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Lindas Science Vocab
1st semester Science
| Question | Answer |
|---|---|
| Atom | An atom is the smallest particle into which an element can be divided and still have properties of that element. |
| Nucleus | The nucleus is the center of an atom made up of protons and nuetrons. |
| Proton | A proton is a positively charged particle in the nucleus of an atom. |
| Atomic Mass | The atomic mass is the average mass of one atom in an element. |
| Group | A group is a family of elements in a periodic table with the same number of valance electrons. |
| Period | A period is a horizontal row of elements on the periodic table who share the same number of electron shells. |
| Electron Shell | An electron shell is a region surrounding the nucleus of an atom containing electrons. |
| Speed | Speed is the distance traveled divided by the time needed to get there. |
| Force | Force is a push or a pull. |
| Balanced Force | A balanced force describes a forces that are equal but opposite in direction. |
| Unbalanced Force | An unbalanced force describes an unequal force acting on an object. |
| Newton | A newton is the unit of measurement for motion. |
| Direction | Direction is the way something is moving. |
| Safety | Safety is a device designed to prevent injury. |
| Goggles | Goggles are a piece of lab equipment that should be worn when using heat or chemicals. |
| Density | Density is the mass of a substance per unit volume, found by m/v |
| Graduated cylinder | A graduated cylinder is a tall narrow container with a volume scale used especially for measuring liquids. |
| Apron | An apron is a garment worn on the front of the body to keep the clothing from getting dirty. |
| Triple Beam Balance | A triple beam balance is a tool used for measuring mass. |
| Velocity | Velocity is the speed and direction of a moving object. |
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