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Physical Science
| Term | Definition |
|---|---|
| atom | the basic unit of all matter--made up of protons, electrons and neutrons |
| average speed | total distance divided by total time |
| buoyancy | an object's ability to float |
| Circular/Revolution | Movement of one object in a circular path around a second object |
| density | the amount of mass of a given amount of space in an object; D=M/V |
| direction | the path that a moving object follows |
| displaced | forced out of a place |
| distance-time graph | A visual representation of how far an object has moved over time |
| electron | subatomic particle with a negative charge |
| element | a substance consisting of one or more atoms of the same type; the most basic form of a material |
| energy | The ability to do work or cause change |
| energy of position | another way to explain potential energy |
| energy transformation | A change from one form of energy to another |
| examples of kinetic energy | 1. speeding bullet 2. flow of electric current 3. falling rock 4. flowing water |
| examples of potential energy | 1. A roller coaster at the top of the highest hill 2. A rubber band pulled way back 3. The highest point when jumping on a trampoline. |
| graduated cylinder | instrument used to measure volume of a liquid |
| grams/kilograms | metric units used to measure mass |
| gravitational potential energy | Potential energy that depends on the height of an object |
| irregularly shaped object | an object whose dimensions cannot be measured linearly with a ruler, it has curves. |
| kinetic energy | the energy an object has due to its motion |
| less dense | the amount of mass in a given space is low |
| liters/milliliters | metric units for measuring the volume of liquids |
| mass | the measurement of the amount of matter something has in it |
| matter | anything that has mass and takes up space |
| meniscus | the curve that forms when measuring liquids in a graduated cylinder |
| meters/centimeters | metric units used to measure length/height/width |
| molecule | a group of atoms bonded together |
| more dense | the amount of mass in a given space is high |
| motion | change in position and/or direction |
| Nucleus | contains protons and neutrons |
| neutron | subatomic particle with no charge; located in the nucleus |
| pan | the area on a triple beam balance where the object is placed to find its mass |
| periodic motion | any motion that repeats at regular time intervals |
| periodic table | A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together. |
| position | An objects location |
| potential energy | energy that results from the position of an object |
| property | characteristics; words we use to describe something/matter |
| proton | subatomic particle with a positive electric charge; located in the nucleus |
| reference point | A place or object used for comparison to determine if an object is in motion |
| Rider | the part of the triple beam balance that is moved on knotch at a time to measure mass of an object; 100 g, 10 g, and 1 g |
| Rolling | An object spins as it moves along a straight path |
| Sliding/Linear Motion | motion along a straight line or path |
| sound energy | Energy caused by an object's vibrations |
| speed | The distance an object travels per unit of time |
| Spinning/Rotation | movement of an object around a fixed point |
| stationary | standing still; not moving |
| subatomic | smaller than an atom |
| The formula for volume of a solid is | length x width x height |
| thermal energy | Energy due to temperature. |
| triple beam balance | a tool used to measure the mass of an object (measured in grams) |
| volume | the amount of space matter takes up |
| water displacement method | a method that involves putting an object into water and carefully recording how much the water level rises |
| weight | the measure of the pull of gravity on an object |
Created by:
MrsMakselan
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