Remember your investigation is what supports your hypothesis so it is very important that you take time to read carefully and understand what you read.
- Take notes of the most important things and of the facts that will help you explain your results at the end of the experiment.
- You need to check at least three different sources (books, magazines, web pages,etc.)
- When you check a book, you need to include the book's title, author, editor and the pages that you consulted.
- If it is a magazine, you need to include the magazine's name, volume, year and the title and author of the article you read.
- Finally, if it was a web page, you need to include the internet address where you got your information and the page's name. If the name of the author is mentioned, also include it.
Don't forget that your experiment must include:
1. A clear question with a measurable answer. It means that you should be able to measure your results in some way: distance, time, capacity, weight, size, etc.
2. Investigation that helps you answer the question and helps you support a hypothesis.
3. A hypothesis showing a cause-effect relationship.
4. Variables - things that you will change in your experiment.
5. Constants - things that will not change: example: same amount of water, same amount of light, same type of seeds, etc.
6. List of materials.
7. Steps to follow.
8. Chart or table to record your observations.
9. Analysis of the data you recorded during your observations.
10. Conclusion, based on your results and investigation. Explain if your hypothesis was correct or not and why.
Remember the Scientific Method song at:
http://www.youtube.com/watch?v=eA86dYxrg4Q
Now, here are some useful links where you can find useful information. Remember READ and select only the information you NEED!
Air Pressure: http://kids.earth.nasa.gov/archive/air_pressure/ This page is excellent and includes ideas for experiments and also some questions.
http://www.physicalgeography.net/fundamentals/7d.html This page has lots of information and suggests other links that you can visit.
http://www.kidsgeo.com/geography-for-kids/0081-atmospheric-pressure.php
At this page you will find information and a very nice video which also includes an idea to show how air pressure works. Good luck!
Density: Visit the following page which shows a density scale for different liquids:
http://www.stevespanglerscience.com/experiment/seven-layer-density-column
This page includes a problem, density measures for different liquids and other information:
http://www.edinformatics.com/math_science/dens_liquid.htm
At this page you can watch an interesting video about water density:
http://www.youtube.com/watch?v=Ak9CBB1bTcc
Magnetic force: Watch a video on what magnetism is and how it works:
http://www.youtube.com/watch?v=lMJtGXt3-vE
Magnetic fields: This video explains what a magnetic field is:
http://www.youtube.com/watch?v=uj0DFDfQajw&feature=fvsr
Compass: This video explains how it works:
http://www.youtube.com/watch?v=lSaXhVEE4oQ
Also, you can check these pages about magnetism:
http://www.historyforkids.org/scienceforkids/physics/electricity/magnet.htm
http://science.pppst.com/magnets.html
http://www.explainthatstuff.com/magnetism.html
Nuclear energy: This page includes lots of information about nuclear energy and nuclear power plants: http://www.eia.gov/kids/energy.cfm?page=nuclear_home-basics
This page has simple and easy to read information: http://www.washingtonpost.com/lifestyle/style/explaining-nuclear-energy-for-kids/2011/03/15/ABhFsfl_story.html
Also check: http://www.kidcyber.com.au/topics/nuclearenergy.htm
You can also watch a video which explains where nuclear energy comes from:
http://www.youtube.com/watch?v=CQ55vYgbB1I
Why do some people attact mosquitoes? Watch this video:
http://www.youtube.com/watch?v=VydZW47p-G0
Enjoy your work!
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