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.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

This packet of worksheets introduces children to food webs, an important life science concept.

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

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

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

Review energy terminology with this fun fourth-grade crossword puzzle!

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

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

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

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

Budding inventors can get a fun review of the simple machines with this word search.

Looking for a fourth grade worksheet to help your kid with science? This printable will help with your child's botany vocabulary.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

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

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

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