Polymer clays or plasticine clays are made of synthetic plastics and require âcuringâ or low heat to harden. They stay moldable for a very long time if stored properly in a plastic or metal box (no paper or fabric that would absorb the moisture). Polymer clays are usually very smooth and have a silky feeling.
On average, 4th graders are 9-10 years old because that is the normal age for the grade. But kids could potentially be anywhere from about 8 to 11 years old, since some kids hâ¦ave to repeat a year in school and get behind, and then some kids are a year ahead or have late birthdays before the cut-off date.
What is GPA 3.47 on a 4.0 scale? A 3.47 cumulative GPA would be the equivalent of a B letter grade on a 4.0 scale. What is 89.3 GPA on a 4.0 scale? The letter grade equivalent of an 89.3 on a 4.0 GPA scale would be an A with an conversion of 3.572.