1. Grammar!
Colons and semicolons

2. What are they?
Semicolon (;): used to link together two connected thoughts.
The rain poured all day on Saturday; Jack was disappointed.
Colon (:): used to separate a list from a sentence OR to emphasize a point to come.
Danny had three great loves: baseball, anime, and El Faro tacos.
When my dad heard the Cubs would make the World Series again, he only had one thought: Eamus Catuli!

3. Using semicolons
Source:

4. Why use Semicolons? To link two connected ideas

6. Don’t use a semicolon with conjunctions (And/But/Or) That’s a comma’s job

8. Effect on meaning

10. Semicolons can also help you list multiple items
Locations (city and state/country)
People and descriptors
I invited a lot of people to the party: my brother, Danny; my neighbor, Larry; my best friend, Michelle; and my cousin, Alex.

11. Bell work: Add semicolons/colons as needed
Harry loved playing Quidditch it was his favorite thing to do.
Ron had many siblings Bill, Charlie, Percy, Fred, George, and Ginny.
Hermione loved one thing more than anything else books.
Professor Snape hated most students he only liked the Slytherins.

12. Bell work: Add semicolons/colons as needed
Harry loved playing Quidditch; it was his favorite thing to do.
Ron had many siblings: Bill, Charlie, Percy, Fred, George, and Ginny.
Hermione loved one thing more than anything else: books.
Professor Snape hated most students; he only liked the Slytherins.

13. Bell work: Add semicolons/colons as needed
Harry loved playing Quidditch; it was his favorite thing to do.
Gets a semicolon because the two independent clauses are related ideas, and it doesn’t use a conjunction.
Ron had many siblings: Bill, Charlie, Percy, Fred, George, and Ginny.
Gets a colon because it is listing Ron’s siblings.
Hermione loved one thing more than anything else: books.
Gets a colon because it is emphasizing something at the end of a sentence.
Professor Snape hated most students; he only liked the Slytherins.

14. Bell work: Insert semicolons and colons
The vault dweller had one thought on Reclamation Day time to explore!
I want to travel to a lot of places like Seville, Spain Athens, Greece and Rekjavik, Iceland.
Art stayed up late playing video games the next day was really hard for him.
I wanted to see three movies on break Sherlock Holmes, Aquaman, and Second Act.

15. Bell work: Insert semicolons and colons
The vault dweller had one thought on Reclamation Day: time to explore!
I want to travel to a lot of places like Seville, Spain; Athens, Greece; and Rekjavik, Iceland.
Art stayed up late playing video games; the next day was really hard for him.
I wanted to see three movies on break: Sherlock Holmes, Aquaman, and Second Act.