Atal Tinkering Labs ATL

   
19 Dec
0

Extinguish Fire with Carbon Dioxide experiment

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HOW THE CANDLE EXPERIMENT WORKS When you mix baking soda and vinegar together, you produce carbon dioxide. The carbon dioxide is heavier than air, so it will sit in the bottom of the glass. When you pour the gas from glass onto the candle, you are pouring out the carbon dioxide, which will sink and displace the (oxygen-containing) air surrounding the candle with carbon dioxide.   HOW BLOWING OUT A CANDLE WORKS When you blow out a candle, your breath contains more carbon dioxide than it did when you inhaled the air, but there’s still oxygen that can support wax…

19 Dec
0

Orange Candle Experiment

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There are two parts that work together in a candle: the fuel, made of some sort of wax, and the wick, made of some sort of absorbent twine. In the case of our orange, the olive oil is the wax and the wick is the central column, which supports the walls between each segment.   When you light a candle, you melt the wax in and near the wick. The wick absorbs the liquid wax and pulls it upward. The heat of the flame vaporizes the wax, and it is the wax-vapor that burns. The reason the wick does not…

19 Dec
0

Do White Candles Burn Faster then Color Candles?

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Ends up color candles burn faster for me. Test it for yourself and let me know what results are?   Have you ever wondered, do white candles burn faster than colored candles? It seems that just about every element of a candle can affect how fast they burn, so it’s no wonder that people are curious about the addition of candle dyes and colors.   Theory Most people seem to think that plain white candles will burn faster than those with added dyes. The reasoning behind this theory is that the plain wax is more pure, and will give a…

19 Dec
0

Rocking Candle Experiment

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Safety: Make sure you have adult supervision as you will be lighting both ends of the candle.   This experiment teaches how combustion and Newton’s Third Law of Motion. A candle, balanced between a pair of glasses, rocks or up and down on its own.   Carve the bottom part of the candle so the wick is showing. Make sure that the bottom end had more wax than the top. Then make a hole in the candle half way in the middle. The hole has to be big enough for a nail (or pin) to fit in. Place the nail…

19 Dec
0

1000 Subscriber Special Steel Wool Science experiment

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Science of steel wool photography, “The 9 volt battery is used to ignite the steel wool. Essentially it sends a current through the thin wire and it heats up, well under statement a LOT … to about 700 degrees celsius. These insane temperatures cause the iron to react with oxygen in the air creating iron oxide. This reaction releases heat, which heats up the next strand and so on, causing a cascading reaction across the steel wool. When you’re doing this remember the science.”   The chemical reaction requires oxygen. So fluffing it up and spinning it., increases the amount…

19 Dec
0

Fireproof Balloon Science Experiment

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Balloons can pop rather easy. You know that they must be kept away from sharp objects and away from flames. Fire will weaken the rubber and will pop it.   However, in this experiment you will find out how you can hold a balloon directly in a flame without popping the balloon.   Light a candle and put the first balloon over the flame. Allow the flame to touch the balloon. What happens? The balloon pops, very quickly.   Light the candle again. Hold the second balloon directly above the balloon. Allow the flame to touch the balloon.   What…

19 Dec
0

Square Bubbles Experiment

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Bubbles are round because a sphere is the shape that is the most stable for them—a sphere is more stable than a square or a triangle or any other shape. But when a bubble is surrounded by other bubbles, these “side” bubbles push against the “center” bubble, squishing until it has corners and sides—like a square! That’s what happened to your bubble.  

19 Dec
0

PING PONG BALL PHYSICS TRICK Experiment

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Can you produce enough wind to blow a ping pong ball out of a funnel? It’s a Physics trick. See, the harder you blow, the harder it will be for the ball to leave the funnel, thanks to the Bernoulli Principle.   The way it works is the faster moving air creates less pressure. So when you blow through the funnel you create a current of fast moving air around the ball. That results in a low-pressure area below the ball that allows the higher pressure area above it to push the ball down and keep it from rising.  …

19 Dec
0

Genie in a Bottle Experiment

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Warning 30% hydrogen peroxide can burn your skin. Adult supervision required. The bottle will get very hot.   The genie in a bottle demonstration shows a decomposition reaction. A decomposition reaction is when a substance is broken up into two or more different substances. In this case, hydrogen peroxide, whose molecular formula is H202, is being broken down into oxygen and water. Hydrogen peroxide is easily decomposed by light and that is why they are sold in brown bottles in drugstores.   To speed up the reaction, the compound manganese dioxide is being used as the catalyst. A catalyst provides…

19 Dec
0

Bicycle Wheel Gyroscope – Wonders of Physics experiment

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A rotating bicycle wheel has angular momentum, which is a property involving the speed of rotation, the mass of the wheel, and how the mass is distributed. For example, most of a bicycle wheel’s mass is concentrated along the wheel’s rim, rather than at the center, and this causes a larger angular momentum at a given speed. Angular momentum is characterized by both size and direction.   The bicycle wheel, you, and the lazy susan form a system that obeys the principle of conservation of angular momentum. This means that any change in angular momentum within the system must be…

19 Dec
0

Jellybelly TASTE TEST – Find out if what you SEE influences what you taste.

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1) Divide the jelly belly into two groups (A & B). Each group should have one of each flavor. 2) Label paper with numbers 1-4 3) Place the jelly belly from group A on the paper. One jelly belly for each number 4) Put the jelly belly in from Group B into four cups so that your friend can’t see them. 5) Label these cups with the numbers 1-4. Make sure that the flavors of the group B have different numbers than the flavors from group A. 6) Tell your friend the names of the flavors they’ll be testing. 7)…

19 Dec
0

Brain Patterns experiments

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What to do in this anatomy experiment. Pat the top of your head with one hand At the same time, pat your stomach with your other hand Keep patting your head, but start to rub your stomach in a circle movement Swap over. Now, rub you head while patting your stomach.   What’s happening It is easy for the hands to do the same pattern of movement. but it is hard to do two different movements at the same time.   Why is this? When you repeat the same movement, you get used to moving your hands in then same…

19 Dec
0

Bubble Snakes experiments

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When you blow air through your Bubble Snake bottle, you are creating hundreds of tiny bubbles. As the air wiggles through the cheesecloth or towel, bubbles are continuously being made. The bubbles attach to each other when they come out of the fabric.   This is due to the surface tension of water. Surface tension of water tends to make bubbles unstable and due to this force they don’t last very long. But on adding soap the surface tension is lowered but still the bubbles aren’t very stable due to the force that water exerts on it so to reduce…

19 Dec
0

How do animals see the world? Experiment

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Experiment #1 Cut a piece of card stock paper 28cm (11in) long by 9 cm (3.5 in) wide 2) Cut an arch halfway on the card to fit your nose. 3) Put the card to your face. Your nose must fit in the arch, and the card must touch your forehead. 4) Bend the sides of the card slightly away from your head. 5) Flex the ends of the card so what you see is clearly in focus. 6) What is different about the way you now see things? What’s happening You can see from either side of your head…

19 Dec
0

Awesome WINDBAG Science Experiment

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PROCEDURE Tie a knot in one end of the Windbag, leaving the other end open. Ask a friend how many breaths would it take to fill the bag? Hold the bag horizontal and start. You can fill the bag by holding the mouth of the bag at arm’s length. and blowing once directly into the bag. The entire bag will inflate in one breath.   EXPLANATION The Windbag is a long, narrow plastic bag that is about 8 foot long and about 8 inches wide. The bag can be blown up the old fashion way like Grace tried in the…

19 Dec
0

Balloon Center of Gravity Experiment

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The balloon without the coin is easy to move, but the balloon with the coin is not that easy to move and control.   Why is this? When you toss the balloon with the coin in the air you can’t tell which way it’s going to go. This is because the balloon center of gravity.   The center of Gravity is where the majority of and object weight is located. In the case of the empty balloon it’s leaning towards the mouth and with a ball its in the center.   Because the coin adds more weight to the balloon…

19 Dec
0

CSI Strawberry DNA Experiment

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Materials Rubbing alcohol, measuring cups, salt, water, dish soap, bowl, test tube (glass), cheesecloth, funnel, 3 strawberries, ziplock bag, skewer.   Procedure – Chill the rubbing alcohol in the freezer. – Mix one half teaspoon of salt, 1/3 cup of water. and one tablespoon of dish soap liquid in a bowl. Set this mixture aside. This is your extraction liquid. – Line the funnel with cheesecloth, so that it will drain into a test tube or glass. Not the glass with the extraction liquid. – Remove the green stems from the strawberries. – Put Strawberries into the ziplock bag and…

19 Dec
0

Can you put a Ping Pong ball into a glass? Experiment

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RULES No moving the cup No touching the ball or scooping the ball No sucking the straw (You can blow into the straw)   Grace is blowing air into the straw and is flowing out of the funnel at a high velocity. The ping pong ball is placed under the funnel, the low pressure created by the high velocity air going around the ball will keep it in the funnel. Once Grace stops blowing the ball will fall out of the funnel.  

19 Dec
0

The Paper Helicopter Experiment

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Cut along the SOLID lines. Fold along the DASHED lines. Fold flaps C and D inward, then fold the bottom up; this will create a handle of sorts. you can also make your own design like Grace did. Let us know in the comments below how long it took your helicopter to go down.   EXPLANATION As a result, there is less air pressure on top of the wing; this causes suction and makes the wing move up. A helicopter’s rotor blades are wings and create lift. An airplane must fly fast to move enough air over its wings to…

19 Dec
0

Baking Soda & vinegar exploding bag!

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AWESOME! No other words for this experiment. We all know what’s going to happen, but when. If your bored and have nothing to do then this experiment will add some excitement to your afternoon.   What happens inside the bag is a chemical reaction – the baking soda and the vinegar eventually mix (the paper towel buys you some time, as it’s like a fuse) When they do mix, you create an ACID-BASE reaction and the baking soda and vinegar work together to create a gas, (carbon dioxide) The carbon dioxide starts to fill the bag, and keeps filling the…

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