121 Science Experiments
121 Science Experiments – is a storehouse of various science projects and experiments for Physics, Chemistry and Biology.🧪
Hot Air (Science Expirements)
Materials Required:l A cold winter dayl Door to your housel 10 Rupee currency note Instruction:You have probable heard a good deal about conserving energy. Here is a simple test you can perform to see if you and your family are energy savers! On a cold winter day, stand inside your house and face an outside …
The Big Bang (Science Experiments)
Materials Required:l Round balloonl Scissorsl Newspaperl Matchesl Glass jar with a narrow mouthThe help of one of your parents Procedure: Cut off the top half of a round balloon and discard it. You will be left with a solid piece of rubber. Fold a piece of newspaper to approximately 3 by 5 inches. Ask one …
Balloon Power
Materials Required:l 2 tea cupsl Round balloon Procedure: Place two tea cups–ask your parents which ones you can use–on a table, about 5 inches apart. Place the deflated balloon between the two cups and blow air into it until the sides of the balloon are touching the sides of the tea cups. Then knot the …
Upside-Down “U” (Science Experiments)
Materials Required:l 2 jarsl Waterl Box, 1 foot highl Flexible (rubber or plastic) tubing Procedure: Fill one jar completely with water and set it on top of the box. Place the empty jar on the ground beneath the full jar. Cut a piece of rubber or plastic tubing long enough to reach between the two …
Rock And Roll Ice Cube (Science Experiments)
Materials Required:l Bowll Waterl Ice cube Procedure: Fill a bowl with warm tap water and set the bowl on a firm surface, such as a counter top. Gently place an ice cube in the water and let it come to rest. Do not touch the experiment now; just watch it closely. The ice cube will …
Sink Or Swim (Science Experiments)
Materials Required:l Newspaperl Scissorsl 2 drinking glassesl Waterl Dishwashing liquidl Spoon Procedure: Cut two paper dolls from newspaper. The size of the figures should be small enough to fit easily into the glasses. Now fill two drinking glasses with tap water. Place several drops of dishwashing liquid into one of the glasses and stir with …
Force Of Push (Science Experiments)
Materials Required:l Paill Waterl Lightweight plastic box (like the kind that berries are sold in) with holes in the bottom Procedure: Fill a pail, or any deep container, with water. Make sure the berry box is dry, then gently set it on top of the water surface. Even though the box has large holes in …
Let’s Stick Together(Science Experiments)
Materials Required:l Large can, such as a coffee or juice canl Hammerl Naill WaterThe help of one of your parents Procedure: Ask one of your parents to punch 5 holes into a large can, using a hammer and nail. The holes should be placed on the side of the can, near the bottom, and spaced …
Bubble Machine (Science Experiments)
Materials Required:l Large bowll Waterl 4 to 5 tablespoons dishwashing liquidl Scissorsl Paper cup Procedure:Here’s something fun to do outside on a lazy summer day. Fill a bowl with about one and quarter liter of water, then add 4 or 5 tablespoons of dishwashing liquid. Stir the water slowly, but do not beat it. You …
Taste Test (Science Experiments)
Materials Required:l Saucepanl Tap waterl GlassThe help of one of your parents Procedure: Fill a saucepan with tap water. Ask one of your parents to boil the water gently for a few minutes. Then leave the pan undisturbed with its cover on until the water is cool. Now pour some of the water into a …
Stormy Seas Ahead (Science Experiments)
Materials Required:l Tall jarl Waterl Blue food colouringl Cooking oilProcedure: Save one of the tall jars that olives or cucumber pickle come in. Fill it halfway with water, then add a drop of blue food colouring. Fill the rest of the jar, right up to the top, with cooking oil, being sure not to leave …
Water-proof Matches (Science Experiments)
Materials Required:l Clear nail polishl Wooden matchesl Styrofoam egg cartonThe help of one of your parents Procedure:If you’ve ever been on a rainy camping trip and found yourself with soggy matches, here’s a good way to water-proof them. Buy some clear nail polish. With the applicator brush that comes in the bottle, paint the striking …
Rings Of Smoke (Science Experiments)
Materials Required:l A cold winter dayl Door to your housel 10 Rupee currency note Procedure:You have probably heard a good deal about conserving energy. Here is a simple test you can perform to see if you and your family are energy savers! On a cold winter day, stand inside your house and face an outside …
Gliding Paper (Science Experiments)
Materials Required:l Sheet of typing paper Procedure: Hold an 8½ – by 11-inch sheet of typing paper high above your head. Use both hands to grasp the paper. Let go. The paper will scoot in various directions and probably turn over. Now make two folds in the long side of the paper, first, 1 inch …
Magic Paper (Science Experiments)
Materials Required:l Sheet of paper Procedure:Do you know a fast way to stick a piece of paper to your hand without using any glue or tape? Would you believe that air will do the job? Well, it will! Just follow the steps below. Hold your arm straight at your side. Turn your hand so that …
Thick Skin (Science Experiments)
Materials Required:l Bathtubl Waterl SoapYourself Procedure: The next time you take a bath, scrub yourself clean with soap, then soak in the tub for at least fifteen minutes, with some bubble bath, if you like! After you step from the water and dry yourself off, check your fingertips and the bottoms of your feet. Do …
Don’t Cry Baby (Science Experiments)
Materials Required:l Onionl Cutting boardl KnifeThe help of one of your parents Procedure: Set a small onion on a cutting board or plate. Ask one of your parents to slice the onion in half with a sharp knife. Hold the cut onion next to your nose and take a little sniff. You will begin to …
Spicy Wrist (Science Experiments)
Materials Required:l 1 tablespoon dried hot peppersl ¼ cup hot tap waterl Cotton swab Procedure: Mix the hot peppers in the hot tap water. Let the mixture soak for about twenty minutes. Next, dip a cotton swab in the water, then shake off any excess water. Touch the tip of the swab to your tongue. …
Weight Loss (Science Experiments)
Materials Required:l Bathroom scalel Paper and pencilA hot summer day Procedure: On a hot summer day, weigh yourself on the bathroom scale. Write down your weight on a piece of paper. Now go outside and play—ride your bicycle, play baseball, run. If you get thirsty do not come inside for a drink. Continue your play …
Food Energy (Science Experiments)
Materials Required:l Outdoor thermometerA cold day Procedure: Dress properly and go outside on a cold day. Hold a thermometer in the air for a few minutes and when the mercury has settled, notice what the air temperature is. Next, slide the thermometer up your sleeve so that it rests against your skin. Again, wait a …
Hot And Cold (Science Experiments)
Materials Required:l 3 bowlsl Water Procedure: Fill 3 bowls with tap water as follows: one with cold water, one with lukewarm water, and one with hot water—but not hot enough to burn. Place the bowls on a table or counter, with the lukewarm water between the other two. Place one hand in the cold water …
X-ray Vision (Science Experiments)
Materials Required:l Paper towel tubel Matchbook Procedure:To discover a power that you are probably not aware of, try this easy experiment. Did you know that your eyes can pierce solid objects? Hold an empty paper towel tube in front of one eye. Hold a matchbook in front of the other eye, with the cardboard touching …
Gaze Into My Eyes (Science Experiments)
Materials Required:l 10 sheets of typing paperl Rubber bandl This bookl Mirror Procedure: Roll the 10 sheets of typing paper into a hollow tube. Slip a rubber band over the roll to hold it in place. Hold the tube against some words on this page and look into the cylinder. Your face should be pressed …
Heart Beats (Science Experiments)
Materials Required:l Wooden matchl Thumbtack, with a wide, flat surface Procedure:You can feel your heart beating, but did you know that you can also see it beating? All it takes is a simple device, which you can make in a few minutes. Press a wooden match onto the point of the thumbtack. Set your device …
Head Control (Science Experiments)
Materials Required:l ChairA friend Procedure: Ask a friend to relax in a chair. He should fold his arms and stretch his feet as far forward as possible. Tell him to lean far back so that his head faces upward. Now press a fingertip onto his forehead and challenge him to get up from the chair …
Fingerprints(Science Experiments)
Materials Required:l Soft-lead pencil, such as a No. 2 pencill 2 sheets of paperl Transparent tapeYour finger Procedure: Hold the pencil on its side and rub the lead on a sheet of paper. Continue rubbing the same spot over and over until it is covered with a heavy black coating. Now, press your index finger …
The Nose Knows (Science Experiments)
Materials Required:l Asparagusl BathroomYourself Procedure: The next time you have asparagus for dinner, note its distinctive odour and taste, and eat a generous helping. When you go to the bathroom the next morning, do you notice the same asparagus smell? Why does this happen when other foods that you eat do not produce their own …
Muscular Squeeze (Science Experiments)
Materials Required: l 2 cherry cough dropsl 2 small jars, such as baby food jars, with lidsl Water Procedure: Place a cough drop in each small jar, then fill each about halfway full with water. Screw the lids on tightly. Gently shake 1 jar by turning it upside down and then right-side up, over and …
Double Taste (Science Experiments)
Materials Required:l Unsweetened cracker Procedure: Place an unsweetened cracker in your mouth. Chew it thoroughly, but don’t swallow it. Continue to chew without swallowing for several minutes. Does the cracker now taste sweet? This Is What Happens:The moisture in your mouth is called saliva. Saliva contains chemicals that start to break down the food before …
