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Semester 1 Test
Chapters 1-6 Review
| Question | Answer |
|---|---|
| Factor that changes as a result of changes in the other variables. | Dependent Variable |
| Factor that, as it changes, affects the measure of another variable. | Independent Variable |
| in an experiment, a variable that does not change when other variables change. | Constant |
| Standard used for comparison of test results in an experiment | Control |
| Explanation of things or events that is based on knowledge gained from many observations and investigations | Theory |
| Statement about what happens in nature that seems to be true all the time; does not explain why or how something happens. | Scientific Law |
| Rate of change of velocity, can be calculated dividing the change in velocity by the time it takes the change to occur. | Acceleration |
| A push or pull exerted on an object. | Force |
| Resistance of an object to change in its motion. | Inertia |
| The speed and direction of a moving object. | Velocity |
| Distance an object travels per unit of time. | Speed |
| States that an object moving at a constant velocity keeps moving at that velocity unless an unbalanced net force acts on it. | Newton's 1st Law of Motion |
| States that the acceleration of an object is in the same direction as the net force on the object, and that is acceleration equals the net force divided by mass. | Newton's 2nd Law of Motion |
| States that when one object exerts a force the second, the second object exerts a force on the first object that is equal in strength and opposite direction. | Newton's 3rd Law of Motion |
| Energy a moving object has because of its motion; depends on the mass and speed of the object. | Kinetic Energy |
| Stored energy an object has due to its position. | Potential Energy |
| States that energy can never be created or destroyed. | Law of Conservation of Energy |
| Sum of the potential energy and potential energy in a system | Mechanical Energy |
| machine that does not with only one movement- lever, pulley, wheel and axle, inclined plane, screw wedge. | Simple Machine |
| Machine that is a combination of two or more simple machines. | Compound Machine |
| Ratio of the output done by the machine to the input done on the machine, expressed as a percent. | Efficiency |
| Ratio of the output force exerted by a machine to the input force applied to the machine. | Mechanical Advantage |
| Transfer of thermal energy by collisions between particles in matter at a higher temperatures and particles in matter at a lower temperature. | Conduction |
| Transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from one place to another. | Convection |
| Transfer of thermal energy by electromagnetic waves. | Radiation |
| Thermal energy that flows from a warmer material to a cooler material. | Heat |
| Material in which electrons are not able to move easily. | Insulator |
| Material such as copper wire, in which electrons can move easily. | Conductor |
| Measure of the average kinetic energy of all the particles in an object. | Temperature |
| meter | Length |
| Amount of matter in an object. | Mass |
| Amount of space occupied by an object. | Volume |
| Density | |
| When an object is acting with the force that is being applied to it. | Work |
| The ability to cause change. | Energy |
| A push or pull exerted on an object. | Force |
| Distance an object travels per unit of time. | Speed |
| Rate of change of velocity, can be calculated dividing the change in velocity by the time it takes the change to occur. | Acceleration |
| Time | |
| Measure of the average kinetic energy of all the particles in an object. | Temperature |
| Problem materials hypothesis method Data & Observations Conclusion | Scientific Method |
Created by:
vsanmiguel
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