What are characteristics of a substance that you can see without changing the identity of the substance?

Answer 1

When it comes to movies, everyone wants to watch a high quality picture in the convenience of their own home. And with the variety of different appliances on the market, it is easy to turn your living room into a sound-enriched movie theater. But aside for the surround sound systems and the screen projectors, you need to have a quality DVD player or Blu-ray player. These two appliances are different in their own ways, and you may want to know what sets them apart. Blu-ray is a new technology that offers high definition picture quality to the television screen. Many people prefer Blu-ray because it is clearer and more rich than a regular DVD and its player.

Almost everyone knows what a DVD player is. After VHS tapes went out, the DVD took its place. Because of this, DVD players are used for watching movies and series on your television. There are thousands of different DVD players available and it can be quite difficult to find the one that is right for you. It is recommended that you do not just buy the cheapest player available. You should look for one that is of a little higher quality, since you want to have it last more than just a few months.

Alternatively, you may choose to buy a Blu-ray and DVD player combo. With the rise of Blu-ray discs and the ever-popular need for a DVD player, companies have combined these two aspects into one device. With one of these new players, you will be able to insert both regular DVDs and Blu-ray discs as well. One of the benefits of combining the players together is that you will be able to free up valuable space on your television stand. Instead of having two bulky devices, you just have one, sleek electronic that is there for whichever movie you want to watch.

While Blu-ray movies are more expensive, the picture quality is astounding and will literally make you feel like you are actually there with all of the characters. But the problem is that many people have a mixture of Blu-ray discs and normal DVDs at home. This is why a combination player is best and can be used for whichever movie you have. You can shop and compare prices by going to your local electronics store or by searching online. Since these devices are becoming more popular, it is easy to find the one that is right for you.

Answer 2

You are thinking of physical properties. Some examples are mass, volume, density, and color.

Answer 3

Its state, either it is solid , liquid or gas.

Answer 4

A physical property can be observed without changing the substance into something else.

Answer 5

The answer to this question your thinking of is physical properties.

Answer 6

A pure substance doesn't contain measurable amounts of impurities; but the ideal is intangible, the absolute purity doesn't exist.

Answer 7

lame people going wild