Solar Security Light, LONRIC 38 LED Outdoor Solar Energy Motion Sensor Light with 3 Modes Waterproof Solar Lighting for Porch Patio and Yard3 Modes (Change by pressing the On/off Switch) 1) Dim Light Mode : The light is dim at night when there is no motion detected. But when there is motion detected, the light auto as strong light for about 12s and dim again after 12s. 2) Strong Light without Dim Light Mode : When there is motion deteced, the light auto on for 12s, but the light will be totally off if there is no motion detected or after 12s. 3) Always on Mode : The light will keep on for 5 hours at night and charged by sunlight at daytime. Kindly ...
Go green and bring STEM concepts to life with the K'NEX Investigating Solar Energy Set! Using this kit, students in grades 5-9 will learn how to harness the energy of the sun into electricity to power K'NEX models in an exciting, engaging, and collaborative environment. This K'NEX Education Set includes 128 K'NEX parts, solar panel, motor, comprehensive Teacher's Guide, and building instructions. There's enough parts to build three different models up to two at a time, and it is packaged in a strong plastic tray with a snap-on lid for easy classroom storage. The Teacher's Guide provides a program of study that uses hands-on exploration in conjunction with an engaging inquiry-based approach to learning. Students are encouraged to build, investigate, and evaluate concepts, ideas and designs. This set is aligned to STEM standards. STEM Education focuses on science, technology, engineering and mathematics concepts taught through problem-solving, discovery, exploratory learning and critical thinking. STEM Education requires students to be active participants in the learning process. K'NEX models offer hands-on opportunities that encourage scientific inquiry, investigation and experimentation. Our inquiry-based lessons challenge students as they build, investigate, problem solve, discuss, and evaluate scientific and design principles in action.