What is the point of summer homework?

What is the point of summer homework?

Often, the teachers themselves create the assignment, though not always. Teachers give summer assignments for many reasons to weed out students, to cover material, to practice skills that will be used in the course, to preview course content, or because it’s required by the school administration.

Which is the hardest thing in the world?

A diamond ring. Scientists have calculated that wurtzite boron nitride and lonsdaleite (hexagonal diamond) both have greater indentation strengths than diamond. Source: English Wikipedia. (PhysOrg.com) — Currently, diamond is regarded to be the hardest known material in the world.

What is the hardest job in the world?

1. Military. All military roles have their difficulties, but challenging roles such as a marine and mercenary are among the hardest in the world. These positions require soldiers to put their lives at risk on a daily basis.

What is the strongest rock in the world?

Diamond is the hardest known mineral, Mohs’ 10. Notes: It must be noted that Mohs’ scale is arbitrary and non-linear, i.e. the steps between relative hardness values are not necessarily equal.

Is Obsidian stronger than diamond?

Surprisingly, the edge of a piece of obsidian is superior to that of a surgeon’s steel scalpel. It is 3 times sharper than diamond and between 500-1000 times sharper than a razor or a surgeon’s steel blade resulting in easier incisions and fewer microscopic ragged tissue cuts. Obsidian is found all over the world.

What is the strongest material in the universe?

The strongest material in the universe may be the whimsically named “nuclear pasta.” You can find this substance in the crust of neutron stars. This amazing material is super-dense, and is 10 billion times harder to break than steel.

Are teeth as hard as diamonds?

It is, in fact, the human body’s hardest substance. Using the scale of mineral hardness developed by German mineralogist Frederich Mohs in 1812, tooth enamel ranked 5 out of the 1-10 values. Diamonds ranked 10 (hardest) and plaster of Paris ranked only 2 on the Moh’s scale.