What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

How can an owl have long ears? Find out a few fun facts about the Long Eared Owl with an info sheet!

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

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.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

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.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

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

Level up your knowledge of ecology in this matching activity!

Expand your sea creature vocabulary with this Life in the Reef worksheet!

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

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Puzzle your way to ecosystem understanding in this engaging activity!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

Leap through the life cycle of a wood frog with this cut-and-paste activity!