Okay kiddo, have you ever heard of a group of people who want to change something in the world? Maybe they want to help animals, or stop pollution, or make sure everyone has clean water. That group of people is called a social movement organization.
A social movement organization is like a team of superheroes who work together to make things better in the world. They have a big goal they want to achieve and they organize events like protests, marches, and rallies to get other people excited and involved in their cause.
Just like superheroes have a leader, social movement organizations have leaders too. These leaders organize meetings, communicate with members, and come up with plans to reach their big goal.
Sometimes social movement organizations use social media to spread their message and get more people involved. They might use hashtags like #SaveTheEarth or #BlackLivesMatter to get people talking about their cause and sharing it with others.
So, in summary, a social movement organization is a group of people who work together to make the world a better place. They have leaders, and they organize events and use social media to get more people involved in their cause.