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Physical Quiz 5 ML
Physical Science Quiz #5 (1-20)
| Term | Definition |
|---|---|
| energy | ability to cause changes in matter |
| force | push or pull that causes an object to move, stop, or change directions |
| reflection | light energy that bounces off objects |
| refraction | bending of light rays when they pass through a substance |
| heat | movement of thermal energy from one place to another |
| flow | smooth steady movement of liquid, gas or electricity |
| electricity | flow of electrical power or charge through a circuit |
| solar energy | energy of sunlight- it drives the water cycle |
| sound | energy caused by a vibrating object |
| physical properties | properties that can be observed, measured, or changed |
| magnetism | force of attraction or repulsion some materials have on other materials |
| conductor | material that allows energy to pass through |
| insulator | material that blocks energy from moving through |
| circuit | a system with many parts |
| electric circuit | a complete pathway of conductors that allow electricity to flow through it |
| mixture | combination of 2 or more substances that do not chemically change |
| solution | a liquid mixture in which the particles of each substance are evenly mixed- like sugar dissolving in water |
| matter | anything that has mass and takes up space |
| mass | amount of matter in something |
| density | concentration of matter in an object, tightly or loosely packed |