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Eliz 4th grade Scien

Eliz 4th grade Science

QuestionAnswer
what is the ability to do work, either to make an object move or to change matter Energy
what is any push or pull that makes an object start moving, stop moving, speed up, slow down, or change direction Force
what is a force between surfaces that slows objects down or stops them from moving Friction
What is the tendency of an object to remain in motion or to stay at rest unless acted upon by an outside force Inertia
what is the distance traveled in a certain amount of time Speed
what is the use of a force to move an object a certain distance Work
what is the measure of how much useful work a machine puts out compared to the amount of work put in to it Efficiency
What is the amount of force needed to move something Effort force
What is the object being lifted or moved by a machine Load
What is a machine with few moving parts, making it easier to do work Simple machine
What is the transfer of energy between two objects that are touching Conduction
What is the transfer of energy by the flow of liquids or gases such as water boiling in a pot or warm air raising Convection
What is a substance such as coal or oil that was formed milions of years ago from the remains of plants and animals Fossil Fuel
what is the movement of thermal energy from from warmer to cooler objects Heat
what is the transfer of energy through space radiation
what is the bouncing of light waves off a surface reflection
what is the bending of light as is passes from one transparent material into another refraction
what is a range of light waves with different wavelenghts Spectrum
what is the distance from the top of one wave to the top of the next wavelenght
Created by: burwell2
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