Squeeze the lever in and out to create enough power to make the light bulb illuminate. The see-through design clearly shows the working components.
Create the effect of a Tornado safely inside a standard drinks bottle using this device. Fascinating and captivating. Consists of a plastic collet with a centre hole. Requires drinks bottles.
Demonstrates very effectively how sunlight can be converted into energy. When light strikes the wings resting on the needle in the vacuum chamber, the black sides of the wings absorb more light than the white sides so the pressure on the black side is greater and the blades therefore turn. Comes complete with full explanatory notes. Great for explaining alternative forms of energy.
Pack of 100 white beads that will turn into all the colours of the rainbow when taken outdoors and exposed to ultraviolet light. Take them indoors and they go white again. Great for checking the effect of sun cream or the effect of sunglasses.
A pulley is a type of lever and can increase mechanical advantage and change the direction and speed of a wheel. This kit explains all, through simple experiments using the pulleys in the kit and water vessels that provide the force. The simplicity and neatness of the experiments will enthral and enlighten the user to the wonders of pulley power. Kit components: 10 pulley wheels 10 pulley blocks 10 pulley pins 10 pulley spacers 10 'S' hooks 2 cup hooks 1 length of nylon cord 2 x 500ml bottles Teacher's notes in a zip wallet
A pulley is a type of lever and can increase mechanical advantage and change the direction and speed of a wheel. This kit explains all, through simple experiments using the pulleys in the kit and water vessels that provide the force. The simplicity and neatness of the experiments will enthral and enlighten the user to the wonders of pulley power.
Kit components:
