This article discusses how toxic gases gases can be useful in medicine, carbon monoxide is a poisonous gas but it can also help to treat some diseases.

The article is from Catalyst: Secondary Science Review 2015, Volume 25, Issue 4.

Catalyst...

This Catalyst article presents a series of photographs from NASA Satellites tracking Hurricane Ike from space.

This article is from Catalyst: Secondary Science Review 2008, Volume 19, Issue 2.

Catalyst is a science magazine for students...

This podcast from the Planet Earth Online collection and the Natural Environment Research Council (NERC) looks at how tracking insects can help scientists forecast summer storms and floods, and the role one of Europe's key satellite missions played in the recent floods in Queensland, Australia.

The huge...

Kamlah Kew focuses on traffic lights - designing the layout, changing timings and checking the signals work properly. Tomorrow’s Engineers spoke to Kamlah and she told us about how she loves combining her creative and practical skills to make a difference to people’s lives every day.

Jennie is an apprentice Traffic Maintenance Engineer at Transport for London watching over London's traffic lights, signposts and junctions to keep everyone safe as they drive to work.

In this resource the time is given for a train to pass a signal. The time is also given for a train to completely pass through a tunnel. It is assumed that the train is travelling at constant speed. The task is to calculate the length of the train.

Solving the problem requires the use of the formula for...

These diagnostic questions and response activities (contained in the zip file) support students in being able to:

• Describe how the sensation of hotness is caused by vibrating particles.
• Describe the mechanism of thermal conduction that can occur in all solids.
• Explain why metals are...

In this interactive golf game from Subtangent the player has to get the ball in the hole by choosing the most effective geometric transformations to beat the target score for each hole.

There are two versions of the...

This interactive excel program allows students to explore the relationship between the transformation of functions and the associated graphs. Functions explored are straight lines, quadratic and cubic functions as well as sine and cosine curves. Each type of function...

This interactive excel program allows students to explore the relationship between the transformation of functions and the associated graphs. Functions explored are straight lines, quadratic and cubic functions as well as sine and cosine curves. Each type of function...

This interactive resource, produced by the University of Leicester, is designed to enable students to explore transformations of functions including translations, stretches, reflection in the axes and rotations.

The first activity uses function notation to explore translations parallel to the x axis and...

This interactive resource, produced by the University of Leicester, is designed to enable students to explore transformations of shapes including translation by a vector, stretches, rotations around a point, reflection in the axes and reflections in the lines y=x and y=-x.

The first activity draws a...

This resource consists of four interactive excel files dealing with single transformations of 2D shapes.

Transformation: Enlargement...

The properties of a transformer are investigated in this video, specifically how the number of turns on the coils affects the output. 

This lesson develops the concept of transformations. In particular students will:

• Describe in words the transformation that maps an object to a transformed image
• Given a geometric figure and a transformation, draw the transformed figure
• Describe transformations as algebraic functions...