Spheres are all around us—basketballs, globes, even the planet Earth! Help your students develop an understanding of this 3-D shape by identifying spheres in pictures and in real life.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

If your first grader is ready for a new time challenge, have her try her hand at calculating elapsed time.