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I have to make sentences by using those words and I did try my best , but I know there will be the grammar mistakes. Please help me fix the mistakes. Thank you very much!

Imagery
1) The nature is full of imagery. I would hear leaves were dancing by the wind and trees were shaking.

Percent
2) I got 60 percent on my English test.

Project
3) I have a project from science class.

Dramatic
4) I think that was pretty dramatic because my grade went down A to C in math class.

Re-
5) I'm reviewing my vocabulary now because I have an English quiz tomorrow.

Over-
6) These clothes are overpriced.

Un-
7) My parents are not uneducated, therefore they have to do laborious jobs.

I don't know how to make sentence by using sensory details and cycle.
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Imagery
1) The nature is full of imagery. I would hear leaves were dancing in by the wind and trees were shaking.
Nature in this context is an abstract noun. Do not use "the".

Use "the" when you mean a characteristic: It is the nature of man to be good.

Dramatic
4) I think that was pretty dramatic because my grade went down from an A to a C in math class.
Better:
I think it was pretty dramatic when my grade went down from an A to a C in math class.

Un-
7) My parents are not uneducated, therefore they have to do laborious jobs.

Not uneducated means that they have been to school. Use "educated" instead.

I don't know how to make sentences by using sensory details and cycle (?). I don't know what you mean here.
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Thank you so much for your time and help.
I think you should use a semicolon before "therefore".
snuppelinaI think you should use a semicolon before "therefore".
That's absolutely correct. You have good eyes. It's difficult for me to distinguish the commas from the semicolons!
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