Resources tagged with biology similar to Big and Small Numbers in the Physical World:
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Standard index form/Scientific notation. Matrices. chemistry. biology. Investigations. Maths Supporting SET. engineering. Mathematical modelling. physics. STEM - physical world.There are 21 results
Broad Topics > Applications > biology
Choose Your Units
Stage: 4 Challenge Level: 
Which units would you choose best to fit these situations?
Approximately Certain
Stage: 4 and 5 Challenge Level:
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Bigger or Smaller?
Stage: 4 Challenge Level:
When you change the units, do the numbers get bigger or smaller?
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?
Core Scientific Mathematics
Stage: 4 and 5 Challenge Level:
This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.
Investigating the Dilution Series
Stage: 4 Challenge Level:
Which dilutions can you make using only 10ml pipettes?
Chemnrich
Stage: 4 and 5 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. . . .
Ratios and Dilutions
Stage: 4 Challenge Level:
Scientists often require solutions which are diluted to a particular concentration. In this problem, you can explore the mathematics of simple dilutions
Robot Camera
Stage: 4 Challenge Level:
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Conversion Sorter
Stage: 4 Challenge Level:
Can you break down this conversion process into logical steps?
The Genes of Gilgamesh
Stage: 4 Challenge Level:
Can you work out the parentage of the ancient hero Gilgamesh?
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. . . .
Dilution Series Calculator
Stage: 4 Challenge Level:
Which dilutions can you make using 10ml pipettes and 100ml measuring cylinders?
Mixed up Mixture
Stage: 4 Challenge Level:
Can you fill in the mixed up numbers in this dilution calculation?
Exact Dilutions
Stage: 4 Challenge Level:
Which exact dilution ratios can you make using only 2 dilutions?
Packing 3D Shapes
Stage: 4 Challenge Level:
What 3D shapes occur in nature. How efficiently can you pack these shapes together?
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.
Epidemic Modelling
Stage: 4 and 5 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.
NRICH is part of the family of activities in the Millennium Mathematics Project.