Students examine plant systems. For this life science lesson, students explore leaf and root systems on paper in a terrarium that they design and construct.

A collection of animal pictures with grid overlays for drawing practice. Students copy an image by drawing the contents of each square of the grid into a matching square on a second blank grid next to the picture. Each activity can be...

Push your problem-solving skills to the limit. Arrange 3 red, 3 blue and 3 yellow counters into a three-by-three square grid, so that there is only one of each color in every row and every column.