Search by Topic

Filter by: Content type:
Stage:
Challenge level:

There are 33 results

Broad Topics > Applications > STEM - living world

A Question of Scale

Stage: 4 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?

Reaction Timer

Stage: 3 Challenge Level:

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

Terrariums

Stage: 3 Challenge Level:

Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.

Flower Power

Stage: 3 and 4 Challenge Level:

Create a symmetrical fabric design based on a flower motif - and realise it in Logo.

Investigating Epidemics

Stage: 3 and 4 Challenge Level:

Simple models which help us to investigate how epidemics grow and die out.

Bird Watch

Stage: 2 and 3 Challenge Level:

Do you know which birds are regular visitors where you live?

Food Chains

Stage: 3 Challenge Level:

When a habitat changes, what happens to the food chain?

Food Web

Stage: 3 Challenge Level:

Is this eco-system sustainable?

Robot Camera

Stage: 4 Challenge Level:

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

Genetics

Stage: 4 Challenge Level:

A problem about genetics and the transmission of disease.

Biology Measurement Challenge

Stage: 4 Challenge Level:

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

Stage: 3 Challenge Level:

Examine these estimates. Do they sound about right?

Maths Is Everywhere!

Stage: 3 and 4 Challenge Level:

Maths is everywhere in the world! Take a look at these images. What mathematics can you see?

Weekly Challenge 48: Quorum-sensing

Stage: 4 Short Challenge Level:

This problem explores the biology behind Rudolph's glowing red nose.

Alternative Record Book

Stage: 4 and 5 Challenge Level:

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

Counting Dolphins

Stage: 4 Challenge Level:

How would you go about estimating populations of dolphins?

Speed-time Problems at the Olympics

Stage: 4 Challenge Level:

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

Big and Small Numbers in the Living World

Stage: 3 and 4 Challenge Level:

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

Like Father Like Son

Stage: 4 Short Challenge Level:

What is the chance I will have a son who looks like me?

How Do You React?

Stage: 4 Challenge Level:

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

Approximately Certain

Stage: 4 and 5 Challenge Level:

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

The Genes of Gilgamesh

Stage: 4 Challenge Level:

Can you work out the parentage of the ancient hero Gilgamesh?

Scientific Measurement

Stage: 4 Challenge Level:

Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.

Investigating the Dilution Series

Stage: 4 Challenge Level:

Which dilutions can you make using only 10ml pipettes?

Using the Haemocytometer

Stage: 4 Challenge Level:

Practise your skills of proportional reasoning with this interactive haemocytometer.

Natural Shapes

Stage: 4 Challenge Level:

How does shape relate to function in the natural world?

Stage: 4 Challenge Level:

Which units would you choose best to fit these situations?

Time to Evolve

Stage: 4 Challenge Level:

How many generations would link an evolutionist to a very distant ancestor?

Bio Graphs

Stage: 4 Challenge Level:

What biological growth processes can you fit to these graphs?

Bigger or Smaller?

Stage: 4 Challenge Level:

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

More or Less?

Stage: 4 Challenge Level:

Are these estimates of physical quantities accurate?

Big and Small Numbers in Biology

Stage: 4 Challenge Level:

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

Bionrich

Stage: 4 and 5 Challenge Level:

bioNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of the biological sciences, designed to help develop the mathematics required to get the most from your. . . .