well, hello there! welcome to crash coursekids! i'm sabrina, and i'll be your host as we explore the incredible world of science. we'll cover topics like animals -- aww! -- includingpredators, prey, and food chains. we'll dive deep into the ocean and soar into the atmosphere. oh! and teachers, check out the descriptionbelow for information about the standards in these videos. yep! we've got you covered. join me twice a week on crash course kids.and don't forget to go to youtube.com/crashcoursekids and subscribe. who's ready to get started?