[Answer] 5. I'm going to ask for money to go into outer space. But I think that idea will "go over like a lead ______".

Step 1 : Introduction to the question "5. I'm going to ask for money to go into outer space. But I think that idea will "go over like a lead ______"."

...1. Airplane 2. Balloon 3. Bird 4. Rocketship Of course if you fill a hot air balloon with lead it will not take off. So it means for something not to go off successfully or fail.

Step 2 : Answer to the question "5. I'm going to ask for money to go into outer space. But I think that idea will "go over like a lead ______"."

Balloon:

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