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Plants

This issue of Big Picture provides lots of interesting information about flowering plants and their uses. 

The plant hormones animation explores the action of indole-3-acetic acid (IAA) and shows how scientists used experimental evidence to explain the role of auxins in a phototrophic response.

The...

The Greenhouse Effect

This short animation film joins the alien, Paxi, as he investigates the greenhouse effect and greenhouse gases and the effect they have on the Earth’s atmosphere. He explores how human activity, such as cars, factories, and food production have increased the amount of carbon dioxide trapped in the...

Fractional Distillation *suitable for home teaching*

This film, form Twig World, looks at how the industrial process of fractional distillation transforms crude oil into a variety of products, from plane fuel to road surfacing. The key points made in the film are: •Extraction of crude oil from Fractional Distillation gives us many useful products. •First it is...

What is a Volcano?

This film, from Twig World, looks at the cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact. The key points made in the film are: •Volcanoes are landforms that occur along plate boundaries. •Volcanoes consist of a magma chamber, main...

The Water Cycle

This short animation film joins the alien, Paxi, as he investigates the water cycle. He explains how important water is to life on Earth and how it moves around the Earth.  Paxi delves into the processes of evaporation, condensation, precipitation and collection.

Intriguing Ice

This video demonstrates an experiment which may be used when learning about changing state. Different kinds of liquid are frozen and the results observed and discussed. Pre-boiled water results in a mostly clear ice, salt water a cloudy ice, lemonade an ice...

Career Clips: Forces and motion in computer games. *suitable for home teaching*.

From the Institute of Physics, this seven minute film showcases how an understanding of forces and motion is required to develop certain video games. It looks at the work of a company which develops computer models that ensure objects and people in video games adhere to real world laws of motion. The work is an...

Suspended Ice

This video from the Royal Society of Chemistry (RSC), aimed at primary teachers, demonstrates an experiment on density which may be used when learning about separating mixtures and the properties of liquids. Oil, water and an ice cube are all put in a clear container and the resulting levels compared. The oil...

Cell Signalling *suitable for home teaching*

Produced in 2014, this resource looks at cell signalling when the hormone adrenaline binds to receptors on the surface of the target cell. The resource sheets describe how the original hormonal signal is amplified through a cascade reaction.

Supporting videos explain key areas of working scientifically,...

Mass Spectroscopy *suitable for home teaching*

This resource looks at how cutting edge science is being used to answer archaeological questions, as well as solving present day problems, such as the identification of meat in processed foods. Analysis of mitochondrial DNA was performed, at the University of York, on samples from skeletal remains unearthed by the...

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