A molecule is a group of atoms bonded together. Molecules make up nearly everything around you – your skin, your chair, even your food. They vary in size, but are extremely small. You can’t see an ...

Curious Kids is a series for children of all ages, where The Conversation asks experts to answer questions from kids. All questions are welcome: find out how to enter at the bottom of this article.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...