Characteristics Of Rubber Ball After Adding Water
4 stir with the spoon and try to form a glob of rubber into a ball.
Characteristics of rubber ball after adding water. Rubber ball cotton balls sponge face towel rug t shirt. Some kinds of stiff materials do not dissipate energy very much like steel. Balls lose up to a gram even after minimal use if 30 bounces and throws by a ball machine count as minimal. Make sure you are wearing the chemical splash goggles to avoid the possibility of vinegar coming into contact with the eye.
Each ball in a can is different in weight diameter and bounce. It will be necessary to wash the ball in a sink with the water running or in a tub of water. Balls may bounce higher after use. Balls bounce differently on different axes.
5 use the spoon and put the rubber ball in the cup from step 2 to wash it. Balls become softer with use. 2 form a group of 4 members each and choose among your group the person who will act as timer recorder leader and presenter. In one cup add one tablespoon of vinegar and two spoons of water.
Keep count of the number of cotton balls as you add them to the water. While you wash the ball squeeze out any excess water from the latex ball and any bubbles of trapped vinegar inside the ball. In one glass jar add three tablespoons of water and three tablespoons of elmer s glue. Add1 2 teaspoon of rubber latex into the cup with vinegar.
Each can from the same manufacturer can be different. 1 the whole group will listen to the instructions given by the teacher. It is best known as the main ingredient of traditional mothballs. Fill the other cup half way with water.
Tightly secure the jar lid and shake it until the glue is fully diluted and no gooey clumps remain. A steel ball on a steel floor is amazingly bouncy. Some balls are not very bouncy to begin with like squash balls. General purpose rubber qdrop comparison of rubber ball and hanenaito ball height rubber ball time hanenairo ball before impregnation after impregnation taber abrasion test results material test standard urethane super abrasion esistant vulkollan abrasion resistant urethane ceramic urethane abrasion test taber method 197 3 33 9 73 8 101.
Ask your students if these will. Naphthalene is an organic compound with formula c 10 h 8 it is the simplest polycyclic aromatic hydrocarbon and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0 08 ppm by mass.