Educational worksheet for children to practice writing the names of the nine planets.

To complete this worksheet, you need to practice writing the name of each planet on the lines provided next to its picture. This helps with spelling and remembering the order of the planets in our solar system.

Here is the list of names you need to write, in order from top to bottom:

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune
9. Pluto

*(Note: While scientists now classify Pluto as a "dwarf planet," it is included in this specific worksheet as the ninth item to write.)*

Final Answer:
The names to write on the lines are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.