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How to make Basic Copper Carbonate

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2018!!

2018!! The year 2018 is coming in a few days, everyone! I apologize that I didn’t celebrate Christmas with you and I didn’t post anything since “Christmas” at my house was really boring. I didn’t receive any presents too, so that’s why I didn’t blog/post anything. My family didn’t have a Christmas tree ūüė¶ but we ate turkey and many […]

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How to make Rochelle Salt (Potassium Sodium Tartrate)

How to make Rochelle Salt (Potassium Sodium Tartrate) Rochelle Salt (Potassium Sodium Tartrate) a¬†crystalline solid¬†having a large piezoelectric effect (electric charge induced on its surfaces by mechanical deformation due to pressure, twisting, or bending), making it useful in sensitive acoustical and vibrational devices. In 1824, Sir David Brewster demonstrated¬†piezoelectric¬†effects using Rochelle salts,¬†which led to him naming the effect¬†pyroelectricity. Materials + […]

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How to Calculate Molar Mass

How to Calculate Molar Mass Moles¬†are a unit of measurement of chemicals. A¬†mole¬†is the¬†atomic¬†weight of a molecule of the chemical in grams and it is used very commonly in chemistry, so I’m going to show you how to calculate molar mass. You can find the¬†molar mass right on the periodic table. On the table, there is the element symbol, the […]

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I’m Back!!

It’s already turning to December, but I didn’t do anything! (I was gone for a month). But now I’m back to make more posts! Nothing much happened in this month, I really don’t have much time for my blog left since I go to the gym. My dad gave me twice of school work because the gym is in the morning and I’m tired in the afternoon (too tired to study). So I need to give more work to myself on Friday, Saturday, and Sunday. But don’t worry, I went nonstop studying in the middle¬†of nights and now I have less work. Anyways, I’ll be making more posts soon. Bye for now!    

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Making a Mercury Switch

Making a Mercury Switch Remember that experiment about mercury? I tried to show you that mercury can conduct electricity. And it did. I studied it a little bit more and I found this: A Simple (Tilt) Mercury Switch: It’s similar to the one we did the last time. Instead of tilting it around, what if you suck the mercury in […]

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Making Naphthalene Crystals

Making Naphthalene Crystals I realized that time passes so fast, it was about a week since I made a new post. I feel like it has been for only 3 days. Anyways, let’s get started with the post. I’ll try to make Naphthalene crystals. Naphthalene is a white crystalline solid with a characteristic odor. It’s melting point is about 80¬įC. […]

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Turning a Coin to Silver and Gold (Simple Redox Reaction)

Turning a Coin to Silver and Gold (Simple Redox Reaction) This simple experiment will make you understand the redox reaction. This is one of my favorite experiments so I decided to make a post about it. Things you’ll need: a copper coin (a penny, basically), zinc powder, sodium hydroxide (more than 50%), alcohol lamp, forceps, and a beaker. Pour Sodium Hydroxide into a beaker and pour some zinc dust in it, enough to cover the coin. Put the coin the beaker and wait for a couple hours, I’ll be using my country’s copper coin.   Take the coin out with forceps and wash it with water, now you have a silver coin. If you want to continue, do the following steps: Make sure the coin is dry. Heat it up with an alcohol lamp until it’s yellow. Enjoy. An¬†oxidation-reduction¬†(redox)¬†reaction¬†is a type of chemical¬†reaction¬†that involves a transfer of electrons between two chemicals. A redox reaction¬†is any chemical¬†reaction¬†in which the oxidation number of a molecule, ion, or atom changes by losing or gaining an electron. For example, like this experiment, the zinc transferred its ions to the copper; that’s how the coin turned silver, and that’s why this is a redox reaction. What about turning it to gold? The color of silver and copper are just mixing together when heated and that makes the gold color.

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Do Water Vapors Effect the Mass of Copper (II) Sulfate?

Do Water Vapors Effect the Mass of Copper (II) Sulfate? The pentahydrate form, which is blue, is heated, turning the¬†copper sulfate¬†into the anhydrous form which is white, while the¬†water¬†that was present in the pentahydrate form evaporates. I wanted to know if water vapors affect the mass of copper sulfate. Things you’ll need: crucible, balance, Copper (II) Sulphate, spoon, alcohol lamp, […]

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Does Mercury Conduct Electricity?

Does Mercury Conduct Electricity? I bought this from my science shop yesterday so that I could perform more experiments. Why is it a liquid? The reason for¬†mercury¬†being a liquid is complex. It is heavy; a chunk of iron¬†can¬†float on¬†mercury. Compared to other metals, it¬†does¬†not¬†conduct¬†heat well. However, it¬†conducts electricity¬†fairly well. Mercury is the only metal that is a liquid at normal […]

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Copper Plating: Part #1

Copper Plating: Part #1 I’ve never used a copper stick in one of my experiments, I found out that I’m good at plating, which is what we’re going to be doing in this post. You probably wondering why my copper is a green, it’s because of chemical reactions with the elements. Just as iron that is left unprotected in the […]

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Warm Chemistry

Warm Chemistry After that long break, I would like to do a very simple experiment to start. This one is pretty common, most people probably know this experiment, but no one realized that there was more to it. Things you’ll need: Yeast, hydrogen peroxide, a beaker, and a thermometer. Pour 200 ml of hydrogen peroxide into a beaker. Insert the […]

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What is Silica Gel?

What is Silica Gel? Silica gel¬†is a¬†granular,¬†vitreous,¬†porous¬†form of¬†silicon dioxide¬†made synthetically from¬†sodium silicate. Silica gel contains a nano-porous silica micro-structure, suspended inside a liquid. Most applications of silica gel require it to be dried, in which case it is called silica xerogel. For practical purposes, silica gel is often interchangeable with silica xerogel. Silica xerogel is tough and hard; it is […]

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I Found the Answer

I Found the Answer Finally, I found what this is: I cracked one of the tiny stones and the inside was black: I guess the color has been covered by some other minerals or the color on the outside has been changed¬†from weathering. Remember, the color of magnetite is always black. Also, I did the streak test. The “streak test” […]

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How to get rid of flies in your house

From Indianes Kitchen. Go visit the link on the bottom of this post. It will tell you how. Don‚Äôt you hate that time of the year when the Fruit Flies invade your kitchen? Landing on your food is disgusting! It seems like they are everywhere and you can‚Äôt get rid of them! You won‚Äôt get rid of them completely unless you throw out your ripe produce or put the ripe produce in the¬†[‚Ķ] Visit the full post here: Fruit Fly Solution ‚ÄĒ In Dianes Kitchen

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Melting #2: Copper (II) Sulfate (Didn’t Work)

Melting #2: Copper (II) Sulfate (Didn’t¬†Work) The last time we melted sulfur, and it was really fun (except for cleaning the test tube). Now let’s melt something else, what about Copper Sulfate? Copper (II) sulfate is the¬†inorganic compound¬†with the¬†chemical formula¬†CuSO4. Older names for this compound include¬†blue vitriol,¬†bluestone,¬†vitriol of copper,¬†and¬†Roman vitriol.¬†The pentahydrate (CuSO4¬∑5H2O), the most commonly encountered salt, is bright blue. Melting Point:¬†110¬†¬įC¬†(230¬†¬įF) Sulfur’s melting point is 5 ¬įC higher (which means they’ll melt about the same time). It looks impossible¬†to melt it because the sulfur is more (soft) like a powder, but this one is tiny crystals. Let’s give it a try anyway. Light the lamp! OK, it’s heating it up nicely. A couple minutes later: The copper sulfate is turning whiter, but still, all of it still remains solid. But look. There’s water vapor in there. That’s weird, maybe there’s too much heat? But the sulfate didn’t melt yet. 10 minutes later: The sulfur melted already at this time. But the sulfate still remains a solid and it’s just turning whiter. 20 minutes later: This is taking forever! It’s not melting. Did I do something wrong? It’s 115 ¬įC already, and the temperature¬†can go further. I guess it won’t melt anymore so I turned off the heat. Wow! this experiment is a fail. I wonder why it has water vapors? Why is it turning white? When is it actually going to turn to liquid? Any ideas why it didn’t […]

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Melting #1: Sulfur (Making a Sulfur Coin)

Melting #1: Sulfur (Making a Sulfur Coin) I’m going to be melting sulfur… Sulfur is a¬†chemical element¬†with symbol¬†S¬†and¬†atomic number¬†16. It is¬†abundant,¬†multivalent, and¬†nonmetallic. Under¬†normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula¬†S8. Elemental sulfur is a bright yellow¬†crystalline¬†solid at room temperature. Sulfur Melting Point: 115 ¬įC ( 239.38¬†¬įF) Yay! the sulfur is melting! It took about 10 minutes to melt the sulfur. Now time to pour it into the mold! OK, the sulfur hardened. Time to take it out the mold.¬†I used a hammer to take it out. No! that’s the ugly side. The better side is this:   Wow, I’m actually impressed. You’re probably wondering why the sulfur is brown. Just wait a couple days and the coin will turn yellow. But once it turned yellow, it has a chance to crumble in a month. Because sulfur crystallization is a complicated process. The time it takes is mostly determined by the temperatures the substance was subjected to initially. I’ll be making another post to show you how the color changed. Hope you enjoyed the experiment if you did, drop a like on the bottom¬†‚Üď Sources: https://en.wikipedia.org/wiki/Sulfur https://melscience.com/en/experiments/sulfur-melt/    

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Playing With Black Light

Playing With Black Light I was just looking around the internet for some cool stuff, and I found something that catches my eye. I found black light. A¬†blacklight¬†(or often¬†black light), also referred to as a¬†UV-A light,¬†Wood’s lamp, or simply¬†ultraviolet light, is a¬†lamp¬†that emits long-wave (UV-A)¬†ultraviolet light¬†and not much¬†visible light.   One type of lamp has a violet¬†filter¬†material, either on the […]

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I Figured out why the Coins look Different

I Figured out why the Coins look Different Remember the coin experiment that I performed lately? When I washed the coins, they looked different. But why? I finally figured out the answer. Copper metal is oxidized by the Ag1+ to Cu2+ and the Ag1+ ions are reduced by the copper metal to silver metal. But do you remember what the coins are made of? Penny:¬†The alloy remained 95¬†percent copper¬†and 5¬†percent¬†zinc until 1982, when the composition was changed to 97.5¬†percent¬†zinc and 2.5¬†percent copper¬†(copper-plated zinc) until now. Cents of both compositions appeared in that year. 50 Satang (Thai baht):¬†The core is¬†99% iron and cladding is 99%¬†Copper. 10 Yen (Japanese¬†Yen):¬†95%¬†copper, 3‚Äď4%¬†zinc, and 1‚Äď2%¬†tin. The Penny turned yellow-orange because the zinc was mixed with copper. The Thai coin turned darker because of the iron. The Japanese coin turned yellow because of the zinc and tin. Tin is light yellow and zinc is gray. I hope you enjoyed that experiment, if you did, comment down below¬†‚Üď Sources: www.chem.indiana.edu/faculty…/5-5%20Silver%20Tree%20Redox%20Reaction.doc More sources at: The Silver Coin    

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Is this Iron or Magnetite?

Is this Iron or Magnetite? Today I wanted to identify this brown dust. I found the dust by me. I accidentally¬†dropped a magnet on the ground and the dust sticks to the magnet. So I collected it to perform some experiments with it. So in this post, I’m going to identify this dust. Let’s perform some tests. This dust could […]

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The Silver Coin

The Silver Coin What about this experiment? Remember the silver tree? That was a great experiment. Go over there and check it out (here: https://danupondrake.com/2017/06/25/the-silver-tree/). The silver nitrate will stick to the copper coil and make crystals. But instead of copper coils, why don’t we try copper coins? It will be fun to try! Let’s get started then! Let’s some […]

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Golden Rain

¬†Golden Rain The silver tree was beautiful, now let’s¬†perform a golden experiment. ¬†This experiment kind of failed and pass. What I mean is that the experiment failed, and it was a success, you know what I mean. So don’t trust my steps, but be sure to follow the video at the end of this post. This experiment is hard. Even […]

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Burglar Door Alarm

Burglar Door Alarm The last time I did an alarm that’s under a mat and it received¬†a lot of likes. The link for that is here:¬†How to Make a Burglar Alarm Mat. So today I have another alarm to make, and it involves a door. Make sure to follow the pictures and have fun. Things you’ll need: String, a bottle […]

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Color Change Chemistry 3

Color Change Chemistry 3 On the second and first experiments, I used chemicals. But this time, I’m going to use grapes. Grapes contain a pigment molecule called flavin (an anthocyanin). This water-soluble pigment is also found in apple skin, plums, poppies, cornflowers, and red cabbage. Things you’ll need: Black grapes, alcohol lamp, beaker, water, test tubes, test tube holder, vinegar, […]

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Separating Salt out of Water

Separating Salt out of Water Salt (NaCl) is a natural mineral made up of white cube-shaped crystals composed of two elements, sodium, and chlorine. It is translucent, colorless, odorless (officially, though we think you can smell the freshness of the sea in one of our boxes) and has a distinctive and characteristic taste. Salt occurs naturally in many parts of […]

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Elephant’s Toothpaste

Elephant’s toothpaste Today I’m going to do this common experiment that is used in chemistry classes called the elephant’s toothpaste. Elephant’s toothpaste¬†is a foamy substance caused by the rapid decomposition of¬†hydrogen peroxide.¬†This is often used for classroom demonstrations¬†because it requires only a small number of ingredients and makes a “volcano of foam”. Things you’ll need: a plastic container (as shown […]

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The Silver Tree

The Silver Tree As said on my post (it finally came 2) the silver nitrate is only 10 grams and it’s about $20. 10 grams is a little amount and it is very expensive, so I hope I don’t make any mistakes. The classic silver tree demonstration! Very simple to set up and perform, it’s great to introduce kids to […]

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The Sediment of Lead (II) Nitrate

The Sediment of Lead (II) Nitrate Today, I’m going to do a common experiment about the sediment of Lead (II) Nitrate. This is a very¬†quick demonstration¬†showing that two¬†solids¬†can¬†react¬†together. White¬†lead nitrate and white¬†potassium iodide¬†react to make yellow¬†lead iodide. I added 5 grams of each chemical into 95ml ¬†of water so I could have 5 % of each. I pour 10ml of […]

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Why can’t Chickens Fly?

Why can’t Chickens Fly? Most chicken breeds are still able to fly short distances. For example, flying up into a tree (that’s where they would naturally roost), or to escape a predator. They certainly are not¬†good¬†at flying, though. There are two reasons for that. 1. Ancestry Chickens were bred from a wild species call the red jungle fowl. These jungle fowl are a little more adept at flying than chickens are now, but they are fundamentally more adapted for a ground-based life All of their food is located on the ground, and they have an adapted beak to match. Their feet are adapted for walking, rather than perching. Its wings have become partially vestigial since the survival of an individual no longer relies heavily on flight; instead, natural selection has advanced those ground-oriented traits. So, to recap, chickens are bad at flying because their direct ancestor was bad at flying, because they’re adapted for spending time on the ground. 2. Selective Breeding by Humans Chickens are not a¬†natural¬†species; they were created by breeding the red jungle fowl into a new organism. Since humans were responsible for the gene selection process (“artificial selection”, as opposed to natural selection), chickens were bred not for survivability traits, but to have great big tasty breast muscles. Chickens’ ability to fly has only worsened under human management because no breeder has prioritized that, opting instead for edibility and commercial traits.

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Changing Iron to Copper

Changing Iron to Copper In this post, I’m going to show you how to change iron to copper in two easy steps.   Things you’ll need: copper (II) sulfate, a cup, a spoon, water, and nails or paper clips. Pour water into the cup. Put lots of copper sulfate into the cup. I put two spoons. Drop a paper clip […]

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Color Change Chemistry

Color Change Chemistry Change a clear liquid pink, then back to clear again in this impressive experiment. It may seem like magic, but it’s actually the science of PH. Things you’ll need: a beaker, a graduated cylinder, test tube holder, 3 test tubes, pipet, phenolphthalein, sodium carbonate, vinegar, and water. Fill the beaker halfway with water, and set the test […]

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Leaf Fish

Leaf Fish Do you know what camouflage is?¬†Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see (crypsis), or by disguising them as something else (mimesis). Examples include the leopard’s spotted coat, the battledress of a modern soldier, and the leaf-mimic katydid‘s wings. A third approach, motion dazzle, confuses the observer with a conspicuous pattern, making the object visible but momentarily harder to locate. The majority of camouflage methods aim for crypsis, often through a general resemblance to the background, high contrast disruptive coloration, eliminating shadow, and countershading. In the open ocean, where there is no background, the principal methods of camouflage are transparency, silvering, and countershading, while the ability to produce light is among other things used for counter-illumination on the undersides of cephalopods such as squid. Some animals, such as chameleons and octopuses, are capable of actively changing their skin pattern and colours, whether for camouflage or for signalling. Some animals camouflage in the ocean like the rockfish or flounders. But in my opinion, this one would be the best. It is called the “leaf fish”. Leaffishes are small freshwater fishes of the Polycentridae family, from South America. All of these fishes are highly specialized ambush predators that resemble leaves, down to the point that their swimming style resembles a drifting leaf (thus the common name leaf fish, which is shared with old world fishes […]

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Eggs are Strong

Eggs are Strong Next time someone’s cooking¬†with eggs around your house, save the eggshells so that you could astound your friends with this incredible stunt. Things you’ll need: 4 raw eggs, a small pair of scissors, masking tape, some books. To crack the eggs and get four empty eggshells, gently break open the small end of each egg by tapping […]

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The Wood-nettle: a Plant that could Sting like a Bee

The Wood-nettle: a Plant that could Sting like a Bee This will be a short post. If you’re interested please continue reading. There are lots of poisonous¬†plants¬†out there. But not as painful as this one: Laportea canadensis, commonly called Canada nettle¬†or wood-nettle, is an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North […]

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Walking Fishes

¬†Walking Fishes Can fishes walk on land? Sounds crazy! But these two fish can. 1.¬†¬†Mudskippers are amphibious fish, presently included in the subfamily Oxudercinae, within the family Gobiidae (gobies). Recent molecular studies do not support this classification, as oxudercine gobies appear to be paraphyletic relative to amblyopine gobies (Gobiidae: Amblyopinae), thus being included in a distinct “Periophthalmus lineage”, together with […]

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Density Column

Density Column Let’s start off with an easy experiment today. Create a colorful column with three liquids stacked on top of each other inside a test tube. Things you’ll need: test tubes, pipet, food coloring, light or dark corn syrup, vegetable oil, and water. Pour about 3 ml of corn syrup into the test tube. Use a pipet to add […]

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