All Investigation articles – Page 2

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Changing the properties of polymers and plastics

Show learners how to plasticize, cross-link and change polymer chains in this set of four practicals into the properties of plastics.
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Polythene bags

Carry home some plastics knowledge with this investigation into the polymer chains of plythene bags.
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Emulsifiers

Demonstrate emulsifiers and emulsions to learners, using food and some simple household items.
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Cooking potatoes

Let learners explore what happens to the chemical structure of a potato during cooking.
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Textile conservation

Explore the conservation of materials through organic chemistry with this investigation into textile conservation.
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Epoxy glues and the ATLAS project: the biggest experiment ever?

Join more than 1800 scientists worldwide simply by making glue, and understanding high energy protons.
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Cross-linking polymers | alginate worms

Making alginate worms is a fun and engaging way to support learners in their investigation of cross-linking polymers.
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Polylactic acid

What is polylactic acid, and how does it help polymers? These questions are explored and answered with practical experiments in this resource.
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Rates and rhubarb

Explore the reaction between oxalic acid and potassium manganate, and see how it effects the concentration and surface area of fresh rhubarb.
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Hydrogels | smart materials

Hydrogels are a part of many every day objects, and this resource helps learners to discover their use and properties.
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A composite material: concrete

As a composite material, concrete requires a balance of ingredients to be effective. Investigate how different additives affect the properties of concrete.
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The importance of structure: chocolate

Bring chemistry and chocolate together to investigate polymorphism, and structural changes affecting material properties.
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Making new medicines | combinatorial chemistry

How do pharmacists create new medicines, and what role does the pharmaceutical industry play in chemical research? Find out with this resource.
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Investigating a natural composite | chicken bone

Two chicken bones are the basis for this exploration into natural composites, where learners understand how each component affects the bone itself.
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Superconductors

Investigate superconductors and their properties, including the structure and bonding of metals, and giant ionic compounds.
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The surfaces of substances

Understand how materials change between their surface behaviour and their bulk behaviour with this resource.
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Plastics

Introduce learners to plastics, how they are used, and what the advantages or disadvantages of using them are.
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Nanotechnology size and scale

Investigate size and scale by comparing a set of objects and choosing which best represents a unit of measurement.
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Nanotechnology and smelly socks

Take a closer look at fabric fibres and the effect of bacteria decay. How does this contribute to smelly socks and what can nanotech do to help?
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Nanosilver in medicine

Silver is known as a precious metal that is prized for jewellery, however it has medicinal properties that learners can explore with this resource.