Lesson Plan
Curated OER

Make Your Own Quick Sand

For Teachers 4th - 8th
Students create a quick sand model using cornflour and water. In this earth science lesson plan, students explain why stirring the mixture quickly makes it thick but the opposite happens when you stir it slowly.
Lesson Plan
Curated OER

Why Do We Have Night?

For Teachers 2nd - 4th
Students engage in a fun, creative way to discover how the Earth moves. This lesson helps students explain why there is day and night. It can also create curiosity to further study the solar system and eclipses!