Why does a baking soda and vinegar volcano erupt? That's what happens when you mix and an acid and a base. But just what are acids and bases? What makes them so different? Learn the answers… More →
540 - Chemistry
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A flickering flame and the smoke curling from a burnt out candle have a lot in common. They are both signs of a chemical reaction. Learn all about the reactions from the smallest atomic… More →
Fall 2023
Los minerales (Minerals)
In Minerals, beginning readers are introduced to Earth's minerals, where they can be found, and how people use them in everyday life. Vibrant, full-color photos and carefully leveled text… More →
Metals and nonmetals make up almost everything in our world. They represent the two biggest sections on the periodic table of elements. But what exactly makes a metal? How are nonmetals… More →
With elements all around, how can students--or even scientists--keep them straight? That's where the periodic table comes into play. Learn all about the way the table is organized, the… More →