Middle schoolers model Earth's revolution round the sun by walking a mini-globe around a lamp. You will assess whether or not they tilt and rotate the planet properly and that the revolution is counterclockwise. Discussion beforehand...

Students incubate quail eggs. In this biology lesson plan, students observe the development of the embryo, monitor, turn, weigh the eggs, and observe the hatching of the chicks. They identify the structures within a fertilized egg and...