Stellar phenomena are practised through precise science terms, not simplified topic words.
01 C1 Stellar Vocabulary Vocabulary ? Speech Synthesis
FLIP ALL 10
Click to flip each card. Press to hear the word. Reveal all 10 to complete.
Flipped: 0 / 10
02 Build the Sentence Drag & Drop ? Advanced Grammar
2 / 3 TO PASS
Drag words into the correct order — C1 structures: inversion, perfect passives, cleft sentences. Get 2/3 to continue.
03 Connect the Pairs Canvas ? Terminology
MATCH ALL 10
Click a term on the left, then its definition on the right. Match all 10 pairs to complete.
Select a term on the left to begin.
04 Hear it Repeat it Listen ? Repeat Practice
REPEAT 10
Click listen, repeat each C1 astronomy phrase aloud, then mark it done. Complete all 10 phrases.
05 Find the Pairs Memory ? Flip & Match
MATCH ALL 10
Flip cards to find matching pairs: astronomical term + its definition. Fewest moves wins!
Moves: 0 Found: 0/10
06 Advanced Grammar in Context Grammar Blitz ? Combo Multiplier
7 / 10 TO PASS
C1 grammar in astronomical context — inversion, mixed conditionals, passive, subjunctive. Consecutive correct answers build your combo multiplier!
07 Speak It Aloud Bonus Web Speech API ? Speaking Practice
BONUS
Chrome / Edge only: press and say the phrase naturally. Earn bonus points for correct pronunciation.
08 Assemble the Word Bonus Morpheme Builder ? Word Construction
BONUS
Click morphemes in order to assemble the scientific word. Blue = prefix, orange = root, green = suffix. Earn bonus points!