Discovery Education
Discovery Education: Lesson Plans Library K 5
This resource presents a lesson plan library which holds hundreds of lesson plans organized by grade level and subject area. Often rooted with an Internet research piece, each lesson plan contains specific objectives, procedures,...
Science Struck
Science Struck: 13 Real Life Examples of the Golden Ratio
Explains what the golden ratio is and its relationship to the Fibonacci sequence. Gives interesting examples of the golden ratio in plants, seashells, astronomy, weather, the human body, insects, DNA, and animals.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Ciencias, Geografia E Historia
These are interactive activities developed for the area of natural science.
CK-12 Foundation
Ck 12: Life Science for Middle School
This digital textbook covers core life science concepts and includes interactive features, real-world examples, and videos.