NASA
Mapping the Watery Hills and Dales
How does GPS know where everything is located? Pupils read about satellites that are mapping the ocean and the question on how satellites know where they are. Readers discover the workings of the Global Positioning System and create...
K12 Reader
Waves & Currents
Challenge your young readers with a passage about physical science. After reading about sound waves and electric currents, kids answer five reading comprehension questions about what they have read.
Curated OER
Investigating Convection Currents
Students examine how differences in the temperature and salinity of the water help create ocean currents. They perform an experiment which shows how temperature affects the circulation of ocean water.
K12 Reader
Waves and Currents
Waves, currents, crests, and troughs. Using information provided in an article about waves and currents, readers define terms used to describe how energy travels.
Curated OER
Fabulous Funnels
Students explore what tornados are, how they are created and measured, and what their effects are on communities. They keep a journal of their activities and explorations as part of an ongoing process of learning.