| Query | User |
|---|---|
| 5th grade story problem | entered by user 18472184 |
| education in the past and now | entered by user 5862376 |
| how does electricity work | entered by user 3607514 |
| how does electricity work | entered by user ditto |
| how does electricity work | entered by user ditto |
| how does electricity work | entered by user ditto |
| how it works electricity | entered by user 104971 |
| making a movie | entered by user 109956 |
| making a movie | entered by user ditto |
| open ended questions | entered by user 3298528 |
| open ended questions | entered by user ditto |
| simple machine experiments | entered by user 6344259 |
| six types of simple machines | entered by user 2355959 |