Embrace Earth Day with this classic number puzzle for third through fifth graders!

Discover the inner workings of basic earth science in this worksheet on temperature.

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.

Read about the earth's coldest land biome, the tundra, then fill in the blanks to review what you've learned.

Solving a slew of double-digit subtraction problems will lead your second grader to deciphering the name of Earth's galaxy. Start subtracting!

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

Second graders are still expected to know how to read "old-fashioned" analog clocks, and this worksheet will help!

Got a green thumb? Get down in the dirt to learn simple fractions!

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

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

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

This colorful worksheet will boost your second grader's subtraction skills and mental math ability as it provides her with a quick lesson in planetary science!

Children will practice identifying and writing calendar days and dates in May in this engaging calendar math worksheet.