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Gelli baff

Gelli Baff, a crystalline powder, has been dumped into a bathtub filled with water. How can you force the hydrogel to go down the plughole in order to drain the bathtub? 

In this investigation, students learn about swelling reactions, balanced reactions, and polymerisation. Students should be able to...

Grit on the streets

In the context of finding out why we grit roads in winter, students are shown what happens when salt is sprinkled onto ice lollies.  They are then asked If they believe that the temperature of the ice lolly with the salt will increase or decrease, causing it to melt faster. Students then investigate some...

Mysterious eggs

In this mystery, students make a hypothesis based on the old saying that a rotten egg floats when put in fresh water, and fresh eggs sink.   This is a good investigation to discuss margin of error and the validity of the results.

Curriculum links include density, Archimedes, buoyancy.

Murder of the jeweller

The mystery revolves round a detective story which the students gradually solve. A jeweller has been murdered: the suspects are his metal suppliers but the motive and the culprit are initially unknown.

Students have samples of the various metals with which the jeweller worked. They find out the metals’...

Sea sand overseas

The mystery deals with sand that stays dry when water is poured onto it. Students are requested to find ways to build sand castles with this 'dry' sand.

Curriculum links include:  Chemical bonding, hydrophobic and hydrophilic interactions and compounds
 

Dr Mark's STEM Investigation Activities e-Book

A selection of 60 FREE fun and novel Science & Maths activities and investigations to have a go at - about half are Science and half are Maths - either in class, at home or in STEM clubs. The FREE e-book contains about 200 or so pages of detailed instructions, which are all drawn from Dr Mark's retail...

Beyond Fair Testing: Teaching Different Types of Scientific Enquiry

The materials provide teachers with examples of different enquiry types, e.g. classifying and identifying, developing systems, and pattern seeking.  The booklet provides an overview of the enquiries and the particular approaches used. Scientists use many different ways to collect evidence, but a survey undertaken...

Techniquest Glyndŵr support for STEM/Science Clubs

 

Techniquest Glyndŵr is able to deliver one-off support or a short series of visits to enhance school based After School Science or STEM Clubs.

 

 

 

Drawing upon its extensive range of educational shows, workshops and its extremely popular...

Biozone quiz: enzymes

A crossword covering enzyme action, inhibition, and activation energy.

Exploring Chemistry in SEND Schools

These six practical lessons are the result of a collaboration between Dr Sarah Bearchell (science specialist) and the pupils and staff at John Watson School and Frank Wise School. They have been tested in the classroom and by SEND school teachers at the Association for Science Education conference. The work was...

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