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TEST I
Instructions: Briefly answer the guide questions below. Write your answer on the space provided.
1. How did the number of elements grew from lower-mass elements such as Hydrogen and Helium?
2. What is the importance of Carbon Dating and how is it used by archaeologists?
TEST I
Instructions: Briefly answer the guide questions below. Write your answer on the space provided.
1. How did the number of elements grew from lower-mass elements such as Hydrogen and Helium?
2. What is the importance of Carbon Dating and how is it used by archaeologists?
Answers & Comments
Answer:
1. The number of elements grew through various processes in stars, such as fusion reactions, where lighter elements combine to form heavier elements. Over time, this process has led to the formation of elements up to Iron on the periodic table. Heavier elements, such as Gold and Uranium, are formed through neutron capture and supernovae explosions.
2. Carbon dating is a method used by archaeologists to determine the age of organic materials, such as wood, bone, and shells. It works by measuring the amount of radioactive carbon-14, a isotope of carbon, remaining in the material. Carbon-14 decays at a known rate, so by measuring the amount present, scientists can determine how long it has been since the material was alive and calculate its age. This technique is important because it provides a means of dating materials that cannot be dated using other methods and helps archaeologists understand the age and development of human civilizations and the natural world.