PAT-H5 | Cross-Cutting Concepts
Empirical evidence is needed to identify patterns.
NGSS Cross-Cutting Concepts
Find free, ready-to-teach resources aligned to PAT-H5. Designed with teachers and artists, in partnership with STEM researchers.
PAT-H5 | Cross-Cutting Concepts
Empirical evidence is needed to identify patterns.
Created with purpose: see how resources connect to this standard.
Showing 2 of 2 units
Balancing Act: Tradeoffs in frogs, humans, and other animals
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Students will follow in the soggy footsteps of scientists wading through ponds at night to record frogs as they learn about biological tradeoffs that connect humans to horses to frogs. Along the way, they'll decide which male a female frog should choose as a mate, based on analysis of call performance.
Alignment summary( Connected)
Lesson 2
Students analyze how the length and duration of frog calls create a pattern that results in a performance threshold.
Included resources
2 lessons and 4 supporting media items.
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Lesson 1
Supporting videos
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Additional Resources
Supporting videos

Additional Resources
Supporting videos
Guardian Frogs of Borneo: Why Exceptions Matter in Biology and Everyday Life

Out of 8,000+ frog species, Guardian Frogs are one of the first to show females that call & males that care for offspring. Students will gain wonder and appreciation for how diverse animal mating systems are while doing fun activities and analyzing real data.
Alignment summary( Connected)
Students interpret differences (in an authentic scientific graph) between male and female frog calling patterns to test a hypothesis.
Included resources
3 lessons and 3 supporting media items.