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Final Review
Terms to study for the final exam.
| Term | Definition |
|---|---|
| Bonds | Link the particles of a substance in the liquid and solid phases. |
| Evaporation | A phase change from liquid to gas due to an increase in kinetic energy. |
| Metalloid | Elements found on the periodic table "stair case" that have qualities of both metals and non-metals. |
| Solute | The part of the solution that is broken down into the other substance. |
| Slope | The steepness of a line on a graph. |
| Weight | A measurement of how much gravity affects a certain mass. |
| Acceleration | Speeding up or slowing down. |
| Friction | A force of resistance that slows down and stops things from moving. |
| Joules | The units used for both potential and kinetic energy |
| Expansion | Increasing the volume of a substance without changing the amount. Can be done by increasing temperature or lowering pressure. |
| Atom | The smallest possible amount of a certain type of element. |
| Compression | Decreasing the volume of a substance using increased pressure. |
| Gravity | A force that pulls things toward the center of a massive object. |
| Noble Gas | Non-Reactive elements that are gases. Can extremely colorful when lit up by electricity. |
| Chemical Formula | The recipe of a chemical. What it is made of and how much. |
| Contraction | Decreasing the volume of a substance by decreasing the kinetic energy of it. |
| Insoluble | Unable to be dissolved in a given solvent. |
| Melting | A phase change from solid to liquid through increased temperature. |
| Neutrons | Found in the nucleus attached to protons. Have no charge. |
| Atomic Mass | The mass of all the subatomic particles of an element added together. This number is found below the element symbol. |
| Scientific Method | The steps to carrying out scientific research and experiment. |
| Newton's 1st Law | An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. |
| Gas | A phase of matter where free floating particles are colliding and move with lots of kinetic energy. |
| Chemical Reaction | When reactants are put together and create a new product (different than you started with). |
| Conduction | A type of heat transfer where particles collide and energy flows from high to low. |
| Solution | A type of mixture where there is a solute dissolved. |
| Reactive non-metals | The misfit toys sections of the periodic table. These elements are all unique but are all reactive. |
| Radiation | Energy transfer through electromagnetic waves. Does not need particles to happen. |
| Mass | The amount of matter in an object measured in grams or kg. |
| Force | A push or a pull. |
| Newtons's 3rd Law | Every force has an equal and opposite force. |
| Sublimation | A phase change from solid directly to gas. |
| Electron | A negatively charged subatomic particle found in shells around nucleus. |
| Spring Scale | Used to measure the weight and mass of objects through a spring. |
| Speed | Found by measuring the distance an object travels in a certain time frame. |
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