Resources tagged with: STEM - physical world

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Broad Topics > Cross-curricular Contexts > STEM - physical world

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.

Does This Sound about Right?

Age 11 to 14
Challenge Level

Examine these estimates. Do they sound about right?

Global Warming

Age 14 to 16
Challenge Level

How much energy has gone into warming the planet?

Electric Kettle

Age 14 to 16
Challenge Level

Explore the relationship between resistance and temperature

Big and Small Numbers in Chemistry

Age 14 to 16
Challenge Level

Get some practice using big and small numbers in chemistry.

Choose Your Units

Age 14 to 16
Challenge Level

Which units would you choose best to fit these situations?

Bigger or Smaller?

Age 14 to 16
Challenge Level

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

Approximately Certain

Age 14 to 18
Challenge Level

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

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 Physics

Age 14 to 16
Challenge Level

Work out the numerical values for these physical quantities.

Speed-time Problems at the Olympics

Age 14 to 16
Challenge Level

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

Carbon Footprints

Age 14 to 16
Challenge Level

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

Alternative Record Book

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.

Perfect Eclipse

Age 14 to 16
Challenge Level

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

Programming: Moiré Patterns

Age 11 to 16

We need computer programmers! Logo is a great entry-level programming language - and you can create stunning graphics while you learn.

Pinhole Camera

Age 11 to 14
Challenge Level

Make your own pinhole camera for safe observation of the sun, and find out how it works.

Stemnrich - the Physical World

Age 11 to 16
Challenge Level

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

Far Horizon

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?

Guessing the Graph

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?

How Do You React?

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...

A Question of Scale

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?

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.

Physnrich

Age 14 to 18
Challenge Level

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

Investigating the Dilution Series

Age 14 to 16
Challenge Level

Which dilutions can you make using only 10ml pipettes?

Avalanche!

Age 7 to 14
Challenge Level

Investigate how avalanches occur and how they can be controlled

Troublesome Triangles

Age 7 to 14
Challenge Level

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .

Chemnrich

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. . . .

Heavy Hydrocarbons

Age 14 to 18
Challenge Level

Explore the distribution of molecular masses for various hydrocarbons

Reaction Timer

Age 11 to 14
Challenge Level

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

Helicopters

Age 7 to 16
Challenge Level

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

Make Your Own Solar System

Age 7 to 16
Challenge Level

Making a scale model of the solar system

Temperature

Age 11 to 14
Challenge Level

Is there a temperature at which Celsius and Fahrenheit readings are the same?

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.

Observing the Sun and the Moon

Age 7 to 14
Challenge Level

How does the time of dawn and dusk vary? What about the Moon, how does that change from night to night? Is the Sun always the same? Gather data to help you explore these questions.

Playground Snapshot

Age 7 to 14
Challenge Level

The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?