Hello friends of @steemiteducation, the education of our children is fundamental for us as parents and that is why we always have to look for the best teaching tools that help us transmit knowledge in a practical and fun way. The experiments at home are a very valuable tool that we have to take advantage of, they offer us infinite possibilities that we must use to teach. Today we will study Density and why Objects Float through a simple but fun experiment.

Previously we had already worked with this theme so my Daughter Sophia was already familiar with the subject and surprised me happily when she said "mama I know why the balls sink", which shows me that these experiments are a very useful tool so that our children can learn, so do not think about it anymore and dare to do it with your little ones.

But before we begin, we will review what the concept of Density and Buoyancy is!

What is Density?

That an object floats or sinks in a liquid depends on the relation between the densities of the object and the liquid. The density of a substance is obtained by dividing its mass by its volume. Volume is the space it occupies and mass is easily measured with a weight or scale. If we divide the mass between the volume density is obtained.

What is buoyancy?

Buoyancy is the ability of a body to stay within a fluid. A simple way to explain it is that for an object to float it is necessary that the push-up is greater than the weight and that depending on the density of the object and the fluid it floats more or less.

# Yes now! Let's go with the experiment:

Materials:

• A glass

• Water

• Children's oil

• Alcohol

• Aluminum Foil

• A plier

Procedures:

• Pour a quantity of water into a transparent glass, add an amount of children's oil and finally an amount of alcohol, the latter must be poured carefully so that it does not mix with the water and is separated by the oil.

• Then with the aluminum foil you can see some balls of different sizes, if you prefer so that some of them are more compact you can press them with the pliers so that they can be crushed even more.

• Then finally put the aluminum balls inside your glass, you will notice that some float and others are submerged at the bottom of the glass.

What has happened?

The density of the ball determines whether it sinks or floats. If we squeeze the little ball this will have more air inside and will have lower density, therefore floating on alcohol and oil.

If we tighten more the ball with the pliers we increase its density and we achieve that it sinks to the bottom of the glass where the water is.

Children love to do experiments. With them, while having fun, they learn and ask questions about the world around them. Among its many benefits, scientific exploration feeds the child's natural curiosity, fosters his interest in science, stimulates reasoning and logic, improves his ability to solve problems, increases his self-esteem and prepares them to understand more complicated scientific concepts in the future.To enjoy science is not necessary to have a laboratory, you will be surprised at the amount of experiments that can be done with a few homemade materials. So do not wait any longer, get down to work and have fun with your children or students

I hope that this article has been of your interest and help and I hope you in my next post.

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