This document provides links and instructions for activities to accompany three biodiversity mysteries on Mystery Science. It includes: 1) A link to download a PDF with activities for Mysteries 1 and 2, including challenge cards about animal classification for Mystery 1 and worksheets about frog habitats for Mystery 2. 2) Links to the online mysteries and extension videos about identifying animals and frog sounds. 3) Instructions to watch Mystery 3 about seed dispersal without the optional craft activities, followed by links to extra videos about different ways seeds can be dispersed.

1. Here is the linktoprintthe activitiesthatgowiththese lessons:
https://cloud.mysteryscience.com/image/upload/v1583789613/booklets/2nd-grade-booklet-english.pdf
These activitiesare alsoshownaslinksatthe beginningof eachMystery.
Mystery One: How Many Different Kinds of Animals Are
There?
https://mysteryscience.com/biodiversity/mystery-1/biodiversity-
classification/174?code=OTg4Nzg5&t=student
Printthe Challenge Cards- theywill needthemforthe activityinthisMystery. (Pages3-5fromthe
activitieslinkabove).
Aftercompletingthe Mystery,students shouldwatchthe videostosee if theycanidentifywhatkindof
animal isineach video (linksinthe extensionactivitiessuggestedatthe endof the Mystery).
Theyshouldalsoplaythisonline game: http://sciencenetlinks.com/interactives/class.html
Mystery Two: Why Do Frogs Say ‘Ribbit’?
Printthe activitiesonpages8-9 fromthe activitieslink above. Studentswill needthesesheetsforthe
activitity.
https://mysteryscience.com/biodiversity/mystery-2/biodiversity-habitats-species/175?r=988789
Aftercompletingthe activity,studentscanwatchthe videosinthe Extensionsection (linksinthe
extensionactivitiessuggestedatthe endof the Mystery).
Mystery Three: How Did a Tree Travel Halfway Around the
World?
https://mysteryscience.com/plants/mystery-1/seed-dispersal/84?r=988789#slide-id-0
Watch the Mystery. The activitiesembeddedinthe mystery(makinga glider,makingarotocopter,and
makinga spinner) are optional. If youdonot have the materialsneededathome tocreate these,don’t
worryabout it.
Afterwatchingthe mystery,studentsshouldwatchthe followingvideostogainbackgroundknowledge
as to the differentwaysseedscanbe dispersed. Theycanfindthese videosbycontinuingtoclick
throughthe mysteryto the Extras: Online Videospage,ortheycan clickthe linkbelow:
https://mysteryscience.com/plants/mystery-1/seed-dispersal/84?r=988789#slide-id-1554