### There are 26 results

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Applications > STEM - physical world

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

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

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

Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.

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

Work out the numerical values for these physical quantities.

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

Get some practice using big and small numbers in chemistry.

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

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

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

Explore the distribution of molecular masses for various hydrocarbons

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

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

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

How much energy has gone into warming the planet?

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

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

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

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

##### Age 11 to 16 Challenge Level:

PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics

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

Which dilutions can you make using only 10ml pipettes?

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

Use trigonometry to determine whether solar eclipses on earth can be perfect.

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

Which units would you choose best to fit these situations?

##### 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 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 18 Challenge Level:

PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics

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

Make an accurate diagram of the solar system and explore the concept of a grand conjunction.

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

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

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

Explore the relationship between resistance and temperature

##### 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:

An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?

##### Age 7 to 16 Challenge Level:

Making a scale model of the solar system

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

Is it really greener to go on the bus, or to buy local?

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

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

##### Age 7 to 16 Challenge Level:

Design and test a paper helicopter. What is the best design?