All Applications of chemistry articles – Page 16
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Resource
On This Day - Oct 02 : First atomic clock
Atomic clocks keep time using the microwave signal that is emitted when electrons in atoms change energy levels. This early clock, the Atomicron, used the constant frequency from the oscillations of the caesium (Cs) atom at 9,192,631,830 MHz.
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Lesson plan
How was the first artificial dye made? | 16-18 years
Explore organic synthesis and the making of the first artificial dye, mauve, in a lesson plan and directed activity related to text (DART) for 16–18 year olds.
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Lesson plan
Investigating the chemistry of how fireworks work | 14-16 years
Explore the principles behind fireworks and what makes the different colours we see when they go off using this lesson plan with activities for 14–16 year olds.
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Lesson plan
Using a survey to learn what shampoos people use | 11-14 years
Collect and analyse data from surveys, exploring differences between subjective and objective data, using this lesson plan with activities for 11–14 year olds.
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Lesson plan
How do shampoos work? Hair care, acids and bases | 14-16 years
Test shampoos and investigate their ingredients as an application of acid–base chemistry using this lesson plan with practical activities for 14–16 year olds.
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Lesson plan
What are chemical reactions used for? | 11-14 years
Try this lesson plan for 11–14 year olds to explore how chemical reactions are used to produce energy, make new materials or support biological systems.
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Resource
Shampoo and the chemistry of hair care
Discover experiments, a survey and other activities to teach 11–16 year olds about surfactants and acid–base chemistry in the context of hair care and shampoos.
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Resource
Cleaning chemistry: soaps and detergents
Discover practical experiments, investigations and other activities for 11–16 year olds to explore the chemistry of cleaning products like soaps and detergents.
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Resource
The chemistry behind fireworks
Discover practical experiments, a DART and other activities for 11–16 year olds, exploring key chemical concepts in the context of fireworks.