Did you know? In this episode we are going to learn about airplanes. We will answer some questions that have been sent in by our listeners and we are also going to look at the four principles that allow an airplane to fly which are lift, thrust, drag, and weight. We look at the differences between a plane’s wings and a bird’s wings and we find out why a plane cannot go backwards. Sleep Tight!, Sheryl & Clark❤️??---? Have an interesting science topic you would like investigated? Send us an email at hello@sleeptightscience.com and we may feature it in an upcoming show.? First time listening to Sleep Tight Science? Please follow us or listen on Spotify.❤️ We would love to hear from you, reach out to us via email. ---About Sleep Tight ScienceSleep Tight Science is an engaging bedtime show for the whole family that answers the questions kids have about science. Each episode explores a fascinating topic in science and technology, from the mysteries of outer space to the wonders of the human body. Sleep Tight Science is the perfect bedtime companion for curious minds of all ages. Have an interesting science topic you would like featured? Send us an email at hello@sleeptightscience.com and we may feature it in an upcoming show.