NASA
Development of a Model: Analyzing Elemental Abundance
How do scientists identify which elements originate from meteorites? Scholars learn about a sample of material found in a remote location, analyzing the sample to determine if it might be from Earth or not. They study elements, isotopes,...
Curated OER
The World Goes Bananas
Pupils comprehend the causes and effects of inequality and social injustice. They explore the effects of globalization and trade between countries. Students discuss the hidden social and environmental costs which often lie behind goods...