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Thirsty Yet? Eight Cities That Are Improbably Running out of Water
Thirsty Yet? Eight Cities That Are Improbably Running out of Water. The amount of rainfall a place gets isn't the only factor in how much water is available to it. These major urban areas show how dire the coming global freshwater shortage could get.
Science Trick - Coloured Water Density Trick - Science Sparks
1. Fill both glasses with water, right up to the brim. 2. Add food coloring and salt to one glass. I didn’t measure the salt, but added a generous amount. 3. Place the card over the glass containing just water and carefully place it over the glass of colored water and salt. 4. Even more carefully remove the cardboard.
10 Science Experiments for Kids to Learn about Sun
10 science activities for kids to learn about the SUN: sun light, including invisible light, solar energy, how it is related to earth, … so many interesting topics, and so many fun project ideas, for kids from preschool to kindergarten to school age.