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Calcium

Calcium Facts For Kids

Calcium is a vital chemical element that plays a crucial role in various biological processes and is widely used in construction and manufacturing materials.

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Calcium
Calcium
Facts for Kids!

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Introduction

Calcium is a super important mineral that helps keep our bodies strong and healthy! 🦴It's a shiny, grayish-white metal that is found in Group 2 of the periodic table. Calcium is the fifth most abundant element in the universe! 🌌It's mainly found in rocks and in a special form called calcium carbonate, which is in shells and limestone. Our bodies need calcium to build strong bones and teeth. Did you know that 99% of our body's calcium is stored in bones? Calcium is essential at every stage of life! Let's dive deeper and learn more about this amazing mineral!

Images of Calcium

The Face-centered cubic crystal structure.Image by Original PNGs by Daniel Mayer and DrBob , traced in Inkscape by User:Stannered, licensed under Creative Commons Attribution-Share Alike 3.0

The Face-centered cubic crystal structure.

Calcium crystals stored in mineral oilImage by 2x910, licensed under Creative Commons Attribution-Share Alike 4.0

Calcium crystals stored in mineral oil

Structure of the polymeric [Ca(H2O)6]2+ center in hydrated calcium chloride, illustrating the high coordination number typical for calcium complexes.Image by Smokefoot, licensed under Creative Commons Attribution-Share Alike 4.0

Structure of the polymeric [Ca(H2O)6]2+ center in hydrated calcium chloride, illustrating the high coordination number typical for calcium complexes.

One of the 'Ain Ghazal Statues, made from lime plaster

One of the 'Ain Ghazal Statues, made from lime plaster

Travertine terraces in Pamukkale, TurkeyImage by Pvasiliadis, licensed under Creative Commons Attribution-Share Alike 3.0

Travertine terraces in Pamukkale, Turkey

Global dietary calcium intake among adults (mg/day).[55] .mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column} .mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{} <400 400–500 500–600 600–700 700–800 800–900 900–1000 >1000Image by The RedBurn, licensed under Creative Commons Attribution-Share Alike 4.0

Global dietary calcium intake among adults (mg/day).[55] .mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column} .mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{} <400 400–500 500–600 600–700 700–800 800–900 900–1000 >1000

The Face-centered cubic crystal structure.Image by Original PNGs by Daniel Mayer and DrBob , traced in Inkscape by User:Stannered, licensed under Creative Commons Attribution-Share Alike 3.0

The Face-centered cubic crystal structure.

Calcium crystals stored in mineral oilImage by 2x910, licensed under Creative Commons Attribution-Share Alike 4.0

Calcium crystals stored in mineral oil

Structure of the polymeric [Ca(H2O)6]2+ center in hydrated calcium chloride, illustrating the high coordination number typical for calcium complexes.Image by Smokefoot, licensed under Creative Commons Attribution-Share Alike 4.0

Structure of the polymeric [Ca(H2O)6]2+ center in hydrated calcium chloride, illustrating the high coordination number typical for calcium complexes.

One of the 'Ain Ghazal Statues, made from lime plaster

One of the 'Ain Ghazal Statues, made from lime plaster

Travertine terraces in Pamukkale, TurkeyImage by Pvasiliadis, licensed under Creative Commons Attribution-Share Alike 3.0

Travertine terraces in Pamukkale, Turkey

Global dietary calcium intake among adults (mg/day).[55] .mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column} .mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{} <400 400–500 500–600 600–700 700–800 800–900 900–1000 >1000Image by The RedBurn, licensed under Creative Commons Attribution-Share Alike 4.0

Global dietary calcium intake among adults (mg/day).[55] .mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column} .mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{} <400 400–500 500–600 600–700 700–800 800–900 900–1000 >1000

Biological Role Of Calcium

Calcium is like a superhero for our bodies! 🦸‍♂️ It helps with building strong bones and teeth, which is super important as we grow. It also helps our muscles move and our nerves send messages. Calcium is especially important for kids because their bones are growing all the time! 📈It helps blood clotting, which is how our bodies stop bleeding when we get a cut. Calcium also helps release hormones that keep our bodies working properly. So, without enough calcium, our bodies can't function as well as they should!

Industrial Uses Of Calcium

Calcium isn’t just important for our bodies; it’s also used in many industries! 🏭It’s used to make cement, which helps build strong buildings and roads. Calcium is used to make metals, like aluminum, stronger and lighter! 🏗️ It also helps in water purification by removing impurities. Calcium compounds, like calcium carbonate, are used in products like toothpaste and chalk! You’ll even find it in some types of batteries! 🔋So, calcium helps not only us but also makes many things in our world work better!

Sources Of Calcium In Diet

There are many yummy foods that are great sources of calcium! 🥛Dairy products like milk, cheese, and yogurt are some of the best sources. Leafy greens like kale and broccoli are also packed with calcium! 🥦If you're not a fan of dairy, you can eat nuts, tofu, and even fish like sardines, which have soft bones. Some foods like orange juice and cereals are fortified with extra calcium too! 🍊Eating a balanced diet with plenty of these foods helps ensure you get enough calcium every day. Remember, it's important for growing strong!

Chemical Properties Of Calcium

Calcium has the chemical symbol "Ca" and its atomic number is 20! 🔬It belongs to the alkaline earth metals. Calcium is very reactive; it can easily combine with oxygen and water. When it does, it forms calcium oxide and calcium hydroxide. In nature, calcium is usually found in compounds, not by itself. It has a melting point of 842°C (1548°F) and a boiling point of 1484°C (2703°F). Calcium also plays a vital role in many chemical reactions. For example, when it reacts with acids, it produces bubbles of hydrogen gas! 💨

Interesting Facts About Calcium

Calcium is full of surprising facts! 🥳For example, our teeth have about 38% of calcium, which helps keep them strong! A 1-cup serving of cooked broccoli has about 180 mg of calcium, almost the same as a glass of milk! 🥦Plus, calcium is not only found in food; it’s also in many of the products we use every day! And here’s a fun one: Did you know that ants use calcium to build their exoskeletons? 🐜Calcium is truly a fabulous mineral that helps our world in many ways!

Calcium Deficiency And Its Effects

When we don’t get enough calcium, it can lead to problems for our bodies! 😟A calcium deficiency can cause weak bones, which makes them more likely to break. This condition in kids is called rickets, leading to bent or deformed bones. In adults, a deficiency can cause osteoporosis, where bones become fragile and break easily. Calcium is also vital for muscle function; without it, you might feel tired or have cramps. That’s why it’s super important to make sure you eat enough calcium-rich foods every day! 🍽️

Calcium Compounds And Their Applications

Calcium forms many compounds, making it very useful! 🧪One of them is calcium carbonate, which is found in shells and is used in making lime for gardens. Another is calcium sulfate, used in drywall for building walls! 🛠️ Calcium phosphates are important in fertilizers to help plants grow strong. Some medicines also use calcium compounds to help with bones and teeth. Plus, in the kitchen, we find calcium citrate in antacids that help our bellies feel better! 🍽️ Calcium compounds are truly all around us!

Historical Discoveries Related To Calcium

Did you know calcium was first discovered in 1808 by a scientist named Sir Humphry Davy? 🔍He isolated it from other elements while working with electricity. Calcium comes from the Latin word "calx," which means lime, a stone first used by ancient Romans! 🏛️ Over the years, scientists studied calcium and learned how important it is for our health. By the mid-1900s, researchers knew how calcium could prevent weak bones. We’ve come a long way in understanding calcium, making it a key mineral in science and health today!

Calcium Quiz

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