The fundamental SI uinit of length is the meter. However, we often deal with larger or smaller lengths or distances for which multiples or fractions of the fundamental units are more useful. For each of the following situations, suggest what fraction or multiple of the meter might be the most appropriate measurement. the distance between Chicago and Saint Louis the size of your bedroom the dimensions of your textbook the thickness of a hair
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
- The fundamental SI uinit of length is the meter. However, we often deal with larger or smaller lengths or distances for which multiples or fractions of the fundamental units are more useful. For each of the following situations, suggest what fraction or multiple of the meter might be the most appropriate measurement.
- the distance between Chicago and Saint Louis
- the size of your bedroom
- the dimensions of your textbook
- the thickness of a hair
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