NASA
Discovering Some of Your “Yardsticks” Are Actually “Meter-sticks”
The Milky Way gets great reviews on Trip Advisor — 100 million stars. The activity allows scholars to rethink their assumptions and prior knowledge. Pupils observe a set of two lights at equal distance and brightness, but they believe...
Curated OER
How Did Humans Evolve?
Students complete an online activity in which they examine fossils to find possible hominid family trees.
Curated OER
Salmon and the Non-Native Species
Students investigate the affect of non-native species on Pacific Salmon. In this non-native species and Pacific Salmon lesson, students participate in a competition and habitat loss game. They play the game in groups, while answering...