The Rise of Oxygen
This interactive feature story is part of Science Bulletins, an innovative online and exhibition program that offers the public a window into the excitement of scientific discovery. Published in March 2004, this Earth Bulletin examines how scientists are studying oxygen's origins by tracing its footprints in ancient rocks. It includes the following components: Four online essays -- An Ode to O, Earth Without Oxygen, Life Makes a Mark, and Footprints of the Air -- each available in a print-friend
We maken een ritje
Op het einde van deze les kun je een selectie uit de aangeboden activiteiten maken en beschrijven.
Food Webs - by StudyJams
The food web shows all of the relationships between all of the plants and animals in a community. It also shows how different food chains interact with one another and overlap. Learn more about food webs with this cartoon animation from StudyJams. A short, self-checking quiz is also included in this link.
seniorpicnic
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3.4.1 Pharmaceuticals or nutraceuticals? Nutraceuticals refers to the use of food supplements or herbal remedies for health purposes. For example, certain ingredients of the herb St John's Wort can be as effective in managing depression as conventional anti-depressants, with fewer negative side effects (Greeson et al., 2001). However, research also shows that this supplement can interact negatively with some commonly prescribed drugs, such as the contraceptive pill. This highlights the need for:
1.8 Reflecting on definitions of ‘abnormality’ The main thing to remember is that the way that ‘abnormality’ is defined will have consequences for the method of identification. It will also impact on people's expectations of their future development. For example, we discussed the way that dyslexia is defined in relation to a person's IQ. Does that mean that if someone has a low IQ and an even lower reading age we should adjust our expectations of what that person can achieve with help, or let IQ influence how much help is offered
Logarithm Concepts -- Introduction
This module introduces the concept of logarithms.
May the Magnetic Force be with You
This lesson begins with a demonstration of the deflection of an electron beam. Students then review their knowledge of the cross product and the right hand rule with sample problems. After which, students study the magnetic force on a charged particle as compared to the electric force. The following lecture material covers the motion of a charged particle in a magnetic field with respect to the direction of the field. Finally, students apply these concepts to understand the magnetic force on a c
VID00003
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Section 17
The thematic focus of this unit is people in Germany, Austria and Switzerland and the world they live in. You use audio and text to practise German language skills while also enhancing your cultural understanding.
Hervorming, revolutie en reactie Een site over de verspreiding van de industriële revolutie en de Europese centra, wegen enz. biedt nuttige informatie over andere belangrijke gebeurtenissen uit de 19e eeuw.
Historywiz Een site is op de Amerikaanse Revolutie en biedt conteporary cartoons en andere primaire bronnen goed voor analyse.
Analoge klok tot op een kwartier nauwkeurig Met dit programma leren leerlingen het tijdstip op een analoge klok aflezen tot op een kwartier nauwkeurig. Je kan kiezen om enkel het uur, enkel het halfuur, kwart voor, kwart over of een combinatie van uur, halfuur en kwartier te …
Next steps After completing this unit you may wish to study another OpenLearn Study Unit or find out more about this topic. Here are some suggestions: If you wish to study formally at The Open Universi
Measuring Different Lanes on the Track
In this video segment from Cyberchase, Bianca competes in her first track meet, but doubts the fairness of starting further back in the inside track lane for a 200 meter race.
The Presidency: First Lady Betty Ford
Historian and author Carl Anthony discusses First Lady Betty Ford. The lecture coincides with an exhibit at the museum on Betty Ford s unique life -- - from her Grand Rapids upbringing to a career in fashion and dance, to a congressman s wife, First Lady of the land, to helping millions with breast cancer awareness and overcoming for herself and helping others defeat chemical dependency. (05:41)
Prepare sample - Perform Instrumental Tests/Procedures
An introduction to the use of specific testing equipment in
scientific and medical testing laboratories. Covers sample preparation procedures
used in food and beverage testing.
A Walt Disney Silly Symphony - The Grasshopper and the Ants
A Walt Disney Silly Symphony - The Grasshopper and the Ants Tags: Silly Symphony The Grasshopper and the Ants walt disney cl...
"The Hot Air Show" Episode 6: May 27, 2011
This show will focus on energy subsidies and global energy markets. Panelists will discuss how energy subsidy issues impact domestic and global energy flows. Potential topics to be discussed include: What is the future of our transportation sector and energy independence? Renewable vs. permanent subsidies? Tracing the price at the pump back to energy policy - how close is the link?
Parkinson Disease - Motor Exam - Muscle Tone Sub-exam - Patient 4
This 76-year-old man developed tremor of his right arm and leg 15 years ago. It has increased in severity over the years. A shaking right hand affects his writing, dressing and drinking. Occasional drooling, difficulty rolling over in bed and a soft voice at times are also issues. The tremor has affected his writing and he has mild difficulty with buttons and zippers. He spills when he uses his right hand to drink. He has occasional drooling and slight difficulty rolling over in bed. His voice
