GIZMO:  Interactive math and science simulations for grades 3-12.

PROBLEMATTIC:  Create your own lessons and exams. Create and download PDFs; add formula charts; hosting by Problem-Attic; sharing through Google Classroom

CK-12:  Create digital classrooms, customize textbooks, and learn K-12 STEM concepts.

NEWSELA:  Latest Newsela Articles – Science & Math – Arts & Culture – Kids

LIVE SCIENCE: Get the latest science news and learn about scientific discoveries

PIGEONETOICS: Pigeonetics is an interactive computer game that teaches basic genetics. Students recombine parental chromosomes, make gametes, then randomly combine two gametes. Finally, they decode the resulting allele combinations to draw the traits of a pigeon offspring.

EVREYDAY MYSTERIES: Why is the ocean blue? How do fireworks work? Is a coconut a fruit, nut, or seed? Why do human joints make popping sounds? Is it true that no two snowflakes are alike? Can you really tell the temperature by listening to the chirp of a cricket?Everyday Mysteries—a column from the Library of Congress’s Science Reference Services—answers science-related questions about phenomena seen in daily life.