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

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!

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

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!