Biology

Cresol red- CO2 utilisation by plants

Chemistry

Movement/diffusion of ions

Chemistry

Neutralisation Circles

Chemistry

periodic table cylinder

Chemistry

Iron extraction on match head

Chemistry

Electroplating

Chemistry

Rainbow fizz

Chemistry

Electrochemical cell

Chemistry

Puzzles for ionic and covalent bond

Chemistry

Rusting investigation

Chemistry

Lava Lamp

Maths

No Thanks

Maths

Shakuni ke paase

Maths

Inside Out Cube

Maths

Perfect Squares

Maths

Kaleidoscope ( Dodecahedron)

Maths

Kaleidoscope ( Icosahedron)

Maths

up it up

Maths

Magical Line

Maths

Cylinders impression on Sand

Maths

Genaille-Lucas Rulers (multiplication)

Physics

Lung Capacity

Physics

Coloured Shadows

Physics

Ames Room

Physics

Hand Pump (valves)

Physics

Vertical Pen Stand

Physics

CD Whistle

Physics

Nut Spinner

Physics

Cartesian Diver

Physics

Air powered car

Physics

Charkha Generator

Physics

Motor Generator (Red/Green LED)

Physics

Balancing Bird

Physics

Pipe/syringe Generator

Physics

Siphon (M,V)

Physics

Mechanical frog

Physics

Syringe machine 3 syringes 1 small vs 2 big

Biology

Photosynthesis-leaf disk assay

Chemistry

Make biodegradable plastic

Chemistry

Electrolysis

Chemistry

KMnO4 thermal decomposition

Chemistry

Chem Cho Periodic table card game

Chemistry

Rainbow Flames

Chemistry

Single Displacement Reaction

Chemistry

Precipitation Art

Chemistry

is your toothpaste basic?

Chemistry

Daniell cell

Chemistry

Indicator Droplet Art

Maths

Sine Wave Car

Maths

Roll to the top sheets and dice

Maths

A4 Ratios

Maths

Napier Bones

Maths

Pentomino Calendar

Maths

Einstein's Clock

Maths

Squaring the square

Maths

Angle Trisector (Hathoda)

Maths

Handshake Puzzle

Maths

Triangular Wave Car

Physics

Tippe Top

Physics

Antigravity Funnel

Physics

Pencil Spinner

Physics

Straw wave model

Physics

Swing Ball

Physics

DC Motor

Physics

3 in1 (sound, spray, sprinkler)

Physics

Sparrow Whistle

Physics

Levitating Pen

Physics

Laser Star

Physics

DIY Speaker

Physics

Pinhole Camera

Physics

Camera with convex lens

Physics

Bead Microscope

Physics

Periscope

Chemistry

KMnO4 Chameleon

Chemistry

Electrolytic Writing

Chemistry

Double Displacement (Liquid gold)

Chemistry

Diffusion of gas

Chemistry

Rusting prevention

Chemistry

Detecting starch

Chemistry

Neutralisation reaction

Chemistry

Make your own acid base indicator

Chemistry

Coin Battery/Voltaic Pile

Chemistry

Paper spin chromatography

Maths

Angle Trisector (Carpenter Square)

Maths

Braid kit

Maths

Anamorphic Cylinder

Maths

Genaille-Lucas Rulers (division)

Maths

A0 paper

Maths

Curve Stitching

Maths

Golumb Ruler

Maths

Digit Party

Maths

Sum of Squares

Maths

1000 year Calendar

Maths

3D Shapes

Physics

Mechanical Hula Hoop (spinning paper ring on ball)

Physics

Smoking Kills 1 (valves)

Physics

Fidget Spinner Gyroscope

Physics

Cross-Slit Pinhole Camera

Physics

Centripetal Dustbin

Physics

Vasudev ka Pyala (siphon)

Physics

Eddy Current Pipes and falling magnet

Physics

PVC Bugle

Physics

Bottle Tornado

Physics

Slide Whistle

Physics

Syringe machine 2 syringes 1 small vs 1 big

Physics

Homopolar Motor

Physics

Thermometer

Physics

Referee Whistle

Physics

Siren