Just Ask Antoine!
Atoms & ions
Energy & change
The quantum theory
Electrons in atoms
The periodic table
Acids & bases
History of chemistry
Does ice weigh more or less than water?
- Does water weigh more when it is frozen? I'm in third grade. Please give me a simple answer.
Suppose you have a box of 50 Lego blocks. You can build many different things
with them; towers, walls, trucks, airplanes, robots- whatever. All of these objects look
different. But you don't really change the total weight of the 50 blocks just by rearranging
them in different ways. As long as you don't throw any blocks away, or add any new ones, 50 blocks
weigh the same, no matter how you stack them.
Atoms and molecules are the building blocks of matter. Freezing water (or turning it
into steam) changes the way the molecules are arranged, but it doesn't change the molecules themselves.
It doesn't change their total weight.
Author: Fred Senese email@example.com