Hydroponics allows farmers to grow plants without soil--read thjis article with your students to find out how. In the accompanying  lesson, students will

learn about the importance and meaning of kedushat peirot shvi’it (the holiness ofproduce in the seventh year)

by understanding how Jewish law views fruits and vegetables grown during shemittah. Mixing Jewish law with scientific advances helps

the Jewish State function. Hydroponics plays an important role during  the shemittah year.