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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
is the ability to do work or cause a change.	Energy
energy of motion.	Kinetic Energy
the amount of energy available to do work because of the way a system is arranged.	Potential Energy
is energy of electrons that forms bonds between atoms in molecules.	Chemical Energy
is energy in the nucleus (core) of an atom.	Nuclear Energy
(also calledheat energy) is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other.	Thermal Energy
is a form of electromagnetic radiation. Light consists of photons, which are produced when an object's atoms heat up.	Light Energy
is one of the less forms of energy. Sound is the movement of energy through substances in longitudinal (compression/rarefaction) waves.	Sound Energy
is a force that is applied directly to an object by a person, and animal or a thing.	Applied Force
is a force with which the Sun, Earth, Moon, and other huge objects pulls objects towards themselves.	Gravity
is the force with which a magnet pulls certain materials towards itself.	Magnetic Force
is the rate at which the velocity of an object changes over time.	Acceleration
is a long bar that helps you lift heavy object.	Lever
the support on which a lever plus its load rests.	Fulcrum
the weight that is to be lifted or moved.	Load
the force used on a simple machine.	Effort
a simple machine made of a wheel and a rod joined to the center of the wheel.	Wheel and Axle
a simple machine made of a wheel with a rope around it.	Pulley
a simple machine like a ramp.	Inclined Plane
a simple machine that is made of two incline planes put together and that can be driven into another material.	Wedge
a simple machine made of a stick with ridges wrapped around it.	Screw