to test various substances. View »
  • Stoichiometry and Limiting Reactant Develop a model for a limiting reactant in a chemical reaction, analyze combining ratios for reactions, and write balanced equations for them. Activity supports NGSS instruction. View »