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Applications > Biology

##### Age 14 to 16 Challenge Level:

Which dilutions can you make using 10ml pipettes and 100ml
measuring cylinders?

##### Age 14 to 16 Challenge Level:

Can you fill in the mixed up numbers in this dilution calculation?

##### Age 14 to 18 Challenge Level:

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

##### Age 14 to 18 Challenge Level:

This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

##### Age 14 to 16 Challenge Level:

Which dilutions can you make using only 10ml pipettes?

##### Age 14 to 16 Challenge Level:

Which exact dilution ratios can you make using only 2 dilutions?

##### Age 14 to 16 Challenge Level:

Scientists often require solutions which are diluted to a
particular concentration. In this problem, you can explore the
mathematics of simple dilutions

##### Age 14 to 18 Challenge Level:

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

##### Age 14 to 16 Challenge Level:

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

##### Age 14 to 16 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?

##### Age 14 to 16 Challenge Level:

Which units would you choose best to fit these situations?

##### Age 14 to 16 Challenge Level:

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

##### Age 14 to 18 Challenge Level:

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

##### Age 14 to 16 Challenge Level:

What 3D shapes occur in nature. How efficiently can you pack these shapes together?

##### Age 14 to 16 Challenge Level:

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

##### Age 14 to 18 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. . . .

##### Age 14 to 18 Challenge Level:

Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.