The Wonder of Science
The Wonder of Science: 5 Ps1 1: Particle Model of Matter
A collection of work samples, phenomena, assessment templates and videos that help teachers create lessons to show that matter is made up of small particles. Through these materials students will see that matter is too small to be seen.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Matter, Mass, and Volume
This learning module discusses the definition of matter and what mass and volume measure. Module includes pictures, videos, and review questions.