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Resources tagged with biology similar to Roasting Old Chestnuts:

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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

There are 21 results

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Bionrich

Stage: 4 and 5 Challenge Level: Challenge Level:1

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. . . .

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The Genes of Gilgamesh

Stage: 4 Challenge Level: Challenge Level:1

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

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Packing 3D Shapes

Stage: 4 Challenge Level: Challenge Level:1

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

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Fitting Flat Shapes

Stage: 4 Challenge Level: Challenge Level:1

How efficiently can various flat shapes be fitted together?

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Investigating the Dilution Series

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

Which dilutions can you make using only 10ml pipettes?

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Exact Dilutions

Stage: 4 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

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

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A Question of Scale

Stage: 4 Short Challenge Level: Challenge Level:2 Challenge Level:2

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?

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Dilution Series Calculator

Stage: 4 Challenge Level: Challenge Level:1

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

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Conversion Sorter

Stage: 4 Challenge Level: Challenge Level:1

Can you break down this conversion process into logical steps?

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Natural Shapes

Stage: 4 Challenge Level: Challenge Level:1

What mathematical shapes occur in the natural world?

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Using the Haemocytometer

Stage: 4 Challenge Level: Challenge Level:1

Practise your skills of proportional reasoning with this interactive haemocytometer.

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Mixed up Mixture

Stage: 4 Challenge Level: Challenge Level:1

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

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Core Scientific Mathematics

Stage: 4 and 5 Challenge Level: Challenge Level:1

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

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Big and Small Numbers in Biology

Stage: 4 Challenge Level: Challenge Level:1

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

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Approximately Certain

Stage: 4 Challenge Level: Challenge Level:1

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

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Bio Graphs

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

What biological growth processes can you fit to these graphs?

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More or Less?

Stage: 4 Challenge Level: Challenge Level:1

Are these estimates of physical quantities accurate?

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Stemnrich

Stage: 4 and 5 Challenge Level: Challenge Level:1

stemNRICH is a section of the NRICH site devoted to the mathematics underlying scientific contexts.

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Choose Your Units

Stage: 4 Challenge Level: Challenge Level:1

Which units would you choose best to fit these situations?

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Bigger or Smaller?

Stage: 4 Challenge Level: Challenge Level:1

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

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Time to Evolve

Stage: 4 Challenge Level: Challenge Level:1

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