Search educational resources
Try It Free
Search reviewed educational resources by keyword, subject, grade, type, and more
Curriculum Manager (My Resources)
Manage saved and uploaded resources and folders
To Access the Curriculum Manager
Browse Resource Directory
Browse educational resources by subject and topic
Explore curriculum resources by date
Lesson Planning Articles
Timely and inspiring teaching ideas that you can apply in your classroom
Save time lesson planning by exploring our library of educator reviews to over 550,000 open educational resources (OER).
An all-in-one learning object repository and curriculum management platform that combines Lesson Planet’s library of educator-reviews to open educational resources with district materials and district-licensed publisher content.
Frequently Asked Questions
Your school or district can sign up for Lesson Planet — with no cost to teachers
Try It Free
Get access to over
curated educational videos and
reviews to free and open educational resources.
Start Your 10-Day Free Trial
3rd - 5th
Students are introduction to the cause and effect of a chemical reaction between water, mucilage glue, and magnesium sulfate as they form crystals.
Get Free Access