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A freshly graded report card—featuring an A +, A and B + grades—with a felt-tip pen laying beside it.
ELA, Math
Grades 6-12

How can we design a good grading system?

An environmental researcher wearing red rubber gloves pours water out of a green bottle.
Science
Grades 9-12

How can we make our water safe?

Close-up of a thermometer laying on the snow, with the temperature just below zero.
Science, STEM
Grades 6-8

How can we help people survive in extreme temperatures?