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Acid Based Solutions

This simulation allows students to:

*Demonstrate an understanding of acid and base strength, given acids or bases at the same concentration, by:

1. Relating the strength of an acid or base to the extent to which it dissociates in water
2. Identifying all of the molecules and ions that are...

Beer's Law Lab

This simulation explores the Beer's Lambert Law. It allows you to make colourful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer.

Curriculum links include:

• Beer's law
• Solutions
• Concentration
• Molarity...

Least Squares Regression

This interactive simulation gives the opportunity for students to explore Least-Squares Regression. There are a number of different options available from the drop-down menu or students can plot their own points. Students then use the sliders to add their own line of best fit, residual lines and squared residuals...


This simulation explores the factors which determine the concentration of a solution. It illustrates the relationships between moles, litres and molarity by adjusting the amount of solute and solution volume.

The moles of solute and the volume of solution (water) can be changed using sliders to make...

Molecules and Light

This simulation can be used to explore how light interacts with molecules in our atmosphere.

Sample learning objectives include:

*Explore how light interacts with molecules in our atmosphere

*Identify that absorption of light depends on the molecule and the type of light

*Relate the...

Molecule Shapes Basics

This simulation allows students to explore molecule shapes by building molecules in 3D and seeing how the molecule's shape changes as atoms are added.

It can be used to demonstrate that:

*The molecule shape is due to repulsions between atoms.

*The bonds are not fixed in place, but can rotate...

Fetch, Execute, Decode

This is a Flash animation demonstrating the fetch and execute cycle. The aim is to visually show the interaction between the different parts of the CPU and the movement along buses.

The model is hypothetical, so does not accurately reflect the components of real processors.

It would be most useful...

An Introduction to Python (v2.7 and v3)

This learning resource is an introduction to programming with Python. Versions are included for Python 2.7 and Python 3.

The fundamentals of programming are covered:
• Arithmetic operations
• Data types
• Control flow

As well as some more advanced techniciques including the use of:...

Build or buy?

This series of Core Maths activities involves mortgage finance, interest rates, income tax, national insurance, scheduling, Gantt diagrams and estimation. The tasks can form a large project or be used as stand-alone lessons.

Build or Buy: Teacher Guidance
The teacher guidance package...

Borrowing money

In this Core Maths resource students are asked to evaluate the offers and figures from three banks in order to decide which one is best for their company to borrow from. The resource involves students calculating the interest incurred using an Excel spreadsheet.

Borrowing money: Lesson Plan...


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