Puzzles, Projects and Games

No revision? Something to do now the exams are over.

Games  –   Puzzles   –   Projects  –   Videos

What’s new? JDF Challenge cards     Videos

Science games and simulations


Lunar Lander simulator

NASA’s Space Place Primary level space games

Mechanics and technology

Bridge Builder

Cargo Bridge


Interactive games from the Royal Institution….. (may not work on mobiles or tablets)

Simulations from PhET  Interactive Simulations
University of Colorado Boulder  http://phet.colorado.edu

Game about moments (the lever law)  Simple moment simulation

Forces and motion  Simulation about the Lever Law

Springs and Hookes Law  Learn about Hookes Law

How friction heats up a surface (Kinetic theory simulation)

Density Learn about density by seeing what floats

Energy Change   Kinetic, potential and intenal energy change

pH scale  Test the pH of different substances

Colour mixing   See what happen when different colours are mixed together

Build an Atom (GCSE)

Refraction (GCSE)

Balancing an equation (GCSE)  

Balancing chemical formula (GCSE)



The magic triangle

A triangle can be made by arranging 4 shapes on a 5 x 13 grid.
By re-arranging the shapes a new triangle can be made.
The  pieces in the lower triangle are exactly the same as those in the upper triangle, but now seem to take up less space so there is one blank square


Where does the white square come from?

Hover your mouse here for the solution

Here is another similar puzzle:

4 similar qudrilateral shapes are arranged into a square.
If each is rotated by 180º they make a similar square but there is a piece missing in the middle.
Where does the extra space come from?

Hover your mouse here for the solution

Bear Puzzle

A bear walks 1 kilometre south, 1 kilometre west and then 1 kilometre north
He ends up in exactly the same place he started.
What colour is the bear.

Hover your mouse here for the solution

4 litres of water problem

You are camping be the edge of a stream and a recipe calls for EXACTLY 4 litres of water.
bottlesUnfortunately you only have two empty containers, one that holds 3 litres of water and one that holds 5 litres.

How can you get exactly 4 litres (you can fill and empty the containers as many times as you like using water from the stream).

Hover your mouse here for the solution


Projects and interesting reading

Explore NASA science 

JDF Challenge Cards    Interesting mini-projects from the James Dyson Foundation


Interesting videos

How the ‘Magnus effect’ helps you curve a football into the goal.

Dropping a feather in a vacuum

Landing on the Moon

The lift-off of Apollo 11

Flying over planet Earth

A time-lapse taken from the front of the International Space Station as it orbits our planet at night. This movie begins over the Pacific Ocean and continues over North and South America before entering daylight near Antarctica. Visible cities, countries and landmarks include (in order) Vancouver Island, Victoria, Vancouver, Seattle, Portland, San Francisco, Los Angeles. Phoenix. Multiple cities in Texas, New Mexico and Mexico. Mexico City, the Gulf of Mexico, the Yucatan Peninsula, El Salvador, Lightning in the Pacific Ocean, Guatemala, Panama, Colombia, Ecuador, Peru, Chile, Lake Titicaca, and the Amazon. Also visible is the earths ionosphere (thin yellow line), a satellite (55sec) and the stars of our galaxy. You can also see flashes of lightening from storms.

The Aurora Australis

Here’s a video of the Aurora Australis (Southern Lights) using shots taken by astronauts aboard ISS.
(In the Northern hemisphere we are more familar with the Aurora Borealis or Northern Lights which are seen over the North Pole)

The green above Earth are energetic aurora – as seen from ISS while it flew 225 miles over the southern Indian Ocean on September 17, 2011. This 34-second video actually spans about 23 minutes of time.

The Aurora is an incredible light show caused by collisions between electrically charged particles released from the sun that enter the earth’s atmosphere and collide with gases such as oxygen and nitrogen. The lights are seen around the magnetic poles of the northern and southern hemispheres.

Some videos from NASA

These videos could be used as a starting point for a PowerPoint project on Global Warming

NASA have an app to let you look at their huge collection of images (over 15000) and videos.
Come explore with NASA and discover the latest images, videos, mission information.



Some inventions
I am not trying to endorse any of the products shown, but just trying to show you that inventing things is easy.
If you have an idea talk to your Sciuence or Technology teacher and see if he can help you make a prototype.