In this episode, Lynda & David discuss hydroponics or growing plants without soil. This episode is based on the "Soil-less Gardens, The Rebirth of Centuries-Old Farming Practices" article in the Grade 5 Inspire Science Investigator magazine. If you’d like to read some science with your kids this summer, go to mheonline.com/science. For a limited time, you can use the promo code SCIENCE in the order review page to get the Grades 3, 4, or 5 Investigator magazine for basically just the cost of shipping. Use the promo code SCIENCE2 for the Grade 2 Investigator magazine.
Audio credits: juqboxmusic/Getty Images, IB Audio, John McClung/Getty Images

Prepare to be shocked! In this episode, Lynda & David discuss how fish make electricity with their bodies and how biomechanical engineers are using this concept to re-think the battery. This episode is based on the "Engineering with Electrifying Outcomes" article in the grade 4 Inspire Science Investigator magazine. If you’d like to read some science with your kids this summer, go to mheonline.com/science. For a limited time, you can use the promo code SCIENCE in the order review page to get the Grades 3, 4, or 5 Investigator magazine for basically just the cost of shipping. Use the promo code SCIENCE2 for the Grade 2 Investigator magazine.
Audio credits: juqboxmusic/Getty Images, IB Audio, John McClung/Getty Images

In this episode, Lynda & David discuss the science behind of the art of glassblowing and welding. This episode is based on the "Using Heat to Make Art" article in a Grade 2 Inspire Science Investigator magazine. If you’d like to read some science with your kids this summer, go to mheonline.com/science. For a limited time, you can use the promo code SCIENCE in the order review page to get the Grades 3, 4, or 5 Investigator magazine for basically just the cost of shipping. Use the promo code SCIENCE2 for the Grade 2 Investigator magazine.
Audio credits: juqboxmusic/Getty Images, IB Audio, John McClung/Getty Images