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5 States of Matter Facts for Kids [year] (Fun facts)

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5 States of Matter Facts for Kids (Fun facts) Let’s learn some facts about states of matter. Once you have finished the article, review our question sheet in the activity section to test your knowledge. What is the Definition of

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Water

Water is everywhere! It makes up our oceans, lakes, rivers, seas, and even over half of our bodies. Water is a colorless, clear, odorless, and tasteless liquid. It's something each one of us comes into contact with every day, from taking baths or showers to drinking water and going swimming on a hot day. But have you ever really thought about water? Water is pretty interesting if you start to ask yourself, 'What makes water, water?'

Water is created by bonding together very specific atoms. Atoms are very tiny things that, when joined together in certain ways, create everything we see around us. There are lots of different kinds of atoms. The atoms that are bonded to make water include two hydrogen atoms and one oxygen atom. When they link together, you have a water molecule. These atoms are what gives water its special and unique characteristics, which we'll look at now.

Water Polarity

Water molecules are what is called polar. This means that one end of the water molecule is positively charged, and the other end is negatively charged. If you've ever looked at a battery, this is kind of what it's like: one end is positive and the other is negative. In a water molecule, the positive and negative charges are attracted to each other, which make the molecules stick together.

Water is also considered a universal solvent, or a substance that can dissolve other substances, which is affected by its polarity.

Have you ever put salt into water? Or watched food coloring get dropped into water? Both salt and food coloring dissolve in water, or become part of the water. However, that is not the case when you put oil in water. Water is a polar substance, and oil is a non-polar substance. So, instead of mixing, the oil floats on top of the water.

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properties of water: lesson for kids - video & lesson transcript | study.com

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Properties of Water: Lesson for Kids - Video & Lesson Transcript | Study.com

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Water is everywhere! It makes up our oceans, lakes, rivers, seas, and even over half of our bodies. Water is a colorless, clear, odorless, and tasteless liquid. It's something each one of us comes into contact with every day, from taking baths or showers to drinking water and going swimming on a hot day.

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Landscape sculptor. Climate driver. Life supporter. Water is the most important molecule on our planet.

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The hydrogen bond between water molecules that we talked about in the first section is the reason behind two of water's unique properties: cohesion and adhesion. Cohesion refers to the fact that water sticks to itself very easily. Adhesion means that water also sticks very well to other things, which is why it spreads out in a thin film on certain surfaces, like glass. When water comes into contact with these surfaces, the adhesive forces are stronger than the cohesive forces. Instead of sticking together in a ball, it spreads out.

Water also has a high level of surface tension. This means that the molecules on the surface of the water are not surrounded by similar molecules on all sides, so they're being pulled only by cohesion from other molecules deep inside. These molecules cohere to each other strongly but adhere to the other medium weakly. One example of this is the way that water beads up on waxy surfaces, such as leaves or waxed cars. Surface tension makes these water drops round so they cover the smallest possible surface area.

Capillary action is also a result of surface tension. As we mentioned, this happens in plants when they "suck up" water. The water adheres to the inside of the plant's tubes, but the surface tension attempts to flatten it out. This makes the water rise and cohere to itself again, a process that continues until enough water builds up to make gravity begin pulling it back down.

Water's hydrogen bonds are also why its solid form, ice, can float on its liquid form. Ice is less dense than water because water molecules form crystalline structures at freezing (32 degrees Fahrenheit or 0 degrees Celsius) temperatures. The thermal properties of water are also linked to its hydrogen bonds. Water has a very high specific heat capacity, which is the amount of heat per unit mass required to raise its temperature by one degree Celsius. The energy required to raise the temperature of water by one degree Celsius is 4.2 joules per gram. Water also has a high heat of vaporization, which means that it can take a lot of heat without its temperature rising much. This plays a huge part in the climate, because it means that oceans take a long time to warm up.

Water is often known as the universal solvent, which means that many substances dissolve in it. Substances that dissolve in water are hydrophilic. This means that they are as strong or stronger than water's cohesive forces. Salt and sugar are both polar, like water, so they dissolve very well in it. Substances that do not dissolve in water are hydrophobic. This is the source of the saying "oil and water don't mix." Water's solvency is why the water that we use is rarely pure; it usually has several minerals dissolved in it.

The presence of these minerals is the difference between hard water and soft water. Hard water usually contains a lot of calcium and magnesium, but may also contain metals. Soap will not lather well in hard water, but hard water isn't usually dangerous. It can also cause lime scale deposits in pipes, water heaters and toilets.

Some of the latest controversy about water's properties lies in how ice behaves when it melts. Some scientists claim that it looks about the same as it does when it's solid, except that some of its hydrogen bonds are broken. Others claim that it forms an entirely new structure. So for all of its importance, we still don't completely understand water.

For lots more information about water and related topics, check out the links on the next page.

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The hydrogen bond between water molecules that we talked about in the first section is the reason behind two of water's unique properties: cohesion and adhesion. Cohesion refers to the fact that water sticks to itself very easily.

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Physical and Chemical Changes | #aumsum #kids #science #education #children

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Water Cycle | How the Hydrologic Cycle Works

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The tiniest bit that makes up everything around us is called an atom. The chair you sit on, the school bag you carry, the chocolate cake you love to eat, that vegetable sandwich that you do not like so much, and even you, just everything is made up of atoms.

The chair is made of wood, the bag is made of cloth, cake is made of flour, sandwich is made up of bread and vegetables you would say. I agree. But wood, cloth, flour, vegetables are in turn made up of atoms. Let us try to understand it like this.

Write a paragraph about your favourite topic in any language. You can say that paragraph is made up of combination of sentences. These sentences are made up of many words put together. Individual words if you see are a combination of letters. Will I be wrong if I say that your paragraph is made up of many letters? No. You agree, right?

Just like letters are the basic building blocks of any language, atoms are the primary building blocks for things around us. However, atoms are so tiny that we can not see them with our naked eye. We have to use a very advanced microscope to notice them.

The first person to ever come up with the concept of atoms was a Greek Philosopher named Democritus. The word atom, in fact, comes from a Greek word 'Atomos' meaning something that can not be divided any further.

Atoms combined together make up molecules. Atoms can be of different types. Combination of different atoms together make up different molecules. Did you know that one water molecule is made up of 2 hydrogen and one oxygen molecule? However, if you put 2 hydrogen and 2 oxygen atoms together, it makes up a molecule of stinky gas called Hydrogen Peroxide!

For our convenience, we say that everything around us is made up of matter. No points for guessing that matter is anything that is made up of billions and billions of molecules. Molecules that are in turn made up of atoms. Matter has mass and takes up space. Solids, liquids, and gases are all matter.

So you eat atoms, drink atoms, carry atoms and that everything in the world is atoms? All that matters is the atoms.

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The tiniest bit that makes up everything around us is called an atom. The chair you sit on, the school bag you carry, the chocolate cake you love to eat, that vegetable sandwich that you do not like so much, and even you, just everything is made up of atoms. The chair is made of wood, the bag is made of cloth, cake is made of flour, sandwich is made up of bread and vegetables you would say.

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Molecules and Atoms

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Atoms and Molecules -Basics -Animation lesson for kids

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States of Matter | #aumsum #kids #science #education #children

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Physical properties of water - Elementary Science