Solar System Lab Planet Sizes Colouring Page

Outline planets on a lab table from Mercury to Jupiter with blank name circles

Compare the planets by size with this lab-themed coloring page. A great way to introduce kids to the order and scale of our solar system.

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Colouring sheet themes

  • Science / Space and STEM / Solar System Lab
  • Space and Science

About this coloring

This coloring page turns a science lab table into a planet-size comparison activity. Eight outline planets are lined up from smallest to largest, starting with tiny Mercury and ending with giant Jupiter. Simple blank circles next to each planet let kids write or color in the names. It's a hands-on way for children to see how Earth fits among its neighbors and why Jupiter is the biggest. Perfect for classroom space units, homeschool STEM lessons, or rainy day science fun. The clean outlines make it easy for young artists to stay inside the lines while learning about our cosmic neighborhood.

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