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Science Unit 2 Vocab

Energy ability to do work
Mechanical energy work done from something that is moving
Electrical energy work done from electricity (something that is plugged in)
Light Energy Energy we can see, travels in waves
Thermal energy Energy from heat
Sound energy energy we can hear, made from vibrations
Circuit a closed path that electricity can flow through
Source Electricity from a battery or generators
Pathway The path that energy flows through in a circuit (the wires)
Load the object you want to work (lightbulb, buzzer)
Current the flow of electricity through a conductor or path
Electromagnet a temporary magnet, made of wire wrapped around a piece of wire, hooked to a battery
Reflect the bouncing of light rays off of a surface, light enters and exits at the same angle
Refract the bending of light as it moves through one material to another
Concave Lens Lens is thinner in the middle, makes objects look smaller
Convex Lens Lens is thicker in the middle, makes objects look bigger
Transparent Clear, all light can pass through
Translucent Cloudy, some light can pass through
Opaque No light can pass through
Force A push or a pull
Motion A change in the position of an object
Gravity A force that pulls towards the center of a celestial body (like Earth)
Friction The force in which two things rub against each other, causing heat and for things to slow down
Created by: jjohnson32



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