Science

With summer fast approaching, summer fun is right around the corner. Nothing screams summer like making a good sandcastle at the park or beach. Have you ever thought about the science behind making a sandcastle? Science-sparks.com gives a good, simple explanation about what makes a good one.

When attempting to make a sandcastle, "it often takes several attempts to get the right combination of sand and water to make them stick.

You'll notice that wet sand is much stickier than dry sand. This is because the water forms tiny bridges between the grains of sand which holds them together. This is due to the surface tension of the water.

If too much water is added, water fills the space between the grains of sand and the bridges break down".