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.

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

How does the butterfly become so beautiful? Learn about the four stages that it goes through in its life.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

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!

See which snail has gotten the farthest with this 2nd grade measurement snail race worksheet.

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

Learn about the texture and hardness of different objects in this second-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science 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!

Explore how Earth’s surface can change in this investigative second-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!