Thursday, January 7, 2016

Chemistry Unit 4 Day 4

Learning Objective: Students will learn about nuclear reactions and will analyze and interpret what they've learned in writing using technical vocabulary: nuclear fission, nuclear fusion, reaction, energy, protons, neutrons, electrons and science ideas: energy transfer.


Questions:

  1. What is nuclear fusion? (book)
  2. What is a radioactive atom? give an example. (book)
  3. What does the half-life of a radioisotope correspond to?

Answer choices for number 3:
  • A. The length of time for a radioactive material to completely decay to a stable form
  • B. The length of time required for half of a sample of radioactive material to decay
  • C. The length of time a material is stable before the nucleus becomes radioactive
  • D. The length of time it takes for one nucleus to undergo a nuclear reaction