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5th Grade

Chemistry The study of substances; what they are made of, how they act, and how they change
Matter Anything that takes up space and has mass
Atom Tiniest particle of matter that can't be divided without losing its special characteristics
Molecule When two or more atoms bond together
Viscosity Liquid's resistance to flow
Compound Molecule made of two or more elements
4 states of mater Solid, liquid, gas, and plasma
Two specific properties of solids atoms pack tightly together; strong bonds; has definite shape; etc.
Two specific properties of liquids
Two specific properties of gases
Give two examples of solids
Give two examples of liquids
Give two examples of gases
Plasma Is a charge up gas, only found naturally out in space
Identify liquid with highest viscosity - think of the marble experiment
Identify liquid with lowest viscosity- think of the madrble experiment Water
Melting Solid to liquid
Freezing Liquid to solid
Evaporation Liquid to gas
Condensation Gas to a liquid
Sublimation 1. Gas to a solid 2. Solid to a gas
Parts of an Atom 1. Nucleus 2. Protons 3. Neutrons 4. Electrons
Proton Has a positive charge
Neutron Has a neutral charge
Electron Negative charge
Bonds Connections between atoms and molecules
Two elements that make water One hydrogen, two oxygen
Two elements that make salt One sodium, one chloride
The Periodic Table can be use to find the.... Element name, symbol, atomic number, atomic mass, etc.
Atomic Number Number of protons in the element
Periods Rows in the periodic table
Groups or Families Columns in periodic table
Only two liquids on Periodic Table Mercury and Bormine
Metals Most of the elements on the periodic table
Molecules Are always moving in matter
Non-Metals Mostly gases
Metalloids Between a metal and a non-metal such as silicon
Heating or cooling the molecules... Changes their speed
Heat a molecule to make it go Faster
Cool a molecule to make it go Slower
Cooled molecules move Closer together
Heated molecules move Farther apart
Chemical changes When substances react with one another, and new substances are formed
Physical changes When the form or appearance of matter changes, but the matter does not change into a different kind of matter
Breaking a pencil is an example of a Physical change
Burning a piece of wood or charcoal is an example of a Chemical change
Describe the "Clicking Cap Experiment" ...
Describe the "Physical/Chemical Change Lab"....
Describe the "Marble Race Lab" ...
Describe the "Food Coloring Demo Lab when put into cold/hot water" ....
Created by: ccarmstrong



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