How much weight can index cards hold?
How much weight can index cards hold?
I showed them the structure and asked if they thought index cards could support their weight. Pretty much everyone was in agreement that the cards would buckle under the load. One by one the students tried it out and it held up to all of them – to at least 80 pounds!
What is the index card challenge?
Challenge: Create the tallest index card tower that is free standing and remains self-supporting for 10 seconds. The tower must hold a stuffed animal.
What is the stem Index?
What is the STEM Index? A number that measures student readiness for the Science, Technology, Engineering and Math (STEM) pathway at CAMS High School in Carson. It places a higher emphasis on test scores in mathematics than the High School Academic Index.
How can index cards hold a cement block or more?
Index cards are generally thicker than regular paper, allowing them to create a structure that will stand up against wind or pressure from any side. The structure will have four walls, each with two additional pieces extending out of the walls for stabilization.
How do you make cool out of index cards?
Index cards invite artistic experimentation
- Write a top-ten list.
- Use washi tape to tip-in to your art journal or junk journal.
- Make art with a circle theme.
- Paint a rainbow.
- Make an accordion book.
- Draw mandalas.
- Doodle patterns inspired by curtains or wallpaper.
- Practice paint mixing.
What is the thickness of an index card?
Index cards traditionally are made from card stock, which is thicker than typical printer paper, but could still be prone to ink bleed-through. Index cards with a ¼ inch thickness are also available and are made of a sturdier tagboard card. This thickness makes them more resistant to bending and bleed-through.
How much do single index cards weigh?
Each 100 card pack is likely plastic wrapped, which is a tiny fraction of the weight of the paper. If 100 cards are 4.8 ounces, one card is 0.048 ounces, about 1/20 ounce.
What is the highest card tower?
The tallest free-standing house of cards measured 7.86 m (25 feet 9 7/16 inches) and was built by Bryan Berg (USA) on 16 October 2007 in Dallas, Texas, USA.
How long does it take to build an index card tower?
1. Each team must complete the construction of its tower within 30 minutes. 2. The index cards may be cut into pieces and reassembled as desired. 3. Tape is to be used to fasten parts of the tower together. It may not be used to attach the tower to the floor or any other object. Tape may not be used to extend the height of the tower. 4.
How to make stem towers with index cards?
They had a few ideas and then I showed them some ways to make different columns (circular, triangular, square), and how to make an accordion shape with the card. We got to work making our index card STEM towers:
What do kids do with index card towers?
What I absolutely loved about this challenge is that every single index card tower was completely different! Working in groups of two, the kids built everything from short and wide towers, to very elaborate towers with multiple columns and walls. When it was time to test the towers, they were a little apprehensive about the weight.
How tall do you stack 20 index cards?
Repeat for all 20 cards. Open the index card and form a V-shape. Place the 2 1/2-inch V on the table so it will be 3 inches tall. Stack the V-shaped index cards alternating the point of the V’s back and forth.