Imagine trying to count every oxygen molecule inside a balloon. You could not see the molecules, and there would be far too many to count one by one. Chemists solve this problem by using a special counting unit called the mole. A mole lets scientists connect the invisible world of atoms and molecules with amounts … Read more
On a freezing winter morning, a road can look perfectly normal until you notice the shiny layer of ice covering it. That thin sheet can make driving and walking dangerous. To solve the problem, road crews often spread something surprisingly ordinary across the surface: salt. Before long, some of the hard ice becomes wet and … Read more
We see plants growing tall and turning into the trees. However in order for the plants to grow, one of the essential requirements is water. But have you ever wondered how water travels from the ground all the way up to the leaves at the top of a tall plant or a tree? Plants don’t … Read more
Have you ever seen an old bicycle with reddish-brown spots? Or maybe a rusty iron gate after heavy rain? That reddish material is called corrosion. Corrosion forms when certain metals react with air and water over time. Let’s explore why some metals corrode and why others do not! What Is Corrosion? Corrosion is the slow … Read more