Learn how many atoms are in the world and how to perform the calculation. Compare this number to the number of way to order playing cards.
Monthly Archives: May 2022
Learn about alpha particles. Get the definition and learn about the alpha particle symbol and charge. See the reaction for alpha decay.
Alpha Particle – Definition, Symbol and Charge
Learn about group 5 on the periodic table. See which elements belong to this group and learn about their common properties.
Group 5 Periodic Table Elements
Circle the names of the moons of Saturn in this fun and educational astronomy word search puzzle. The puzzle includes 21 names.
Moons of Saturn Word Search Puzzle
Get the Poisson's ratio definition and formula. See a table of common Poisson's ratio values and learn about auxetic materials.
Poisson’s Ratio
Learn about the 5 main layers of the atmosphere and also the sublayers. See the height, temperature, and composition of the layers.
Layers of the Atmosphere
Learn about noctilucent clouds. Find out how these night-shining clouds form and where and when you can see them.