Geography for kids ... facts to impress grandma and grandpa. It's easy to get "geography" mixed up with similar-sounding ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...