Science Fenns / For grown-ups
For teachers and helpers. Adult supervised. Not for student screens.Teacher Activity Cards
One card, one lesson. Put it on the board, bring your class, and our older science students run it with you.
How it works
- Pick a card and read Before class.
- Gather the materials. Each card lists amounts for 15 students.
- Open the card on the board with Show on the board.
- Bring the class. Helpers lead each group of three.
Every card has
- What to prepare and what to buy
- A minute by minute plan
- A helper guide for older students
- Questions, the science, and fixes
Support games
Calm practice games for students who need a little extra support. Memory, focus and beginning reading. No timers and no lost lives.
- Activity 01 · Action and ReactionBalloon RocketWhat makes a balloon rocket zoom down a string?30 min · 15 students
- Activity 02 · RefractionBending Light with a PencilWhy does a pencil look broken when it sits in water?30 min · 15 students
- Activity 03 · Plant TransportCelery Color ClimbHow does colored water climb up a celery stalk?30 min · 15 students
- Activity 04 · Freezing PointIce Fishing with SaltHow can a pinch of salt help a string pick up an ice cube?30 min · 15 students
- Activity 05 · PolymersLeak-Proof BagWhy does a bag of water not leak when a sharp pencil goes through it?30 min · 15 students
- Activity 06 · MagnetismMake a CompassHow can a tiny needle find north?30 min · 15 students
- Activity 07 · ChromatographyMarker Color ClimbHow can water pull the colors out of a marker?30 min · 15 students
- Activity 08 · Non-Newtonian FluidOobleck: Solid or Liquid?Can something be a solid and a liquid at the same time?35 min · 15 students
- Activity 09 · BuoyancyOrange: Sink or Float?Why does an orange float in its peel and sink without it?30 min · 15 students
- Activity 10 · EngineeringPaper Bridge ChallengeHow can the same sheet of paper hold more weight.30 min · 15 students
- Activity 11 · EngineeringPaper Cup TowerWhy does a wide base keep a tower standing?30 min · 15 students
- Activity 12 · Air ResistancePaper HelicopterWhy does a paper helicopter spin as it falls?30 min · 15 students
- Activity 13 · AbsorptionPaper Towel Absorbency RaceWhich paper towel holds the most water?30 min · 15 students
- Activity 14 · Light and ShadowShadow TrackerHow does a shadow change as the Sun seems to move across the sky?30 min · 15 students
- Activity 15 · Sound VibrationsSinging HangerHow can a metal hanger send sound through a string to your ears?30 min · 15 students
- Activity 16 · DensitySink or Float?Why do some things float and other things sink?30 min · 15 students
- Activity 17 · Static ElectricityStatic ButterflyHow can a charged balloon lift a tissue paper butterfly without touching it?30 min · 15 students
- Activity 18 · Sound VibrationsString TelephoneHow can a whisper travel along a string?30 min · 15 students
- Activity 19 · MagnetsMagnet MysteryWhat do magnets stick to and what do they ignore?30 min · 15 students
- Activity 20 · Forces and MotionRamp RacersDoes a taller ramp make a car roll farther?30 min · 15 students
- Activity 21 · FlightPaper Airplane Test FlightCan one small change make a paper airplane fly farther?30 min · 15 students
- Activity 22 · BuoyancyFoil Boat ChallengeHow many washers can a foil boat hold before it sinks?30 min · 15 students
- Activity 23 · Sound and VibrationRubber Band GuitarWhy do thick bands and thin bands sound different?30 min · 15 students
- Activity 24 · Sound and PitchWater XylophoneHow does the amount of water in a cup change its sound?30 min · 15 students
- Activity 25 · Chain ReactionsDomino Chain ReactionHow does one small push travel down a whole line of dominoes?30 min · 15 students
- Activity 26 · Engineering DesignNewspaper TowerHow tall a tower can you build from newspaper and tape that stands on its own?33 min · 15 students
- Activity 27 · Color MixingColor Wheel SpinnerWhat color do you see when red, yellow and blue spin together?30 min · 15 students
- Activity 28 · Capillary ActionRainbow Walking WaterHow can water climb out of one cup and walk into another?30 min · 15 students
- Activity 29 · Surface TensionFloating Paper ClipHow can a metal paper clip float on water?30 min · 15 students
- Activity 30 · InsulationIce Cube Insulation RaceWhich wrap keeps an ice cube frozen the longest?33 min · 15 students
- Activity 31 · Day and NightDay and Night GlobeWhy is it day in one place and night in another?30 min · 15 students
- Activity 32 · Moon PhasesMoon Phase DanceWhy does the Moon change shape in the sky?30 min · 15 students
- Activity 33 · Rock PropertiesRock DetectivesHow can we tell one rock from another?32 min · 15 students
- Activity 34 · Water CycleWater Cycle in a BagCan a little water in a sealed bag make its own rain?30 min · 15 students
- Activity 35 · Seed GerminationSeeds in a BagWhat does a seed need to wake up and start to grow?30 min · 15 students
- Activity 36 · Heart and ExerciseHeartbeat ListenerWhat happens to your heartbeat when your body moves?30 min · 15 students
