Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Discover the animals and plants of the past in this fossil-focused worksheet!

Unearth fossils in this explorative third-grade worksheet!

Dive into habitat studies with this second- and third-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Discover how plants survive in the desert with this third-grade habitat worksheet!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Discover different types of energy with this third- and fourth-grade science worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Use your detective skills to predict the motion of a seesaw in this third-grade worksheet!

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Dig into the past with this third-grade worksheet all about fossils!

Uncover secrets of the past with this third-grade worksheet about fossils!