Learn how to calculate a tip without a calculator easily in your head. See examples and know how much to tip for different services.
Yearly Archives: 2021
Perform the tin hedgehog experiment and grow spiky tin crystals. Here are two easy methods and a look at the chemistry of how it works.
Tin Hedgehog Experiment – Easy Metal Crystals
Learn about Dalton's law of partial pressures. Get the definition, formula, examples, and worked problems for this ideal gas law.
Dalton’s Law of Partial Pressure – Definition and Examples
Perform the genie in a bottle chemistry demonstration and learn the chemistry behind how this exothermic reaction works.
Genie in a Bottle Chemistry Demonstration
Learn about the kinetic molecular theory of gases. See the assumptions the theory makes and get worked example problems.
Kinetic Molecular Theory of Gases
Learn how to make a cloud in a bottle or jar. Here are three easy methods and a look at the science behind how they work.
How to Make a Cloud in a Bottle – 3 ...
Learn how to make glowing bubbles with these simple recipes. Make bubbles really glow in the dark or else glow under black light.
How to Make Glowing Bubbles
Learn about the activity series of metals or reactivity series and get a chart to print. Learn how to use the activity series in chemistry.
Activity Series of Metals (Reactivity Series)
Learn what entropy is in chemistry and physics. Get a simple definition and scientific definition and see entropy examples.