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easyscienceforkids.com/all-about-sink-and-float

A video explaining why some things float. Sink and Float Q&A. Question: Do things float better in salt water? Answer: Salt water is denser than freshwater, so things do float better. Enjoyed the Easy Science for Kids Website all about Sink and Float info? Take the FREE & fun all about Sink and Float quiz and download FREE Sink and Float ...

www.coolkidfacts.com/sink-and-float-facts-for-kids

Sinking and Floating Facts. Have you ever wondered about why some things sink and some things float? You might even think that bigger things sink and smaller things float, but in the weird and wonderful world we live in, that’s not actually true! There are far more reasons behind the mystery of sinking and floating.

mentalfloss.com/article/71870/why-do-things-float-water

Why Do Things Float in Water? ... Density is a big part of why some things float and others don’t. Objects like coins, rocks, and marbles are more dense than water. They will sink. Objects like ...

www.science-sparks.com/why-do-things-float-in-water

Objects with tightly packed molecules are more dense than those where the molecules are spread out. Density plays a part in why some things float and some sink. Objects that are more dense than water sink and those less dense float. Hollow things often float too as air is less dense than water. This is partly why huge heavy ships float.

sciencenetlinks.com/lessons/sink-or-float

In this activity students will determine whether various objects sink or float in water. Whether an object sinks or float in a liquid depends mainly on two factors: density and buoyancy. However, at this level, students do not need to explain why objects sink or float.

www.reference.com/science/things-float-water-3dc6050fd01075ef

The reason things float or sink in water is due to the object's or material's density. The density of water is 1.0 grams per cubic centimeter at 68 degrees Fahrenheit.

www.scienceforkidsclub.com/sink-and-float.html

But take that same ball of clay and flatten it into the shape of a boat or raft and when you place it in water it will float. Objects that are air filled will also float. One of the biggest questions that kids ask is: ‘why does a nail sink but a boat made with nails floats?’ The answer to that is a combination of things.

learning-center.homesciencetools.com/article/sink-and-float-science-projects

Floatable Objects Experiment Sink or Float? You probably already know that some things will float in water and some will not. Do you know why that is? Sometimes the best way to find out if something will sink or float is just to try it—and that is exactly what you’ll do in this “floatable objects” experiment!