How to make AC generator “Permanent magnet alternator” from old Hard disk drive magnets: Urdu video tutorial about making of AC generator (PMA Permanent magnet alternator) using old Hard disk drive magnets. This generator produce 12 volt and 0.5 amp at around 1000 rpm and can be used for charging mobile and other devices. What…
Mass change in chemical reaction Activity 1 Iron gains mass when it burns Apparatus & Materials Steel Wool Spirit Lamp Match Box Tweezers Construction Make two balls of steel wool of almost same sizes. Put the iron balls in the dishes and balance them. Take one steel wool ball from the balance. Ignite the spirit…
Does Hot air Rises (Video Experiment Urdu) In this video Aimen Rasheed will show you with experiment. The experiment can be performed by above 5-grade students under adult supervision. Material required Candles, Paper, round ice sticks pins, matchbox Watch video: Explanation: Why does hot air rise? A given amount (mass) of air takes up more…
Invisible Glass Stirrer Experiment Material Glass stirrer Beaker Glycerine Procedure Pour Glycerine into the Beaker and then immerse the Glass stirrer the Beaker. What Happens The Glass stirrer looks like a ghost like object in the container, almost invisible. Explanation The real secret behind this science experiment is the index of refraction. When light travels…
How to make Tesla Coil How to make Tesla Coil. Simple solid state Tesla coil also called slayer exciter circuit (A Slayer Exciter is an air-cored transformer that steps up a very low DC voltage to a very high AC voltage) Its is a simplest Tesla Coil and class 8th to above students can build…
Which colors absorb more sunlight than others? Science Fair Projects for kids Grade Levels: K-3 Question: Do some colors absorb more sunlight than others? Possible Hypotheses: All colors absorb the same amount of sunlight. Some colors absorb more sunlight than others. Materials: Four tall clear glasses Water Food coloring Immersion thermometer Procedure: Fill the glasses…
Thermal Energy Put to Work Grade Levels: 7-9 Question: Can thermal energy be made to do useful work? Possible Hypotheses: Thermal energy is/not useful energy that can be used for work. Materials: Plastic 1-liter bottle Large balloon Bowl of hot (not boiling) water Bowl of ice water Small rock Procedure: 1. Cool the balloon and…
Solar Cooker Science Fair Project Research project for kids Grade Levels: 7-9 Question: Which natural material works best to insulate a homemade slow cooker: paper, cloth, or hay? Possible Hypothesis: The best insulator for a slow cooker is paper/cloth/hay. Materials: 3 cardboard boxes of equal size (large enough to hold pan and insulating material) 3…
Science Fair Research Project Grade Levels: 7-9 Does adding salt to water lower its freezing point? Frozen Salt Question: Does adding salt to water lower its freezing point? Possible Hypothesis: Adding salt does/does not lower the freezing point of water. Materials: Four 8-ounce plastic cups Measuring cup Box of table salt (sodium chloride) Freezer Thermometer…
Learn something about how gases react when they are heated – extra points to anyone who can work out how to get the egg out (intact)! Material An egg (hard-boiled) A bottle (neck only a little bit smaller than egg) Newspaper or tea-lights Matches Method Firstly, make sure your egg is hard-boiled as doing this…
Fun Science: Surprising saucers Ages: 4 to 8. Ingredients: Shallow dish, water, spices such as pepper or cinnamon, dish washing liquid. Experiment: Fill a saucer with water. Add pepper, watch how it floats on the surface. Then, add one drop of dish soap, and watch the pepper run to all sides and the water spill…
How to make an ant colony or Make an Ant Farm (Formicarium) How to Make an Ant Farm: An ant farm also called formicarium its a container which is designed primarily for the study of ant colonies and how ants behave. In this project you can build your own an ant farm for your…