Listing all results (6005)

Algal Balls - Photosynthesis Using Algae Wrapped in Jelly Balls

This reliable practical allows students to use algae to look at the rate of photosynthesis with quantifiable and replicable results. In this protocol, the green alga Scenedesmus quadricauda is immobilised in alginate beads. Changes in the colour of hydrogen carbonate indicator solution (also called...

Heart Surgery and Dissection

Make your heart dissection lesson more engaging with this resource.  These materials help students to understand more about how the heart works and also includes a step-by-step guide to dissecting a heart obtained from a butcher.

In the first part of the resource, various aspects of cardiac biology are...

Electrocardiagrams

This resource from the Institute of Physics, describes how electrocardiagrams (ECGs) record the activity of the heart through electrodes placed on a patient's skin. The teacher's notes contain an introduction to ECGs and lesson notes for the associated PowerPoint file. A mark scheme for the worksheet is also...

Clinical Trials

Produced for the Debating Matters competition, this topic guides looks at the use of developing countries for clinical trials. It helps students to understand and debate the issues around this controversial area. There is a concern that powerful companies and research institutions cannot be held to account for...

Investigating osmosis: measuring the water potential of a potato cell

Understanding the osmotic potential of plant cells is a key part of understanding...

Secrets of Cells *suitable for home teaching*

This issue of the Big Picture, from the Wellcome Trust, looks inside the cells that make up every part of the human body. Focussing on animal cells, the articles are suitable for post-16 students or as an extension for 14-16 students. The topics covered include: * What are cells for? * What are the structures of...

Practical Biofuel Activities

This booklet contains background information about the science involved in the field of bioenergy and biofuels. There are also a range of practical activities with instructions. The topics look at sustainable development plant science, microbiology, chemistry and a range of other areas of science and technology,...

Chlorophyll fluorescence

From Solar Spark, this activity allows students to see how chlorophyll can be energised and how this causes it to fluoresce. Chlorophyll in plant leaves absorb red light and pass the energy on to other parts of the plant, hence leaves look green. But if there is nowhere for the energy to go, it gets released as...

Growing Pollen Tubes

One of a series of resources from Science & Plants for Schools (SAPS) investigating key topics in plant biology. An enjoyable and thought-provoking introduction to the topic of sexual reproduction in plants. Students observe in real time the growth of a pollen tube, over the course of a lesson. When a pollen...

Experiments in Science: Time Lapse Video

Richard Needham, from the National STEM Learning Centre and Network, demonstrates how to use time lapse video to speed up action that would otherwise be either too slow to notice within a normal school science lesson, or to provide opportunities to explore gradual changes outside a classroom.

Examples of...

Pages

View all publishers