The Dirt on Dirt

In an Earth Day themed episode, Sid wants to know what makes dirt so dirty? At school, Sid and his friends discover that dirt is really important to the Earth because it helps things grow, a... Read allIn an Earth Day themed episode, Sid wants to know what makes dirt so dirty? At school, Sid and his friends discover that dirt is really important to the Earth because it helps things grow, and it's also filled with tiny rocks, pieces of leaves, and even living things like bugs an... Read allIn an Earth Day themed episode, Sid wants to know what makes dirt so dirty? At school, Sid and his friends discover that dirt is really important to the Earth because it helps things grow, and it's also filled with tiny rocks, pieces of leaves, and even living things like bugs and worms!