Scientific Calculation

This collection of STEM resources is based on scientific calculation.  Resources are listed in order of stage.

Does This Sound about Right?

Age 11 to 14
Challenge Level

Examine these estimates. Do they sound about right?

Big and Small Numbers in the Living World

Age 11 to 16
Challenge Level

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

Time to Evolve

Age 14 to 16
Challenge Level

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

Perfect Eclipse

Age 14 to 16
Challenge Level

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

Global Warming

Age 14 to 16
Challenge Level

How much energy has gone into warming the planet?

Big and Small Numbers in Physics

Age 14 to 16
Challenge Level

Work out the numerical values for these physical quantities.

Big and Small Numbers in the Physical World

Age 14 to 16
Challenge Level

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

Carbon Footprints

Age 14 to 16
Challenge Level

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

Big and Small Numbers in Biology

Age 14 to 16
Challenge Level

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

Constantly Changing

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.

Big and Small Numbers in Chemistry

Age 14 to 16
Challenge Level

Get some practice using big and small numbers in chemistry.

More or Less?

Age 14 to 16
Challenge Level

Are these estimates of physical quantities accurate?

Bigger or Smaller?

Age 14 to 16
Challenge Level

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

Construct the Solar System

Age 14 to 18
Challenge Level

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

Approximately Certain

Age 14 to 18
Challenge Level

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

Heavy Hydrocarbons

Age 14 to 18
Challenge Level

Explore the distribution of molecular masses for various hydrocarbons

Molecular Sequencer

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.