Atomic & Nuclear Physics

At the end of the 19th century, most scientists believed that matter was made up of tiny, invisible particles which we call atoms. How much we know about them today?
While you can’t see, taste, or smell radiation, you encounter it in some form every day of your life. Wilhem Röntgen: the man who discovered the X-rays probably did not understand that the radiation is too big a dose. But we know that today.

In coming weeks, we will work on atomic & nuclear physics followed by energy supply.
We will learn about the structure of the atom and how it works. We talk about historical discoveries and today's research about the atom. We will learn about how light emanates and different types of radiation that can both be useful and harmful to us. The energy we use today in eg. form of electricity and fuel for vehicles and more must come from somewhere.

Innehåll/Content

 

In this unit, we will cover

-Models of physics to describe and explain the occurrence of particle radiation and electromagnetic radiation, and also the impact of radiation on living organisms.  How different types of radiation can be used in modern technology, such as in healthcare and information technology.

-Supply and use of energy historically and currently, as well as possibilities and limitations in the future.

 

 

Target/Mål

 

The ability to:

-discuss, review and argue on how we should use radioactive substances today and in the future

- Explain how these substances both save and take life plan and carry out scientific studies on different types of radiation created by radioactive substances

-describe and explain concepts such as an atom, atomic nucleus, electron, particle accelerator, ion, isotopes, gamma radiation, half-life, background radiation, and radiation dose and dosimeter

-discuss, review and argue on proposed goals for achieving sustainable energy supply by 2050

-plan and carry out scientific studies on the energy principle, energy conversions, and sustainable energy sources

-describe and explain concepts such as position energy and motion energy, chemical energy, the energy principle, efficiency, renewable energy sources, non-renewable energy sources, and the greenhouse effect.

 

Material/resources:

 

Quizlet: https://quizlet.com/_6e83en

 

Books, Notes, Presentations and related videos.

 

 

 

 

 

 

Bedömning/Assessment

 

There will be three different 3 tasks and one lab, to assess the knowledge and skills, that are distributed one by one. These assessments are individual and written. Each assignment has a separate deadline for submission.

Task 1: Individual written report on Historical and contemporary discoveries in physics

Task 2: Newspaper Article on Nuclear Accidents

Task 3: Test

Lab: Candium Lab

 

If due to any unforeseen reasons you miss a lesson, it is your responsibility to check Teams, read the notes on teams and contact me and come for study help.

Läroplanskopplingar

Syfte

• använda kunskaper i fysik för att granska information, kommunicera och ta ställning i frågor som rör energi, teknik, miljö och samhälle,
• använda fysikens begrepp, modeller och teorier för att beskriva och förklara fysikaliska samband i naturen och samhället.

Centralt innehåll

• Energins flöde från solen genom naturen och samhället. Några sätt att lagra energi. Olika energislags energikvalitet samt deras för- och nackdelar för miljön.
• Fysikaliska modeller för att beskriva och förklara jordens strålningsbalans, växthuseffekten och klimatförändringar.
• Fysikaliska modeller för att beskriva och förklara uppkomsten av partikelstrålning och elektromagnetisk strålning samt strålningens påverkan på levande organismer. Hur olika typer av strålning kan användas i modern teknik, till exempel inom sjukvård och informationsteknik.
• Aktuella samhällsfrågor som rör fysik.
• Historiska och nutida upptäckter inom fysikområdet och hur de har formats av och format världsbilder. Upptäckternas betydelse för teknik, miljö, samhälle och människors levnadsvillkor.
• Aktuella forskningsområden inom fysik, till exempel elementarpartikelfysik och nanoteknik.
• De fysikaliska modellernas och teoriernas användbarhet, begränsningar, giltighet och föränderlighet.
• Sambandet mellan fysikaliska undersökningar och utvecklingen av begrepp, modeller och teorier.
• Källkritisk granskning av information och argument som eleven möter i olika källor och samhällsdiskussioner med koppling till fysik, såväl i digitala som i andra medier.

Uppgifter

Wordlist: Atomic and Nuclear physics & Our Energy supply

Important words for this unit.

Assignment 1: Historical and Contemporary Discoveries

Uppgift 1: Historisk retrospective See the attached file for the description of the assignment. Submission: April 24th

CW: Posters in PDF

Task: Make a poster either in powerpoint (Use the attached template) or Canva or any other website.

PS: one member from each team also have to send the posters to the scientist in the dropbox and if you have collected more data please download you google sheet in Excel and upload it in the same dropbox.

Remember that whereever you make it it should follow the dimentions.

1. All posters must be of size A1, with the dimensions 59.4 cm x 84.1 cm in portrait format. In pixels, it is 7,016 x 9,933 px to be able to print the poster in 300 dpi, which is needed for the poster to be sharp when printing.
2. At the top and bottom you need to insert 25 mm as this area will be covered by a wooden strip when hanging.
3. An enticing title.
4. Students' names and the name of the school and city.
5. A brief background on the scientific subject and why the study was done and its goals. And if one or more Nobel Prizes relate to this topic, then mention this.
6. What the students have done - Method - Results - Conclusions - and Discussions from the different steps in the work process: collection, analysis and design. What have you learned and what would you like to continue with?
7. Images (preferably own, otherwise images that are free to use) with captions.
8. Logos (Nobel Prize Museum, Research Aid, Chalmers and the Foundation for Strategic Research) must be on the poster. You can find the logos further down the page.

Here is the website with two past year's example (scroll to the bottom).

Poster format 1A.pptx

Satellites: What are they

Reading instructions, understanding and following them is one of the knowledge requirements in science.

Instruction: Read the attached document and choose three of the eight given facts and research and write your research and sources directly here. (NOT ON WORD, you may first write and then copy past it directly here)

Satellites Assessed Question In Class.docx

Pendulum lab: Assessment

Write a proper lab report on the section of the lab you were asked to do in class and hand in here.

Pendulum Investigation - Student.doc

Assignment: Nobel Prize Poster

Research and make a poster on canva. You should check three different sources and explain about one of the three sources why did you decide to use that source. Please upload a pdf of your poster here and copy paste the sources and analysis of sources here.

nobelprizeposters1.docx

Lab Reprt 1: Practice for A3 part of NT

Construct a pendulum that has 1s oscillation time.

Your lab report should have following parts:

• Title , Date and name: Write title , date name and your partner's name
• Aim: Explain what this investigation is about and hwat should you find out?
• Hypothesis: write the hypothesis before you do the experiment
• Procedure: explain briefly how did the investigation go
• Sources of error: What sources of errors can be there ( both before and after the experiement)
• Result: What was the result? Show your result by writing in a short paragraph. Use table, graph, drawings or pictures ( here you should analyse your result)
• Discussion/conclusion :Here you should analyse your result and discuss and explain your conclusion.

1. was your hypothesis right? Explain your result(what happened and how?)
2. Is your result fair? how did the sources of error affect your result?
3. How can you improve your lab? what interesting questions do you have?

Safe and Reliable Nuclear Energy and its usage

How Nuclear Energy can be used for the benefit of humans and what can happen if it goes wrong. Task : Based on the notes provided explain what happens to the radioactive substance that makes the imaging possible.

Assignment 2: Nuclear Accidents

Read through the assignment attached and write a newspaper article based on the instructions given. Print your article and hand into me in class as well as upload your article here.

Nuclear Power Summery

How is nuclear power generated.

Simulation Labs

Nuclear fission interactive simulation from PhET Alpha decay interactive simulation from PhET Beta decay interactive simulation from PhET

Half life: Lab

Half-life: what is it? Find out with the help of this fun experiment with Candium.

Increased production of Energy

Write a short text 150-200 words to discuss which form of energy is best and why. Details in the attached document.