Greek roots: tim; meter; poli/polis/polit; and phon are covered in this clip.
These video clips are to practice pronunciation, meaning, and exposure to the roots in example words.
Link to the quiz: https://drive.google.com/file/d/11a_le9kh-9gnxQUqO8tVIxzc6LiLa_KL/view?usp=sharing