Challenge Level

Work with numbers big and small to estimate and calculate various quantities in physical contexts.

Challenge Level

Work with numbers big and small to estimate and calculate various quantities in biological contexts.

Challenge Level

Work with numbers big and small to estimate and calulate various quantities in biological contexts.

Challenge Level

How would you go about estimating populations of dolphins?

Challenge Level

Examine these estimates. Do they sound about right?

Challenge Level

Work out the numerical values for these physical quantities.

Challenge Level

Get some practice using big and small numbers in chemistry.

Challenge Level

Analyse these beautiful biological images and attempt to rank them in size order.

Challenge Level

When you change the units, do the numbers get bigger or smaller?

Challenge Level

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

Challenge Level

Which units would you choose best to fit these situations?

Challenge Level

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

Challenge Level

Explore the relationship between resistance and temperature

Challenge Level

Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?

Challenge Level

If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?

Challenge Level

In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?

Challenge Level

Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?

Challenge Level

Have you ever wondered what it would be like to race against Usain Bolt?

Challenge Level

Use trigonometry to determine whether solar eclipses on earth can be perfect.

Challenge Level

Make your own pinhole camera for safe observation of the sun, and find out how it works.

Challenge Level

To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...

Challenge Level

Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

Challenge Level

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

The design technology curriculum requires students to be able to represent 3-dimensional objects on paper. This article introduces some of the mathematical ideas which underlie such methods.

Challenge Level

Is it really greener to go on the bus, or to buy local?

Challenge Level

10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?

Challenge Level

Various solids are lowered into a beaker of water. How does the water level rise in each case?

Challenge Level

Formulate and investigate a simple mathematical model for the design of a table mat.

Challenge Level

Which dilutions can you make using only 10ml pipettes?

Challenge Level

These Olympic quantities have been jumbled up! Can you put them back together again?

Challenge Level

In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.

Challenge Level

Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?

Challenge Level

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

Challenge Level

Where should runners start the 200m race so that they have all run the same distance by the finish?

Challenge Level

Two trains set off at the same time from each end of a single straight railway line. A very fast bee starts off in front of the first train and flies continuously back and forth between the. . . .

Challenge Level

Can you sketch graphs to show how the height of water changes in different containers as they are filled?

Challenge Level

Can you work out which processes are represented by the graphs?

Challenge Level

An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?

Challenge Level

Can you draw the height-time chart as this complicated vessel fills with water?

Challenge Level

What shape would fit your pens and pencils best? How can you make it?

Challenge Level

Can you deduce which Olympic athletics events are represented by the graphs?

Challenge Level

Starting with two basic vector steps, which destinations can you reach on a vector walk?