Portals made from black holes are highly speculative. You are more likely to encounter such portals (usually called wormholes) in Science Fiction (because it suits the plot), than in serious astronomical literature.
You click on a planet,star,etc. scroll down and click Black Hole
You can't really "make" a black hole, but you can do research, present on the research and do a small demonstration of one of the properties of a black hole. For example, there are lots of experiments you can set up to measure the force of attraction between two objects. You can use that as a launch pad, then compare that to the estimate gravitational force of a black hole.
Yes, but it can also make a black hole or a white dwarf.
If you believe in God and you believe that God created everything, then sure. If you believe in science, then a black hole is created when a massive star collapses and a black hole is formed. [See related question]
Black holes can be detected using a variety of methods. While the black hole itself does not emit any radiation (or any other form of energy), high-energy radiation can still be emitted by matter that is being pulled into it. For example, if a black hole begins to consume a star that has ventured too close, the star will begin to emit x-rays, gamma rays, and/or particle jets as it is pulled apart. When a black hole is "feeding" it can be anything but black: the heat and energy emitted by the ill-fated star (or planet or another black hole or anything else for that matter) can make the location of the black hole to be quite bright. Black holes can also be detected by spotting how they affect their nearby neighbours. They can cause "ripples" in space time, and as these gravitational waves move through space, their affect on objects can be detected and measured.
You can make a Nether Portal. Put the Obsidian in a 4x6 vertically with a 2x3 hole in it. Using Flint and Steel or a Fire Charge, right click on the bottom Obsidian.
Only around a black hole. There is a sphere around every black hole where light orbits the black hole.
Well you need to make something that looks like hole but, underground .
We know nothing about the conditions within a black hole, but it seems unlikely that a black hole could exist within a black hole, or even if this concept would have any meaning at all.
make a wall around lava and tip water in it and repeat it to make a nether portal shape
Nothing, unless a black hole comes very near to us. By the way, you shouldn't say "the" black hole, unless you make it clear which black hole you mean. There are many black holes.
no you can not
blue light and white metal and black strips of meatl
no black holes are stars
A black hole is the result of the gravitational collapse of a massive star. This happens when the star runs out of fuel.
You click on a planet,star,etc. scroll down and click Black Hole
as hole