Oops we couldn't find that mini-lesson - here's the current one instead.
Get a free trial until June 30, 2026!
New members get access to our science units, hands-on activities, mini-lessons, & more!

New members get a free trial through June 2026!
Back

Mini-lessons

Video Vote

We pulled three questions from our jar. Which question do you want to explore?

Illustration of a glass jar with a 'questionmark' label

  • Why don't shadows have color?

    -Connor, Kindergarten

  • Why do clouds come in different shapes?

    -Yutika, 5th Grade

  • How do boats float?

    -Arlo, 3rd Grade

Is the video not playing properly?

Please follow these steps:

  1. Very rarely a video will fail to completely load in your browser. Try to reload this page to see if that fixes the problem.
  2. If reloading does not help, try our other video player .
  3. If the video still fails to play, open this video in a new tab and please let us know you’re having trouble. We want to fix this issue for you.