# Resources tagged with: Investigations

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### There are 55 results

Broad Topics > Thinking Mathematically > Investigations

### Powerfully Fast

##### Age 16 to 18Challenge Level

Explore the power of aeroplanes, spaceships and horses.

### Genetic Intrigue

##### Age 16 to 18

Dip your toe into the fascinating topic of genetics. From Mendel's theories to some cutting edge experimental techniques, this article gives an insight into some of the processes underlying. . . .

### Escape from Planet Earth

##### Age 16 to 18Challenge Level

How fast would you have to throw a ball upwards so that it would never land?

### The Power of Dimensional Analysis

##### Age 14 to 18

An introduction to a useful tool to check the validity of an equation.

### Bessel's Equation

##### Age 16 to 18Challenge Level

Get further into power series using the fascinating Bessel's equation.

### Making More Tracks

##### Age 16 to 18Challenge Level

Given the equation for the path followed by the back wheel of a bike, can you solve to find the equation followed by the front wheel?

### Diamonds Aren't Forever

##### Age 16 to 18Challenge Level

Ever wondered what it would be like to vaporise a diamond? Find out inside...

### Modelling Assumptions in Mechanics

##### Age 16 to 18

An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.

### Taking Trigonometry Series-ly

##### Age 16 to 18Challenge Level

Look at the advanced way of viewing sin and cos through their power series.

### Scale Invariance

##### Age 16 to 18Challenge Level

By exploring the concept of scale invariance, find the probability that a random piece of real data begins with a 1.

### A Different Differential Equation

##### Age 16 to 18Challenge Level

Explore the properties of this different sort of differential equation.

### Mach Attack

##### Age 16 to 18Challenge Level

Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.

### Chance of That

##### Age 16 to 18Challenge Level

What's the chance of a pair of lists of numbers having sample correlation exactly equal to zero?

##### Age 14 to 18Challenge Level

Some of our more advanced investigations

### Trig-trig

##### Age 16 to 18Challenge Level

Explore the properties of combinations of trig functions in this open investigation.

### Stirling Work

##### Age 16 to 18Challenge Level

See how enormously large quantities can cancel out to give a good approximation to the factorial function.

### More Bridge Building

##### Age 16 to 18Challenge Level

Which parts of these framework bridges are in tension and which parts are in compression?

### Building Approximations for Sin(x)

##### Age 16 to 18Challenge Level

Build up the concept of the Taylor series

### Sextet

##### Age 16 to 18Challenge Level

Investigate x to the power n plus 1 over x to the power n when x plus 1 over x equals 1.

### Smoke and Daggers

##### Age 16 to 18Challenge Level

We all know that smoking poses a long term health risk and has the potential to cause cancer. But what actually happens when you light up a cigarette, place it to your mouth, take a tidal breath. . . .

### What Salt?

##### Age 16 to 18Challenge Level

Can you deduce why common salt isn't NaCl_2?

### Reaction Rates!

##### Age 16 to 18

Fancy learning a bit more about rates of reaction, but don't know where to look? Come inside and find out more...

### Clear as Crystal

##### Age 16 to 18Challenge Level

Unearth the beautiful mathematics of symmetry whilst investigating the properties of crystal lattices

### CSI: Chemical Scene Investigation

##### Age 16 to 18Challenge Level

There has been a murder on the Stevenson estate. Use your analytical chemistry skills to assess the crime scene and identify the cause of death...

### Global Warming

##### Age 14 to 16Challenge Level

How much energy has gone into warming the planet?

### Very Old Man

##### Age 16 to 18Challenge Level

Is the age of this very old man statistically believable?

##### Age 16 to 18

Read about the mathematics behind the measuring devices used in quantitative chemistry

### What Do Functions Do for Tiny X?

##### Age 16 to 18Challenge Level

Looking at small values of functions. Motivating the existence of the Taylor expansion.

### Which Twin Is Older?

##### Age 16 to 18

A simplified account of special relativity and the twins paradox.

### Few and Far Between?

##### Age 16 to 18Challenge Level

Can you find some Pythagorean Triples where the two smaller numbers differ by 1?

### Big and Small Numbers in the Living World

##### Age 11 to 16Challenge Level

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

### Big and Small Numbers in Physics

##### Age 14 to 16Challenge Level

Work out the numerical values for these physical quantities.

### Geometry and Gravity 1

##### Age 11 to 18

This article (the first of two) contains ideas for investigations. Space-time, the curvature of space and topology are introduced with some fascinating problems to explore.

### Big and Small Numbers in the Physical World

##### Age 14 to 16Challenge Level

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

### Big and Small Numbers in Chemistry

##### Age 14 to 16Challenge Level

Get some practice using big and small numbers in chemistry.

### Robot Camera

##### Age 14 to 16Challenge Level

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

### Perfect Eclipse

##### Age 14 to 16Challenge Level

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

### A Rational Search

##### Age 16 to 18Challenge Level

Investigate constructible images which contain rational areas.

### Bent Out of Shape

##### Age 14 to 18Challenge Level

An introduction to bond angle geometry.

### Designing Table Mats

##### Age 11 to 16Challenge Level

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

### Alternative Record Book

##### Age 14 to 18Challenge Level

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

### Witch's Hat

##### Age 11 to 16Challenge Level

What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?

### Operating Machines

##### Age 16 to 18Challenge Level

What functions can you make using the function machines RECIPROCAL and PRODUCT and the operator machines DIFF and INT?

### Snookered

##### Age 14 to 18Challenge Level

In a snooker game the brown ball was on the lip of the pocket but it could not be hit directly as the black ball was in the way. How could it be potted by playing the white ball off a cushion?

### Problem Solving: Opening up Problems

##### Age 5 to 16

All types of mathematical problems serve a useful purpose in mathematics teaching, but different types of problem will achieve different learning objectives. In generalmore open-ended problems have. . . .

### Carbon Footprints

##### Age 14 to 16Challenge Level

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

### Spokes

##### Age 16 to 18Challenge Level

Draw three equal line segments in a unit circle to divide the circle into four parts of equal area.

### Peeling the Apple or the Cone That Lost Its Head

##### Age 14 to 16Challenge Level

How much peel does an apple have?

### Eight Ratios

##### Age 14 to 16Challenge Level

Two perpendicular lines lie across each other and the end points are joined to form a quadrilateral. Eight ratios are defined, three are given but five need to be found.