Explore the distribution of molecular masses for various hydrocarbons
Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
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. . . .
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Making a scale model of the solar system
Work out the numerical values for these physical quantities.
Which dilutions can you make using only 10ml pipettes?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
When you change the units, do the numbers get bigger or smaller?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
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?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Get some practice using big and small numbers in chemistry.
Explore the relationship between resistance and temperature
Which units would you choose best to fit these situations?
How much energy has gone into warming the planet?
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Is it really greener to go on the bus, or to buy local?
Design and test a paper helicopter. What is the best design?
Have you ever wondered what it would be like to race against Usain Bolt?
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.