Water freezes at 0°Celsius (32°Fahrenheit) and boils at 100°C (212°Fahrenheit). Is there a temperature at which Celsius and Fahrenheit readings are the same?
Sea ice covers around 7% of the surface of our planet. This article explores how researchers use mathematical models to study the changes taking place in the polar seas and how these might affect the. . . .
Explore the relationship between resistance and temperature
Investigate how avalanches occur and how they can be controlled
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Get some practice using big and small numbers in chemistry.
Maths is everywhere in the world! Take a look at these images. What mathematics can you see?
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
Explore the distribution of molecular masses for various hydrocarbons
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Is it really greener to go on the bus, or to buy local?
Work out the numerical values for these physical quantities.
How much energy has gone into warming the planet?