22.4 Nuclear Fusion and Fission

Slides:

Advertisements

Similar presentations

Section 2: Nuclear Fission and Fusion

Advertisements

Section 2Nuclear Changes Nuclear Forces 〉 What holds the nuclei of atoms together? 〉 The stability of a nucleus depends on the nuclear forces that hold.

1 Nuclear Radiation Nuclear Fission and Fusion Copyright © 2005 by Pearson Education, Inc. Publishing as Benjamin Cummings.

Nuclear Fission Reactions Purposely split a nucleus into two or more nuclei with smaller masses. Tremendous amounts of energy released. [

Nuclear Fission & Fusion

Nuclear Fission The splitting of a nucleus into two smaller fragments.

Nuclear Fission The splitting of a nucleus into two smaller fragments.

Nuclear Power Plants. What do nuclear power plants release? Energy! How do these power plants provide us with energy? Energy is collected from the nucleus.

Nuclear Fission & Fusion. History: Hahn & Strassman (1939) Bombarded Uranium-235 samples with neutrons expecting the Uranium-235 to capture neutrons Instead,

NUCLEAR FUSION NUCLEAR FISSION. chools/gcsebitesize/scie nce/add_aqa/atoms_rad iation/nuclearact.shtmlhttp:// chools/gcsebitesize/scie.

Unit 8 Section 2: Nuclear Reactions

Section 2Nuclear Changes Section 2: Nuclear Fission and Fusion Preview Key Ideas Bellringer Nuclear Forces Nuclear Fission Chain Reaction Nuclear Fusion.

Unit 2 – The Atom Nuclear Chemistry Fusion and Fission.

Binding Energy Per Nucleon The binding energy per nucleon of a nucleus is the binding energy divided by the total number of nucleons in the nucleus Binding.

19.9 nuclear fusion  light nuclei combine to give a more stable heavy nucleus plus possibly several neutrons, and energy is released. Used in hydrogen.

Nuclear Energy.

Fission and Fusion of Atomic Nuclei. I. Nuclear Fission Fission - The splitting of the nucleus into fragments (division) Uranium-235 is struck by a neutron.

Half-Life and Nuclear Reactions Review We learned that all radioactive atoms eventually decay into stable isotopes. –We did not talk about how long this.

26/05/2016 Nuclear Fission and Fusion L/O :- To know the process of nuclear fission and fusion.

Nuclear Reactions Powering the Sun since 4.6 Billion B.C.

Atomic Stability. Isotopes Isotopes are atoms of an element that have different numbers of neutrons in their nucleus. Cu Copper – 63 OR Copper.

 Fusion and Fission are different  Fusion combines atoms, Fission rips them asunder  Sol is powered by fusion.

Fission Lise Meitner- Austrian physicist during time of WWII. Discovered that bombardment of uranium with neutrons can split the nucleus into two pieces.

In your own words try to explain a radio active decay series

Section 19.3 Using the Nucleus as a Source of Energy 1.To introduce fusion and fission as sources of energy 2.To learn about nuclear fission 3.To understand.

Nuclear Reactions Fission and Fusion. FISSION The splitting of an atomic nucleus into 2 smaller particles. Animation.

Nuclear Fission And Nuclear Fusion

Section 2Nuclear Changes Section 2: Nuclear Fission and Fusion Preview Key Ideas Bellringer Nuclear Forces Nuclear Fission Chain Reaction Nuclear Fusion.

Nuclear Fission & Fusion. History: Hahn & Strassman (1939) Bombarded Uranium-235 samples with neutrons expecting the Uranium-235 to capture neutrons Instead,

Fission and Fusion are both nuclear reactions that involve the particles in the nucleus of an atom.

Nuclear Fission and Fusion Chapter 10.2 Notes. Nuclear Forces Protons and neutrons are tightly packed inside the nucleus Remember that unstable nuclei.

 In nuclear fission, large atoms are split apart to form smaller atoms, releasing energy.  Fission also produces new neutrons when an atom splits. 

Physical Science Chapter 18 Section 4. + Nuclear Fission Nuclear fission is the process of splitting a nucleus into several smaller nuclei Fission means.

Fission and Fusion. Nuclear Reactions Two types of nuclear reactions that release energy.  Fission  Fusion.

Nuclear Fission and Fusion

Nuclear Stability You should be aware that: A nucleus can be naturally unstable Instability can be induced into a nucleus – for example if we bombard.

NUCLEAR FUSION Process of combining two light nuclei to

What produces the radiant energy of stars?

Fusion and Fission.

Nuclear Reactions Fission and Fusion.

Warm up Write an equation for the alpha decay of polonium-214

GCSE Astronomy – Lesson 3

Section 2: Nuclear Fission and Fusion

Half-Life and Nuclear Reactions

Nuclear Stability Nuclear Changes

Fission vs. Fusion.

Fission and Fusion of Atomic Nuclei

Fission Vs. Fusion.

Unit 11: Nuclear Chemistry

Unit 4 Nuclear Reactions.

Copyright © Cengage Learning. All rights reserved Review Atomic Number (Z) – number of protons Mass Number (A) – sum of protons and neutrons Copyright.

THE SUN: Fusion, Fission and Combustion

NUCLEAR CHEMISTRY Unit 1 Notes.

Fission and Fusion of Atomic Nuclei

Nuclear Reactions Fission and Fusion.

14.4 Nuclear Reactions.

Nuclear Energy.

Fission and Fusion Chp 24.

14.4 Nuclear Reactions.

22.1 The Nucleus Essential Questions:

Atomic Structure.

Fission and Fusion.

AN INTRODUCTION TO FISSION & FUSION

Nuclear Radiation.

Fusion in the Sun.

Nuclear Fission and Fusion

Nuclear Energy.

Section 2: Nuclear Fission and Fusion

Topic: Fission and Fusion

Presentation transcript:

22.4 Nuclear Fusion and Fission Essential Questions: What is the difference between Nuclear Fission, Nuclear Fusion and Chain Reaction? How can nuclear fission be used to generate power? What are some benefits of a fusion reaction compared to a fission reaction? What are the difficulties of fusion reactions currently?

Fission and Fusion of Atomic Nuclei I. Nuclear Fission A. Nuclear Fission - A very heavy nucleus splits into more stable nuclei of intermediate mass

B. Nuclear Chain Reaction - A reaction in which the material that starts the reaction is also one of the products and can start another reaction

Video of nuclear fission https://www.youtube.com/watch?v=Ezbyg2iNdQs

C. Critical Mass - The minimum amount of C. Critical Mass - The minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction.

*Without critical mass, there is no nuclear chain reaction Domino Effect *Without critical mass, there is no nuclear chain reaction

II. Nuclear Fusion - Light-mass nuclei combine to form a heavier, more stable nucleus

Problems with fusion as an energy source No known material can withstand the temperatures of a fusion reaction which are greater than 100,000,000 K. This is a picture of an H-Bomb or Hydrogen Bomb. This is produced by fission The A-Bomb or Atom Bomb was dropped on Hiroshima and Nagasaki. That bomb is produced by fusion. New Mexico’s los Alamos and Sandia National Labs were where the first nuclear devices were developed and tested. These devices helped bring about the end of WWII. The labs are still used by the defense industry to keep the United States safe and the by-products improve our technology and lives.

Fusion Video https://www.popularmechanics.com/science/energy/a23829/fusion- explainer-kurzgesagt/

Stars get their energy from nuclear fusion H→ He →N → C → O → Mg →Si →Fe →Ni → etc Our star (the sun) and earth (and the rest of the planets) are made from the remnants of a supernova that exploded billions of years ago. The only way the heavier elements can be made is in a supernova of a giant star. The elements that made us are from an exploded star! We are star dust!

Finish this sections of Notes: Color code the notes Add annotations to the cue column Write a Summary Paragraph (answer the essential questions here!) Write a Response Paragraph.