How can knowing about different size scales help you learn science?

Science often jumps from the very tiny to the very huge. Understanding sizes helps you connect ideas from atoms to planets smoothly.

Watch videos or use apps that zoom from small things to big things to get a sense of scale.

What else is in this exploration

5 evidence blocks4 perspectives4 visualizations11 media resources13 rabbit holes

evidence

Atoms are incredibly small, about one ten-billionth of a meter across.

evidence

The observable universe is about 93 billion light-years wide.

evidence

The Earth is about 12,742 kilometers (7,918 miles) wide.