Carbon dating questions answers
There were no eyewitnesses, but there are several suspects. You need to determine the exact time at which Frosty was put into the funnels to melt away, leaving no trace.On a separate sheet of paper, immediately record the volume of Frosty's melted remains (water) in your graduated cylinder and note the time on the clock.For the laboratory portion of this lesson, you will have to set up the ring stands, rings, funnels, and graduated cylinders.Fill the funnels with ice before the students arrive in the classroom.This lesson is the third in a three-part series about the nucleus, isotopes, and radioactive decay.The first lesson, Isotopes of Pennies, deals with isotopes and atomic mass.You may group them in any size group, but working in pairs is optimal for this exercise.The lab stations should have been set up already as described in the Planning Ahead section above.
Atoms may stick together in well-defined molecules or they could be packed together in large arrays.Be sure to include how radiocarbon dating works backwards to solve a puzzle.Explain to your friend how you and other archaeologists, with the help of chemistry, determine how old your discoveries are.Carbon-14 is produced constantly as our atmosphere is bombarded by cosmic rays.It is incorporated into the carbon cycle, so that all living things, including you, contain radioactive carbon-14.
You can refer to How Carbon-14 Dating Works, from How Stuff Works, to help you answer the question.