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Up In The Air
Term | Definition |
---|---|
launched | pushed something like a rocket or spacecraft up into the air or space |
particles | very small pieces or bits of something |
dense | things that are thick or packed closely together |
inflate | to fill with air or gas |
anchored | held in place |
companion | someone who goes with you someplace or spends time with you |
scientific | having to do with or used in science |
hydrogen | a light gas that burns easily |