23 Equations

New Extra features for anyone

A new visualisation of the connections between equations and variables in the question.
Uses the underlying physics models that are used to generate questions.
For example questions and model answers.
Alternate between this and view and a more traditional written answer.
Available for schools that have a Your School account for their students.

It's an interactive pack of revision cards for the GCSE Physics equations and their units.

Learn the equations, symbols and units. Explore rearranging and changing units.

Learn more

It's a way to quiz your memory and understanding of units. Always near, ready for any spare moment.

Take tests to measure improvement and focus on particular equations or topics.

It's a question generator, based on models so each question can have unique values.

The models can make similar questions to show examples and model answer to help at any point.

You can ask for a similar question to try again if you get one wrong to test your learning.

With an account for your school, teachers can set tests for students

Students get access to a growing bank of questions, spider models and can do the tests on-line.

Your School accounts...