Substances and Mixtures
Matter consists of two broken down categories, mixtures and
substances. A mixture is created by mixing two or more substances together. A
substance has one atom type or a molecule. There are two types of mixtures,
heterogeneous and homogenous. Heterogeneous mixtures have two or more
distinguished mixed substances and do not have a fixed ratio, and homogeneous
mixtures have the same amount mixed every time and are mixed thoroughly
throughout the mixture.
When you measure a substance the boiling point and melting
point are constant because a substance has a fixed ratio. Substances contain
both compounds and elements. Elements are the building blocks of matter and
compounds contain two or more elements within them.
The most interesting thing to me is
that I can look at the world and identify if a certain object has different
properties than another just by looking at them.
Fun Facts:
A substance has a fixed composition.
A mixture can be separated into its
components.
No matter can be created or
destroyed, only transformed.
Next time you eat a meal ask
yourself, what kind of matter am I eating?
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