G1_UnderstandingOurWorld_20-21

arts working together. ● What is a human system? ● What is a mechanical system? ● What is a simple machine? ● How are machines helpful to humans? ● What are some systems (human or mechanical) that we have in our community? Questions to Ask your Child Home Learning Suggested Home Extensions Key Vocabulary ● Watch simple machines videos together as a family: YouTube has many videos for children ● Read books about situations in which human systems are used to achieve a goal (examples would include restaurants, airplane travel, public transportation, and other work scenarios) ● If you could build any kind of robot you wanted to, what kind of a robot would you build? Write and illustrate a story together that features your robot. ● Observe and discuss human systems that you have at home (bedroom routines, homework procedures, getting ready for school in the morning). ● Go to a restaurant or local business. Observe what simple or complex machines are used, and what roles humans play in the system. ● Find simple machines you have at home. Use them to build a more complex machine. ● Go to a playground. Identify the simple machines and have fun playing on them together! ● Work with your child to make a system that would allow him or her to be in charge of simple tasks at home (like watering the plants, setting the table for dinner, or feeding family pets). ● System ● Improve ● Effective ● Lever ● Pivot (fulcrum) ● Pulley ● Load ● Wheel ● Axel ● Simple ● Complex ● Investigation ● Wedge ● Force ● Downward ● Effort ● Machine ● Push ● Pull ● Sideways ● Incline plane (ramp) ● Gradual ● Steep ● Goods and services