See Related Links for a full list on Wikipedia. Here is a list of my personal favorites.
* indicates it is a true story.
Some Holocaust based movies are: "One Survivor Remembers" "Auschwitz- If You Cried You Died"
Some story's that are also movies are the diary of Anne Frank, the book thief, the pianist and Schindler's list.
A Space Odyssey
Some of them are. Most of the books are either events in between the movies or events before and/or after the movies.
Some horror movies are based on true events. Most are works of fiction.
most scary movies are fictional...aliens or monsters or people that rise from the dead. But some scary movies are very realistic...murders and stuff. The only scary movie that are based on the truth are ones that are based on true stories "based on true events" and even then they stretch the truth A LOT to make the movie more interesting!!
The memory of the Holocaust is kept alive through memoirs, movies, documentaries, and survivors who continue to share their story.
Some movies are, yes. However some are not. If you wanted to know if a particular movie was, I suggest entering that as a question or researching yourself.
The Gods Must Be Crazy (1 and 2) based on the Kalahari Bushmen.
Some horror movies are based on real events, or loosely inspired by real events.
The only popular physics based movie that I know of is called "A Brief History Of Time".
Famous British-based movies include Shaun of the Dead, Lawrence of Arabia, Trainspotting, The Full Monty, and The Bridge on the River Kwai. Four Weddings and a Funeral and Chariots of Fire are also popular British movies.