Resources tagged with STEM - physical world similar to Big and Small Numbers in Chemistry:
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Estimating and approximating. physics. Energy. chemistry. Mathematical modelling. engineering. Maths Supporting SET. biology. Investigations. STEM - physical world.There are 35 results
Broad Topics > Applications > STEM - physical world
Big and Small Numbers in Chemistry
Stage: 4 Challenge Level: 
Get some practice using big and small numbers in chemistry.
Big and Small Numbers in Physics
Stage: 4 Challenge Level:
Work out the numerical values for these physical quantities.
Constantly Changing
Stage: 4 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 the Physical World
Stage: 4 Challenge Level:
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
Approximately Certain
Stage: 4 and 5 Challenge Level:
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Electric Kettle
Stage: 4 Challenge Level:
Explore the relationship between resistance and temperature
Bigger or Smaller?
Stage: 4 Challenge Level:
When you change the units, do the numbers get bigger or smaller?
Physnrich
Stage: 4 and 5 Challenge Level:
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
Stemnrich - the Physical World
Stage: 3 and 4 Challenge Level:
PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics
Guessing the Graph
Stage: 4 Challenge Level:
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Choose Your Units
Stage: 4 Challenge Level:
Which units would you choose best to fit these situations?
Does This Sound about Right?
Stage: 3 Challenge Level:
Examine these estimates. Do they sound about right?
A Question of Scale
Stage: 4 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
Stage: 4 and 5 Challenge Level:
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
Investigating the Dilution Series
Stage: 4 Challenge Level:
Which dilutions can you make using only 10ml pipettes?
Chemnrich
Stage: 4 and 5 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. . . .
How Do You React?
Stage: 4 Challenge Level:
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Pinhole Camera
Stage: 3 Challenge Level:
Make your own pinhole camera for safe observation of the sun, and find out how it works.
Heavy Hydrocarbons
Stage: 4 and 5 Challenge Level:
Explore the distribution of molecular masses for various hydrocarbons
Molecular Sequencer
Stage: 4 and 5 Challenge Level:
Investigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.
Perfect Eclipse
Stage: 4 Challenge Level:
Use trigonometry to determine whether solar eclipses on earth can be perfect.
Avalanche!
Stage: 2 and 3 Challenge Level:
Investigate how avalanches occur and how they can be controlled
Reaction Timer
Stage: 3 Challenge Level:
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
Alternative Record Book
Stage: 4 and 5 Challenge Level:
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
Far Horizon
Stage: 4 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?
Speed-time Problems at the Olympics
Stage: 4 Challenge Level:
Have you ever wondered what it would be like to race against Usain Bolt?
Make Your Own Solar System
Stage: 2, 3 and 4 Challenge Level:
Making a scale model of the solar system
Troublesome Triangles
Stage: 2 and 3 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. . . .
Playground Snapshot
Stage: 2 and 3 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?
Temperature
Stage: 3 Challenge Level:
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?
Observing the Sun and the Moon
Stage: 2 and 3 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.
Helicopters
Stage: 2, 3 and 4 Challenge Level:
Design and test a paper helicopter. What is the best design?
NRICH is part of the family of activities in the Millennium Mathematics Project.