Characteristics Of Rubber Ball After Adding Water

Fill the other cup half way with water.

Characteristics of rubber ball after adding water.

Each can from the same manufacturer can be different. 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. Tightly secure the jar lid and shake it until the glue is fully diluted and no gooey clumps remain. While you wash the ball squeeze out any excess water from the latex ball and any bubbles of trapped vinegar inside the ball.

Some balls are not very bouncy to begin with like squash balls. A steel ball on a steel floor is amazingly bouncy. Add1 2 teaspoon of rubber latex into the cup with vinegar. In one cup add one tablespoon of vinegar and two spoons of water.

Balls bounce differently on different axes. 5 use the spoon and put the rubber ball in the cup from step 2 to wash it. Each ball in a can is different in weight diameter and bounce. As an aromatic hydrocarbon naphthalene s structure consists of a fused pair of benzene rings.

Make sure you are wearing the chemical splash goggles to avoid the possibility of vinegar coming into contact with the eye. In one glass jar add three tablespoons of water and three tablespoons of elmer s glue. If the ball is made of rubber then the stiffness argument above would incline me to predict that the ball will still be less bouncy when cold. 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.

Once all the cotton balls are in the water refill the empty glass with more cotton balls. 4 stir with the spoon and try to form a glob of rubber into a ball. Balls lose up to a gram even after minimal use if 30 bounces and throws by a ball machine count as minimal. Ask your students if these will.

Rubber ball cotton balls sponge face towel rug t shirt. Keep count of the number of cotton balls as you add them to the water. 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.

It is best known as the main ingredient of traditional mothballs. 1 the whole group will listen to the instructions given by the teacher.