Which tape is the stickiest experiment

Collect as much information as possible about the problem. State a Hypothesis. Test the Hypothesis. Draw conclusions about the Hypothesis. Report the conclusions so other scientists can test the Hypothesis. Testing Adhesives - Glossary Tack. Collect as much information as possible about the problem - Divide the students into groups to report on: a History of Adhesives include biographies on Wallace Hume Carothers; Leo Hendric Baekeland; John Hyatt.

Draw Conclusions - Have group draw conclusions based on testing. Students can add materials to be tested. Students can put materials in baggies and place in freezer to see what effect cold has on the adhesive.

Students can use lamps or hair dryer to heat the adhesive and then retest. Students can use water to wet adhesives and then retest chemical vs. Students can make their own adhesives using skimmed milk and vinegar. Testing Procedures For Adhesives Tack There are four tests scientists use to see how sticky an adhesive is. Steps a Place two chairs of the same height back to back, 6" apart.

Steps a Cut a 5" piece of tape. Commerce Department, Brann, Donald R. Glue and Adhesives. New York: Harper and Row, Green, Carla. Let's Meet the Chemist. New York: Harvey House, Inc.

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Compare prices by going to several online stores. Freezing the tape also decreased its adhesive wetting capacity. Again, imagine a few drops of liquid water dropped onto a paper towel, this time compared with an ice cube dropped onto a paper towel. The liquid water will penetrate the towel much more quickly and effectively than the ice cube will. Think about the water drop on the paper towel compared with the drop on the wax paper. Wax paper blocks most materials from wetting, which makes it great at repelling water, food and, in this case, tape.

Clean up Throw away any used materials that cannot be reused. You can remove any residue left by the tape using olive oil or an olive oil—soaked paper towel. Allow the oil to saturate the residue for at least 15 minutes, then scrub it off using a sponge. This activity brought to you in partnership with Science Buddies. Already a subscriber?

Sign in. Thanks for reading Scientific American. Create your free account or Sign in to continue. See Subscription Options. Go Paperless with Digital. Materials Roll of duct tape at least five linear feet One half cup of water Freezer Glass dish Small baking tray or plate at least 12 inches across About one linear foot of wax paper Paper Ruler or measuring tape Scissors Small sandwich bag Two large paper clips About 15 nickels You can substitute another coin such as dimes or quarters, as long as you have 10 of them.

Carefully place this piece sticky side up on your tray or plate. Put this tray in the freezer, and set your timer for 25 minutes or note the time on your clock. Use a paper clip to carefully poke a hole through a top corner of your sandwich bag.

Make your hole at least one inch from the edge of the bag. Loop your paper clip through the hole you might have to bend it slightly so that the bag hangs from the paper clip. On your paper, make a table with four columns and five rows. You will fill in the remaining boxes as you do the activity. Use your scissors to cut a inch strip of tape. Gently stick the end of this tape to a countertop or other sturdy object on which you have permission to use duct tape. Allow it to hang free without touching anything.

You wish you knew how "sticky" these tapes are so that the decorations you put up with it won't fall down in the middle of the dance. How are these tapes alike? How are they different? Some tapes might work OK if the surface is flat and laying down like a table top , but might fail if you used them on an upright surface like a wall. Which of these would you choose to finish the decorating job?

To hold a bandage in place on a wound? To secure the wrapping on a box you intended to mail? Do all of these tapes have the same function?

Are they all made the same? Do they all have the same stickiness? How could you find out? Well, in this lesson you will be examining the stickiness on various kinds of tape by doing a simple test, the kind of testing that inventors and manufacturers use when they are working with new products.

You should be able to determine how well the tape performs if you wanted to use the tape to hang something on a wall. Assessment: Monitor students' answers to your questions to be sure everyone understands the goals of the lesson.

Before proceeding, be sure that students understand the posed problem. Do a quick demonstration of how to set up the equipment to make the apparatus for testing the stickiness of the materials to be tested. Decide how many angles of the board by number of books chosen to lift the board or the actual angle measurement of the incline you want to test. Be sure that every group uses the same book and performs these same tests. Allow students to make four choices of sticky tape.

Note: Marble should be set lightly on the tape - pushing it down firmly will compromise the results. Before beginning the tests, have students predict which tape will be the stickiest and how far they think the marble will roll down the test track.