What does absent mean in science?
If you have a cold and you write “I have a cold” in your day-to-day conversation, that does not mean you have the flu. Similarly, saying there is no life on Mars doesn’t mean there is no life on Mars. If we say there is no life on Mars, that doesn’t mean we know for sure. The absence of evidence does not mean absolute evidence of absence.
What does the word empty mean in science?
In the context of science, empty is usually used to describe a container which has no contents or which is void of matter. In a scientific context, an empty or void container is one that contains nothing but space. For example, a bucket full of air is still empty because it has no matter in it. The bucket itself is still present, but it is empty of matter.
What does the word absent mean in science?
If you were to look up the word “absent” in a thesaurus or dictionary, you would not find an entry. There is no etymology for the word, and it is not used in any other context outside of describing an absent person. It simply means that something is not present. In the context of measurements, a “measured value” is absent if it is not available for use. In the context of a chemical equation, a “missing component
What does the word absent mean in science class?
If someone is absent, it can have a variety of different meanings. It can refer to a student who is late to class that day (perhaps an emergency at home?). It can refer to a student who has been given an out for a test or assignment due to illness. It can even refer to a student who has been given an out because they didn’t turn in their homework.
What does the word empty mean in chemistry?
If you hear the word empty, you might think of a cup; something that has no matter in it. This is a very common misconception for many people. The word is most often used in the context of chemical experiments to describe a vessel that is completely full of some form of gas. This vessel is known as an “evaporator.” It is important when working with chemicals to know whether a vessel is empty or full in order to prevent dangerous chemical reactions. However, there