Some objects float in water and other sink. But did you know that you can change whether something floats or sinks by adding a substance to the water? Let's try it and see! Pour water into a cup until ...

Ask them to predict which will sink and which will float. Then, place the clay and candle in a clear container of water. Students may say that the clay is more dense than wax. Tell students that the ...

A simple sink or float activity is a beginner science experiment that introduces young learners to the properties of density and buoyancy. WHAT YOU NEED 2 oranges 2 clear tall glasses or 1 larger ...