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

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

Label the parts of a tree with this simple science worksheet!

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!

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!

How do nonliving things help plants and animals stay alive? Find out in this first-grade worksheet!

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!