This collection includes a number of resources on a healthy diet, tooth decay, types of teeth, and how to brush your teeth correctly. The resources have been provided by The Online Dentist.

This collection includes a number of resources on a healthy diet, tooth decay, types of teeth, and how to brush your teeth correctly. The resources have been provided by The Online Dentist.

This resource introduces the topic of oral hygiene, healthy diet and the importance of dentist visits. The resource has been provided by The Online Dentist.

This resource includes subject knowledge notes for teachers and an overview of the learning objectives for all of the children’s activities provided by The Online Dentist. Objectives include learning about different types of animal teeth and how they are suited to different diets and information about dental...

This online ecology practical, from SAPS, uses random sampling to measure the abundance of various different species on an area of grassland.

Objectives

To give students practice at

• using random sampling to measure the abundance of various different species on an area of...

In this resource from SAPS, students learn about random sampling, diversity and different measures of abundance, before looking at close-up photographs of quadrats and using the field guide to identify them. The resources are intended to help students develop skills and plant identification techniques before going...

This online ecology practical, by SAPS, is designed to give students an opportunity to see how systematic sampling can be used to

• investigate changes in species richness across a footpath
• the distribution of species across a footpath

These online exercises are not intended as a...

In this resource, produced by ARKive, students explore the role of the opposable thumb in primates and look at how this adaptation helps many different species in accomplishing tasks essential for survival. A presentation introduces the definition of an opposable thumb and looks at species that have this adaptation...

This publication, from the Technology Enhancement Programme (TEP) covers optics and optical principles which are used in a wide range of products and communication systems. These include, for example, measuring instruments, cameras, machine tools, video cameras, CD players and fibre-optic-based communication...

This activity is an ideal way to introduce the concept of chirality and optical isomerism to students.

During the lesson they first learn to recognise ...

Produced by the Technology Enhancement Programme (TEP), these images are useful for adding to documents, presentations or for use with an interactive whiteboard. Mainly simple line drawings, they can be cut and pasted into documents and image processing applications. The images in this resource are related to the...

In this video, Cathie Wells from the University of Reading talks about how she is helping aircraft conserve fuel which reduces greenhouse gas emissions by making use of high resolution forecasts of three dimensional wind speeds in the atmosphere. In the associated activity, students are asked to calculate the best...

The purposes of this Revised Nuffield Chemistry option were to review the historical development of a field of chemistry with special reference to its applied and social aspects; to study the life and work of one or more famous scientists working in the field; to create an interest in the original writings of...

The first option of Revised Nuffield Chemistry explored the remarkable properties of water and sought to explain them in terms of the polarity of water molecules and hydrogen bonding. Experiments also investigated the properties of detergents and hardness of water. A further topic was the monitoring of water...

Experimental work in this Revised Nuffield Chemistry option explored the characteristic properties of different types of colloid. The everyday importance of colloids was emphasised and this included a section about cosmetics.

Contents

1. What is a colloid?

2. Sols and gels...