Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
For example, they designed, built and launched rockets, made and used spectroscopes and studied some principles of physics by looking at water drops on coins, among other things.
Source: https://www.gazetteseries.co.uk/news/23612606.school-hosts-fair-make-childrens-day/?ref=rss