The life cycle of a butterfly (3rd. grade)

From: YMS EduTech Learning Hub Tuition

Facts about amphibians (from 3rd. grade to 6th. grade)

From: http://bit.ly/HappyLearningTV

American accent

From: Homeschool pop

Facts about reptiles (3rd./4th. grades)

From: https://www.patreon.com/homeschoolpop

From: Learning junction

Learn about fish (all grades)

From: Kidsrhymes

From: Happy Learning English

Learn the name of birds (all grades)

From: 7Seas Entertainment

From: Jingukid

All about mammals (5th./6th. grades)

From: http://bit.ly/HappyLearningTV

Interesting facts about mammals (1st./2nd./3rd./4th. grades)

From: Natural Science for kids

American accent

From: www.sciencewithkds.com 

European countries quiz (5th.-6th.)

From: www.lizardpoint.com