Did You Know?

Calcium helps you grow big and strong!

Where to Find Calcium

You can find calcium in milk and cheese.

Why Calcium is Important

Calcium helps keep your bones strong.

What calcium Does

It helps your bones grow.

It keeps your teeth strong.

It helps your heart beat.

It helps your blood stay healthy.

It helps you move and play.

It helps you feel good.

More About calcium

Calcium is found in many foods. It is in milk, cheese, and green veggies. People have known about calcium for a long time. It is very important for kids and grown-ups.

Calcium helps us every day. It keeps our bones and teeth strong. If we eat food with calcium, we feel good and can play hard.

In the future, we will learn more about calcium. It is still a big part of health. We need to keep eating foods with calcium!

How Topics Connect

graph TD A["Calcium"] --> B["Symbol: Ca"] A --> C["Atomic Number: 20"] A --> D["Alkaline Earth Metal"] D --> E["Reactive Metal"] A --> F["Most Abundant Elements"] F --> G["5th in Earth's Crust"] F --> H["3rd Most Abundant Metal"]

What Do These Words Mean?

alkaline earth metal:A group of metals that are reactive and found in the second column of the periodic table.
oxide-nitride layer:A layer formed on a metal's surface when it reacts with oxygen and nitrogen in the air.
homologues:Elements that have similar properties and are in the same group on the periodic table.
calcium carbonate:A common compound made of calcium, carbon, and oxygen, often found in rocks and shells.
gypsum:A soft mineral used in building materials, made of calcium sulfate.