100 creative math activities for toddlers, preschool, and school age kids. Hands-on, multi-sensory ideas, organised by topic and theme. (Not sure they are all early math.
10 Easy Science Activities for Kids - Buggy and Buddy
9 FUN outdoor math activities for kids - so many great learning activities for preschool and kindergarten age kids for summer Frugal Summer Activities, Summer Kids Activities
STEM Activities and science experiments for young kids and parents to enjoy. Awesome, easy water science, slimes, eruptions, and more! For Luke as he grows!
Lean about what dirt is made of by creating sediment jars. This easy science project goes well with the book Dirt: The Scoop on Soil.
Human Body Kids Activities for fun Hands on Science activities for preschool, kindergarten, elementary kids, and homeschoolers.
FREE Science Game: Periodic Table Battleship - What a fun way for elementary age kids to become familiar with the periodic table in school or homeschool.
Surprising parent/child activity: create a map of your child's imaginary world. I am in love with this post! Or include elements from a camping adventure.
STEM activity: coding for kids
22 Outdoor Science Experiments and Activities - take science outside with these fun ideas!
Geo-Literacy Global Interconnectedness- Kid World Citizen
Planet Smarty Pants - 12 Amazing Engineering Projects for Kids for Mace
Project-based engineering for kids. Rubberband Helicopters: step-by-step
Crain's Petrophysical Handbook - Earth Structure And Plate Tectonics