--- title: 1.PS.2 description: 1.PS.2 Objects can be moved in a variety of ways, such as straight, zigzag, circular and back and forth. image: https://www.knowatom.com/hubfs/Right%20Image.png --- [![Teacher Login](https://no-cache.hubspot.com/cta/default/347944/f56bee57-133e-4975-8055-799f1f23588b.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/f56bee57-133e-4975-8055-799f1f23588b) [Teacher Login](https://app.knowatom.com/signin) [![KnowAtom Logo](https://www.knowatom.com/hubfs/KnowAtom%20Logo.svg "KnowAtom Logo")](https://www.knowatom.com/) # 1.PS.2 Objects can be moved in a variety of ways, such as straight, zigzag, circular and back and forth. [![Download a Sample Unit](https://no-cache.hubspot.com/cta/default/347944/20eee377-e175-48fe-a039-ae723137a2a6.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/20eee377-e175-48fe-a039-ae723137a2a6) Science & Engineering Practices - [Developing and using models](https://www.knowatom.com/developing-and-using-models) - [Planning and carrying out investigations](https://www.knowatom.com/planning-and-carrying-out-investigations) - [Constructing explanations and designing solutions](https://www.knowatom.com/constructing-explanations-and-designing-solutions) - [Engaging in argument from evidence](https://www.knowatom.com/engaging-in-argument-from-evidence) - [Obtaining evaluating and communicating information](https://www.knowatom.com/obtaining-evaluating-and-communicating-information) Disciplinary Core Ideas - [Weather and Climate](https://www.knowatom.com/weather-and-climate) - [Conservation of Energy and Energy Transfer](https://www.knowatom.com/conservation-of-energy-and-energy-transfer) Crosscutting Concepts - [Patterns](https://www.knowatom.com/patterns) - [Cause and Effect](https://www.knowatom.com/cause-and-effect) [![New call-to-action](https://no-cache.hubspot.com/cta/default/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f) ## Browse 1.PS.2 Lesson Plans Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/image2-Oct-07-2023-08-45-41-6709-AM.png) ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/earth-and-moon-patterns) ## [Earth and Moon Patterns In this unit, students explore observable patterns that result from Earth’s rotation and the moon’s orbit around the sun. They use these patterns to make predictions about the future appearances of the sun, moon, and stars in the sky.](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/earth-and-moon-patterns) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/earth-and-moon-patterns) [![](https://www.knowatom.com/hubfs/Light-2.jpg) ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/light) ## [Light In the last unit, students explored the relationship between vibrations and sound. In this unit, students continue to explore the phenomena of human senses, focusing on how objects can be seen when they are illuminated by a source of light, and how light passes through opaque, transparent, and translucent materials differently. Students then investigate how a beam of light changes when it hits a mirror.](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/light) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/light) [![](https://www.knowatom.com/hubfs/Engineering-Communication-Devices-1.jpg) ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/engineering-communcation-devices) ## [Engineering Communication Devices In the last unit, students explore how objects can be seen when they are illuminated by a source of light and how light passes through opaque, transparent, and translucent materials differently. In this unit, students apply what they have learned about light and sound to design a solution that can be used to communicate over a distance. ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/engineering-communcation-devices) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/engineering-communcation-devices) [![](https://www.knowatom.com/hubfs/image1-Oct-07-2023-11-07-17-5091-AM.png) ](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/action-reaction-forces) ## [Action-Reaction Forces In the last unit, students explored how shelters help animals survive in their environment. In this unit, students investigate the relationship between forces and motion, building propeller cars to observe action-reaction forces, the relationship between the distance their car travels and the amount of force applied, and how friction affects motion.](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/action-reaction-forces) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/action-reaction-forces) [![](https://www.knowatom.com/hubfs/image2-3.png) ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/pushes-and-pulls) ## [Pushes and Pulls In the third and final unit of Kindergarten, students investigate how pushes and pulls are forces that change the motion of an object. They apply their scientific knowledge to design a solution that solves a problem.](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/pushes-and-pulls) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/pushes-and-pulls) [![](https://www.knowatom.com/hubfs/image3-3.png) ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/forces-and-motion) ## [Forces and Motion In this unit, students explore how forces cause an object’s motion to change. They begin by exploring how objects move in different directions when they are pushed or pulled, and then investigate how changing the strength of a force changes the distance an object moves.](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/forces-and-motion) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/forces-and-motion) [![](https://www.knowatom.com/hubfs/image2-3.png) ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/friction-and-motion) ## [Friction and Motion In the final unit of Kindergarten, students explore how forces and how different factors can affect an object’s motion. They explore how objects move in different directions when they are pushed or pulled, and then investigate how changing the strength of a force changes the distance an object moves. Finally, students discover how friction can change motion. ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/friction-and-motion) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/friction-and-motion) [![](https://www.knowatom.com/hubfs/image3-3.png) ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/engineering-marble-movers) ## [Engineering Marble Movers In this unit, students discover that pushes and pulls are forces that change the motion of an object. They begin by exploring how objects move in different directions when they are pushed or pulled, and then investigate how changing the strength of a force changes the distance an object moves. They then use a model to see how friction affects the distance and speed with which an object moves over a surface. ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/engineering-marble-movers) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/engineering-marble-movers) [![](https://www.knowatom.com/hubfs/Sound-and-Senses1.jpg) ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/making-sounds-with-instruments) ## [Making Sounds and Instruments In this unit, students explore the science phenomena of sound by analyzing our senses and how we perceive sound. Once students have explored the relationship between sound and vibrations, they move on to discovering how musical instruments produce sound. ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/making-sounds-with-instruments) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/1st-grade-science/making-sounds-with-instruments) [![](https://www.knowatom.com/hubfs/image3-Oct-07-2023-11-10-00-3019-AM.png) ](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/friction) ## [Friction In this unit, students use propeller cars to explore the science phenomena of forces. They investigate action-reaction forces and see if a propeller car travels farther when its rubber band releases a smaller or larger force. Students then explore how friction affects motion by testing how far their car moves after rolling over smooth and rough surfaces.](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/friction) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/2nd-grade-science/friction) [![](https://www.knowatom.com/hubfs/image2-Oct-18-2023-10-43-30-5840-AM.png) ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/who-scientists-are) ## [Who Scientists Are In kindergarten, students begin to develop the practices that scientists and engineers use to help them answer questions and solve problems. ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/who-scientists-are) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/kindergarten-science/who-scientists-are) Standards citation: NGSS Lead States. 2013. *Next Generation Science Standards: For States, By State*s. Washington, DC: The National Academies Press. 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