Colored Sand |
art supply e.g http://www.dickblick.com/ |
Wood (MDO recommended) |
hardware store |
Fine play sand |
hardware store |
3M Duct Tape or Superglue |
hardware store |
talcum powder |
pharmacy |
Glass cleaner (e.g. Windex) |
grocery or hardware store |
Water repellant for glass (e.g. Rainex) |
automotive or hardware store |
1 1/4" Philips screws |
hardware store |
|
These should be used to secure the wall mount supports and the lead screw collars |
Duct Tape |
hardware store |
screwdriver to remove metal plates |
hardware store |
Rulers (metal is convenient) |
office supply store |
Protractors |
office suppley store |
Exacto knife/scissors |
hardware store |
|
In order to cut the rubber sheeting this is where the metal rulers come in handy. |
flat trowel |
hardware store |
|
For spreading the sand into flat even layers |
flashlight |
hardware store |
|
provides low-angle light to facilitate observing the extensional faults |
cups (yogurt containers) |
for scooping the sand |
Latex gloves <-- needed if using super glue |
hardware store |
Disposable Masks |
hardware store |
Digital camera: |
photographic supply store |
Tripod for camera |
photograhic supply store |
|
When you assemble a movie from the still images having each image taken from exactly the same spot makes the movie smoother. |
Photo manipulation software |
e.g. Adobe Photoshop |
Lab coats |
scientific supply |
|
Your clothes stay clean and you can look professional |
Sieve |
scientific supply |
|
Shaking the colored sand through a sieve (same size as average sand grain) helps make even layers of colored sand next to the window. Researchers use these but their use is too time consuming for classroom experiments. |
Mylar |
art supply |
|
Slippery mylar along the bottom of compression experiments 'decouples' the sand from the base of the sandbox. This is one variation of boundary conditions that your students can explore. |
large sheets of sandpaper |
hardware store |
|
The high friction of sandpaper placed underneath the sand can cause higher ratios of wedge height:length than the regular sandbox base. |