sciencefunkids - ScienceFunKids

Build a simple Electric Generator

Generators are the devices that convert kinetic energy into electricity. The operation of the generators is based on the induction phenomenon, according to which, if a magnetic field moves close to a conductor an electric current will flow in the conductor. Materials: 2 rubber ringstest tubeLED lightpowerful magnetscopper wire Procedure: Place the magnet and the…

Mixing Colors Experiment

Procedure: What color do you see when you throw at the same time on a white surface: Green and red light Green and blue light Blue and red light Green, blue and red light Explanation: White light consists of radiations corresponding to each color such as red, orange, yellow, green, blue, indigo and violet .…

Moving Images experiment

Procedure: Draw on a piece of paper a cage and next to it a parrot. Stick the back of the rafts together and rest them on a straw. Spin the straw with your palms and watch the parrot in the cage!! Explanation: Our eyes maintain the impression of an image for 1/10 of a second.…

Liquid Density Experiment

Materials: Olive oilAlcoholRed wineGlycerin Procedure: Pour the liquids inside a glass. Notice that the liquids with the highest density sink while the liquids with the lowest density float. Your layer density tower is ready!!

Make a lemon battery

A battery is a device that stores chemical energy and converts it to electrical energy through chemical reactions. Materials: Four lemonsFour zinc nailsFour copper coinsFive crocodile wires and led Procedure: Place the coins and the nails on each of the four lemons as shown in the top images. Connect the nail on one lemon to the…

Build a Simple Electromagnet

An electromagnet is the magnet in which the magnetic field is produced by an electric current. Electromagnet consists of a coil wrapped with a wire. The current through the wire turns the coil into a magnet. Materials: 30 cm copper wireA long nailBattery 4.5 VoltPaperclips Procedure: Wrap the wire several times around the nail. Scrape the…

Build a simple electric motor

Electric motors are the devices that convert electrical energy into mechanical energy. Materials: Battery 1.5Volt2 circular magnetsInsulated copper wire Procedure: Place the two magnets on the negative pole of the battery. Shape the wire as it is shown in the image and place it on the positive pole of the battery. The two ends of the…

Disappearing Glass Experiment

Materials: glass sunflower oil glass rod Procedure: Fill a small glass with sunflower oil. Dip a glass rod into the sunflower oil. Notice that the rod has disappeared! Explanation: Light travels with the same speed in glass and in oil. When the light comes on the rod it will continue its straight spread, without refraction,…

Rocket Balloon

Rockets lift off and their detachment from the ground is due to the fact that the rocket expels fuels backwards, while at the same time air pushes rockets forward. Materials: Rope Straw Sellotape Balloon Procedure: Pass the rope through the straw. Stretch the rope and fasten one end to the wall. Place the balloon along…

Self Inflating Balloon

Materials: Vinegar Small bottle Baking soda balloon Procedure: Put two fingers of vinegar in the bottle. Place a teaspoon baking soda in the balloon. Fasten the balloon to the mouth of the bottle and turn the balloon over. Watch the balloon inflate!! Explanation: When baking soda (carbonate) comes into contact with vinegar (acid) they react…