Includes index.

Simple science experiments : Shaving cream rain clouds ; Salty water egg float ; Water cycle in a bottle ; Liquid density tower ; Pick up an ice cube with salt and string ; Make butter in a jar ; Lava lamps ; Egg in a bottle ; Cookie phases of the moon ; Rising popcorn ; Walking water ; Dancing grapes ; Static spinning pencil ; Orange peel balloon pop ; Rainbow water ; Colored flowers ; Pour water down a string ; Magic pepper experiment ; Magic moving ball -- Achievable technology ideas : Crack the code scavenger hunt ; Paint your name in binary code ; Teach the robot challenge ; If-then dice grid game ; Camera nature walk -- Easy engineering challenges : Cup stacking with a rubber band and string ; Rolled-up paper and tape structures ; Wall pipe maze ; Cardboard and clothespin marble run ; Craft stick catapult ; Stackable chips ring challenge ; Apple tree challenge ; Floating ball experiment ; 3-D craft stick art ; Stomp and catch ; Pompom shooters ; Crepe paper ninja maze -- Accessible art projects : Drawing portraits on sheet protectors ; Pool noodle and toothpick creatures ; Rainbow paper ; Pencil twist optical illusion ; Craft stick color mixing -- No problem math activities : Paper towel roll pompom challenge ; Floating lids math facts ; Cream-filled cookie fractions ; The "Guess how man&" estimation challenge ; Counting in nature ; Dice math facts ; Mirror geometric art ; Fraction animals ; Math war card game ; Sorting coins -- Toddler STEAM play ideas : Playdough maze ; Stacking cups ; Sticky note mystery box ; Pasta towers ; Sink or float ; Craft stick puzzle ; Cereal box puzzle ; Bend the water ; Shaving cream color mixing ; Reverse drawing ; Is it magnetic? -- Seasonal STEAM activities, Spring/Easter : Raised-salt painting ; Standing egg experiment ; Walking paper wheel ; Bubble snakes ; Dragon eggs -- [Seasonal STEAM activities], Summer/outdoor : Pool noodle obstacle course ; Pool noodle and shaving cream building ; Standard pool noodle game ; Water balloon painting ; Giant bubbles -- [Seasonal STEAM activities], Fall/Halloween : Candy corn stacking challenge ; Monster slime ; Erupting pumpkins ; Balloon monsters ; Crayon resist leaf prints -- [Seasonal STEAM activities], Winter/holiday : Snow volcano ; Watercolor snowflakes ; Marshmallow igloo ; Spray paint snow ; Multi-colored snow globes ; Instant fog ; Candy snowflakes -- Sensory STEAM ideas : Googly eyes sensory bag ; slime bubbles ; 2-ingredient soap putty ; Nature sensory walk ; Calm down building block sensory bottle ; Blind taste testing ; Name the object with your foot ; Playdough creatures ; Swirling candy colors (oobleck) ; Hand bubbles.