4.PS.3 Investigate how multiple simple pulley uses grooved wheels and a rope to – machines work together to perform everyday raise, lower, or move a load tasks. a stiff bar that rests on a support called lever – a fulcrum which lifts or moves loads PS2.A: wedge an object with at least one slanting – Forces and side ending in a sharp edge Structure and Motion wheel and axle a wheel with a rod, called an – Function axle, through its center lifts or moves loads PS2.B Types inclined plane a slanting surface connecting – of Interactions a lower lever to a higher level screw an inclined plane wrapped around a – pole which holds things together or lifts materials 4.PS.4 Describe and investigate the different kinetic energy energy possessed by a PS3.A: – ways in which energy can be generated and/or system or object as a result of its motion Definitions of converted from one form of energy to another energy an object has Energy potential energy – form of energy. because of its position, rather than its motion Stability and PS3.B: Change Conservation of Energy and Energy Transfer
4.PS.3 Investigate how multiple simple machines work together to perform everyday tasks. pulley – uses grooved wheels and a rope to raise, lower, or move a load lever – a stiff bar that rests on a support called a fulcrum which lifts or moves loads wedge – an object with at least one slanting side ending in a sharp edge wheel and axle – a wheel with a rod, called an axle, through its center lifts or moves loads inclined plane – a slanting surface connecting a lower lever to a higher level screw – an inclined plane wrapped around a pole which holds things together or lifts materials Structure and Function PS2.A: Forces and Motion PS2.B Types of Interactions 4.PS.4 Describe and investigate the different ways in which energy can be generated and/or converted from one form of energy to another form of energy. kinetic energy – energy possessed by a system or object as a result of its motion potential energy – energy an object has because of its position, rather than its motion Stability and Change PS3.A: Definitions of Energy PS3.B: Conservation of Energy and Energy Transfer
science-standards-fourth-grade-resource-guide-02-27-17.docx