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ChemistryTest
5th Grade
| Question | Answer |
|---|---|
| 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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