Mr. Bertoch teaches science using Mastery Badges instead of grades.  This is a much more meaningful way of instruction, that ensures students learn while avoiding the nonsensical notion that it is possible to fail to learn

What Is A Mastery Badge?

Complete Fourth Grade Science Curriculum 

This list includes the 16 packets pre-selected for fourth-grade students. Each packet includes everything you need and should take you about two weeks to complete.

Grade LevelMastery BadgeContent TaughtFREE Packet
4th1Structures of Animals Help Them SurviveDownload
4th2Structures of Plants Help Them SurviveDownload
4th3The Five SensesDownload
4th4How Animals Use Senses To Respond To Their EnvironmentsDownload
4th5Fossils Show Us What Life Was Like In The PastDownload  
4th6Environments Change Over TimeDownload
4th7Energy & SpeedDownload
4th8Energy Is Transferred From Object To ObjectDownload
4th9Energy Is Moved Using Heat, Electricity, Light, & SoundDownload 
4th10Energy Can Be Changed From One Form To AnotherDownload
4th11Waves – A Form of EnergyDownload
4th12Plants And Animals Communicate With One AnotherDownload
4th13Plants And Animals Have NeedsDownload
4th14Day & NightDownload
4th15The Seasons of The YearDownload
4th16The Poles And TropicsDownload