Welcome to Room 20's blog! We are an ACTIVE bunch of Year 3 and 4 learners at Halswell School. Join us as we learn the art of blogging in 2014.
Hi Mrs WI got 7/7 for the lunar eclipse thing
Umbra-the Umbra is the darkest part of a shadow, where the ligt source is completely blocked by the occluding body.Penumbra-The Penumbra is the second darkest shadow, almost like Umbra but lighter -Harriet