Search results

• TLF-IDM018842

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...

• TLF-IDM025129

All you need is water, the sky and sunlight and you’ve got something that’s colourful – with a pot of gold at each end. What is it? A rainbow! Find out what happens to sunlight inside a raindrop, why rainbow colours are always in the same order and the real shape of a rainbow. Tip: it’s not an arch!

• TLF-IDM015401

Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

• TLF-IDM021754

The Careers with STEM Teacher Notes are for teachers, careers counsellors, parents, STEM-based institutions, or mentors that could use the guides to expose and inspire students towards STEM careers.These notes focus on careers with science or careers with health.

• TLF-IDM025393

Much of the world’s population will eventually have to deal with the consequences of sea-level rise, but the question is: how high will the water get? Dr Graham Phillips investigates how scientists are turning to the distant past to predict the impact of rising sea levels. Watch scientists explore 120,000-year-old coastlines, ...

• TLF-IDM021774

This resource book includes ideas to support students’ involvement in investigating, exploring, experimenting, designing, creating and communicating their understandings about game changers and change makers from the past who have solved some of the seemingly unsolvable problems, to game changers and change makers of today, ...

• TLF-IDM021343

Wing loading is a measurement that relates the mass of an aircraft or bird to the total wing area. This resource provides an interactive for students to compare flight capabilities of planes with birds, matching those that are the most similar.

• TLF-IDM025352

This lesson plan investigates ways in which automobile manufacturers seek to reduce injuries that occur in car accidents. Students note the effects of car accidents on human bodies, the factors that influence the type and severity of injuries, and the safety ratings of vehicles in which they travel regularly. The resource ...

• TLF-IDM019773

Investigate population modelling by studying the renowned African lions of the Ngorongoro Crater including real-life scientific data. Analyse graphs and data to answer questions and make predictions about changes in the lion population and other population models. Find out about important ecological and modelling concepts. ...

• TLF-IDM019861

Journey through geological time and discover changes on Earth from the Hadean time, more than 4.5 billion years ago, through to today. Find out about plate tectonics, continental movement, atmospheric conditions, life on Earth, extinction events, fossil sites and much more. Contains many features which include allowing ...