Where Does Sand Come From and More Viewer Questions Answered! | SciShow Kids

The video answers questions about science, starting with how sand is formed from rocks through erosion by wind and water. It then explains coding, describing how computers use special instructions written in code to perform tasks. Finally, it explores whether butterflies sleep, noting that scientists are still researching insect sleep patterns.

Do butterflies sleep?

What signs do scientists look for to determine if insects are sleeping?

How do scientists study the sleep patterns of insects?