The element carbon is an essential element in all living matter.Carbon-14 is produced constantly as our atmosphere is bombarded by cosmic rays.Because living things constantly interchange carbon atoms, the amount of carbon-14 remains constant, but when organisms die, no new carbon-14 enters the organism.However, the carbon-14 that was in the organism at death continues to disintegrate.On the next page enter the ABOVE email address, click "SET MY OWN" and amount as 20, your name, message( part of the question) and delivery date (now) and CHECKOUT.
In short, this is a documentary film that promotes ID (Intelligent Design).
The first lesson, Isotopes of Pennies, deals with isotopes and atomic mass.
The second lesson, Radioactive Decay: A Sweet Simulation of Half-life, introduces the idea of half-life.
Fill the funnels with ice before the students arrive in the classroom.
You can continue to fill the funnels as different classes arrive.