The correct answer to this question is black. The reason why black is the best radiator of electromagnetic energy is that it is strong in the electromagnetic field. It absorbs radiation that is incoming, and it also emits thermal radiation. A real-time example of this is when you wear the color black in the sun.
When this color is worn in the Sun, the heat from the Sun will be ...
8 Answers
Physics and biology are both two important sciences, and the science that is most important would depend on the person who is answering the question—physics studies matter. Biology is a study of life. In my opinion, I believe that biology is more important than physics. Biology explains all aspects of life.
For example, it explains how there have been generations of people ...
8 Answers
Black boxes were created for the purpose of surviving a plane crash. They play an instrumental role in tracing the moments back before the crash happened. This helps in identifying the reason for the crash, as well as any communication that occurred before the crash happened. Black boxes are very powerful devices. They can handle a very high temperature, up to 2,000 degrees.
They can ...
9 Answers
Kepler 186f was discovered in 2014. This was the first exoplanet that was found in the habitable zone. This zone is where liquid water is able to exist. Kepler 186f is similar to the size of Earth. The size and mass of this planet is half of what the size of the Sun is. Compared to the Sun, Kepler 186f is not as bright. Life on Kepler 186f would be shorter than on Earth. For Earth, it takes ...
8 Answers
The correct answer to this question is Ammonia. This is a compound, and it is made of hydrogen and nitrogen. The chemical formula of ammonia is NH3. Ammonia has no color, and it is a gas. Though it has no color, it has a very powerful smell. It is seen as a building block, for it provides synthesis for many products related to cleaning and the pharmaceutical business. Ammonia has many ...
8 Answers
The correct answer to this question is green. Whether you are reading about aliens in books or seeing them in movies, these creatures are often described as the color green. They are out of this world creatures that can not be explained and most people believe that their home is Mars. Centuries later, there is still much debate about these creatures and if they are real, but the number is ...
8 Answers
The correct answer to this question is hydrogen. 90% of Jupiter is made up of hydrogen. The hydrogen is made in the form of solid and liquid. Out of all the planets in the universe, Jupiter is the largest one. From the Sun, Jupiter is the fifth planet. Compared to the Sun, Jupiter has more hydrogen. Along with that, Jupiter is made of gas. It also does not have any solid on the surface. Many ...
9 Answers
A physical change is a change that occurs when the substances that are combined are able to be easily separated, as their physical components do not change. When salt dissolves in water, it is considered a physical change. It is considered to be this type of change because only the matter changes.
Most physical changes are able to be reversed and you are able to separate the salt from ...
11 Answers
Homogeneous and heterogeneous are two types of mixtures that are related to the subject science, specifically chemistry. The prefixes of both words help us understand the difference between the two mixtures. The prefix homo means single. The prefix hetero means more than one or many things. Using these prefixes, we can understand that homogeneous is a mixture that only goes through one ...
8 Answers
The correct answer to this question is potential energy. This type of energy is stored energy. It is the energy that is dependent on the position of the system's parts. The man has potential energy because the man himself is at rest. The man in the car is not making any energy of his own.
The movement that makes the car move is the energy of the car. There are three main things that ...
8 Answers
3 Answers
2 Answers
1 Answer
2 Answers
2 Answers
2 Answers
1 Answer
2 Answers
1 Answer
1 Answer