a thread-like body or filament many times longer than its diameter. Paper pulps are composed of fibers, usually of vegetable origin, but sometimes animal, mineral, or synthetic, for special types of papers.
MAKE LEARNING FUN
Get our educational materials and professional development by participating in an in-person workshop or an online course.
Get information relevant to your state, plus local assistance and connections to resources and professionals in your community.
Get a wealth of up-to-date resources, support, and ideas from teachers and other educators.
SUBSCRIBE TO OUR NEWSLETTER, The Branch
Sign up for our monthly e-newsletter for free tools and resources, new lesson plans, professional development and grant opportunities, and tips from educators for teaching about the environment.