A wooden boat
in water will float.
But a needle will sink!
Why does this happen?
Let me think...
An iron ship
will also float. though it's much heavier
than my boat!
But a needle,
light as a leaf,
thin as a pin,
will sink right in!
Why does this happen?
Let me think...
Density
Definition: Density is the measurement of how tightly a material is packed together. It is defined as the mass per unit volume.
Density Symbol: D or p
Density Formula: p = m/V, where p is the density, m is the mass of the object and V is the volume of the object.