DIY geodes science experiments - the results are amazing...Keep this one handy! Kids will love it!
FUN SCIENCE FOR KIDS: Oil & Water Experiment. Great for all ages!
Science Word Wall for Grades 3-4
How to Memorize the Periodic Table in a Week - with no flashcards, music, or courses!
Ocean Crafts and Treats - The Idea Room More
This tornado in a jar experiment is crazy simple, but it's SO COOL to watch! It takes less than five minutes to put together. Easiest science lesson ever!
A sperm has 37.5 MB of DNA info! One ejaculation transfers 15875 GB of data, equivalent to that held on 7500 laptops. 17 Things You Should Know About #DNA
... lot of board games: Periodic Table Battleship Game! You could do a similar game with maps or other charts- even multiplication tables!
Periodic table of elements notecards - a 62 page free printable from HomeschoolCreations.net
Learn how to make a breathing machine from the author of Maker Lab, Jack Challoner. This easy experiment uses household items to construct model lungs and show how some vital parts of the body work.