Public learning track
Forces, Motion, and Simple Machines
4th Grade · Science · Open Global Science
10 lessons
Goal
Analyze the effects of contact and non-contact forces on motion, and explain how simple machines amplify force to do mechanical work in tools and living organisms.
10 lessons
0 of 10 done
- 1Contact Forces: Push, Pull, and Applied ForceUp nextStart
- 2Investigating Friction on Different SurfacesPremiumNot started yet
- 3The Non-Contact Force of GravityNot started yet
- 4Magnetic Field Strength Decreases with DistanceNot started yet
- 5Balanced and Unbalanced Forces in MotionNot started yet
- 6Inclined Planes in Everyday LifeNot started yet
- 7Wedges and Screws as Modified Inclined PlanesNot started yet
- 8Investigating Levers, Fulcrums, and Mechanical AdvantageNot started yet
- 9Fixed and Movable Pulleys in Lifting LoadsNot started yet
- 10Simple Machines in Human Tools and Animal SkeletonsNot started yet
Curriculum Framework
4th Grade · Science · Open Global Science
1
9 lessons
States of Matter, Physical Properties, and Phase Changes
Classify solids, liquids, and gases by measuring mass, volume, temperature, and relative density, and investigate state changes caused by thermal energy transfer.
2
8 lessons
Mixtures, Solutions, and Conservation of Mass
Investigate different types of mixtures and solutions, separate them using physical properties, and prove that mass is conserved.
3
8 lessons
Material Properties and Engineering Uses
Evaluate physical and chemical properties of natural and manufactured materials to explain their applications in construction, technology, and cooking.
4
8 lessons
Electric Circuits and Energy Transfer
Build and troubleshoot simple series circuits, identifying component roles and demonstrating how electrical energy transforms into light, heat, and sound.
5
7 lessons
Sound Waves and Energy Transmission
Demonstrate how mechanical vibrations transfer energy through solids, liquids, and gases, and explore how pitch, volume, and distance affect sound.
6
10 lessons
Forces, Motion, and Simple Machines
Analyze the effects of contact and non-contact forces on motion, and explain how simple machines amplify force to do mechanical work in tools and living organisms.