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.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Little farmers will enjoy planting a paper garden with this life science activity! She will get to color, cut out and sort the different veggies.

Help your kindergarten students learn about sequencing and science as they learn about the five stages in a ladybugs life.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Plant a paper flower garden with this fun sorting activity! Children color the flowers, then cut them out and sort them by type.

Use this worksheet to make a hammerhead shark headband to wear!

Label the parts of a butterfly in this butterfly diagram worksheet!

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!

Teach your preschooler to choose healthy foods instead of sweets. Help him move his way through the maze by picking out the healthy foods.

Got a little animal lover on your hands? Let him spend some time with his furry friends with this fun animal crossword puzzle.

Which of these animals does not belong? Explore the plants and animals of the desert, and choose which ones are in their right habitat.

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.

These babies have lost their mamas! Can you help them? Use sorting and categorizing skills to match the baby animal to its adult form.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.