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ARTICLE

Plasmas explained

We happily live in the Earth’s gaseous lower atmosphere composed of a mixture of gases – primarily nitrogen and oxygen. However, if we move upwards from the Earth’s surface, the environment ...

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ARTICLE

Does blood have magnetic properties?

Blood contains haemoglobin. Haemoglobin is an iron (Fe) containing protein that transports oxygen around the body from the lungs to where it is needed, like the brain or muscles. The structure of ...

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ARTICLE

Space plasma

Stars like our Sun are made of ionised gas known as plasma. In fact, space is dominated by plasma – space scientists (astrophysicists) believe that about 99% of matter in the universe is plasma ...

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ACTIVITY

Make an electric motor

Three historic discoveries were instrumental in the development of electric motors – the invention of the battery by Alessandro Volta in 1800, the generation of a magnetic field from electric ...

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ARTICLE

Magnetic resonance imaging (MRI)

Magnetic resonance imaging (MRI) can be used to detect things an X-ray can’t. MRI can look for disease, bleeding, Parkinson’s disease and head injuries. For example, we can use MRI to image water ...

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ACTIVITY

Making a weather vane and compass

The earliest weather vane we know about was in Greece in 48 BC, erected in honour of the Greek god Triton. It became quite popular for the houses of the wealthy Greeks around this time to have ...

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ARTICLE

Fossil compasses

The Earth has a magnetic field around it, and some magnetic minerals line up with that field. A compass also lines up in the field so that one end points north. The polarity of the Earth’s ...

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TEACHER PLD

Exploring magnetism

In this recorded professional learning session, Lyn Rogers and Dr Simon Taylor explore aspects of magnetism. They: explore how magnetism can be used as a context to engage students in scientific ...

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ARTICLE

Introducing magnetism

Magnetism is a fascinating invisible force – it influences the environment around it. A magnet is a material that can pull certain types of metal towards itself. Unlike many other forces ...

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ACTIVITY

Probing fridge magnets

In this activity, students investigate the pattern of magnetic fields on a fridge magnet. This will give them an idea of the principle behind scanning probe and magnetic force microscopes. By the ...

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ACTIVITY

Investigating magnetism

Magnetism is an engaging context for science learning, and investigating the properties of magnets is a great activity for building curiosity. Moving students from simply playing with magnets to ...

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ARTICLE

Using magnetism

What is magnetism used for? Do you have fridge magnets? Have you ever noticed that the refrigerator door pulls itself shut when you start to close it? These magnets are exactly like the bar ...

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ACTIVITY

n-back test

In this activity, students practise and then design n-back tests. By the end of this activity, students should be able to: understand how the n-back test works explain the role of MRI in testing ...

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ACTIVITY

Making an electromagnet

Magnetism and electricity are forces generated by the movement of electrons. They are both electromagnetic forces – the interplay of these two forces is the basis for many modern technologies ...

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