The Science Ambassador Scholarship is funded by Cards Against Humanity and gives five $20,000 awards each year. To apply, you film a three-minute video of yourself explaining a STEM topic you’re passionate about. It should be a mini-lecture on the topic, not a personal statement. STEM has to be your major, not your minor, and physics counts.
You don’t need to be a US citizen, but you do need to attend or plan to attend college in the US or a US territory. Confirm the current rules and deadline on the official page before applying.