Devising a Set of Experiments to Test Water for Dissolved Substances

Incorporate reading strategies, math, research, and the scientific method into one instructional activity about water conservation. After reading a story about a landlady trying to determine how many people are living in an apartment,...

Sometimes, despite the best laid plans, the unexpected will occur. Learners witness this firsthand as they carefully design an experiment to determine the time needed for ice to melt in salt water or pure water. They uncover facts not...

Numbers and statistics don't mean nearly as much to middle schoolers as visuals. Create a model of earth's water supply with an aquarium, then follow the directions to remove small portions of the water to represent water in its various...

What is the best way to test water quality? Using plastic bottles, scholars create monitoring sensors to test water quality. Creating three different sensors allows individuals to measure water quality at different water levels.

What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...

Can you make a stopped egg spin again without touching it? A Veritasium video attempts to do this using inertia. It discusses the differences between attempts with hard-boiled and raw eggs. It explains the science of inertia and opens up...

Students compare bottled water qualities to water found naturally in a pond habitat. They research their state's laws/regulations in regard to bottled water and study the advertising, cost, and quality of brands of bottled water. They...

Water is common? Not really! Learn how the polarity of the water molecule gives it tremendous properties that make is quite unique in the universe. Learners will understand surface tension, adhesion, and cohesion, as well as why these...

Water filtration — that's pure genius! Groups test the ability of a water filter to purify water by running chlorine contaminated water through a filter and measuring the chlorine concentrations as they filter the water. They then graph...

What does it mean to have hard or soft water? Learners discover the chemistry behind water hardness in the fifth video of a seven-part series describing our water resources. Using simple animations and balanced chemical equations, young...