Texas Education Agency
Texas Gateway: Effects of Force
Explore the effects of forces around us in the world.
Read Works
Read Works: The Science of Fun!
[Free Registration/Login Required] An informational text about the science behind circus acts. A question sheet is available to help students build skills in reading comprehension.
CK-12 Foundation
Ck 12: Third Grade Science
This customizable digital textbook covers topics related to third-grade science. It is Next Generation Science Standards (NGSS) aligned.
Khan Academy
Khan Academy: What Is Newton's First Law?
Newton's First Law also called the law of inertia is the most important thing to realize about motion. This article offers more information on motion and explains solved problems involving Newton's First Law. Also included is a video...
My Science Site
Forces and Motion [Pdf]
This resource provides reproducibles that aide in student learning of force and motion. Also offers hands-on and cooperative learning activity ideas as well as an ESL/ELD activity. This resource is in PDF form; requires Adobe Reader.
Physics4kids
Physics 4 Kids: Motion/mechanics Overview Quiz
Take this ten question multiple choice quiz on motion and mechanics.