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Our understanding of the atom has changed over the past few hundred years! Read about a few different theories on the structure of an atom.

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

Have you ever heard of a bird building a structure of sticks and leaves in order to attract mates? You have now.

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

How much does your child know about the structure of his stomach? Learn a bit about this important organ with an informative anatomy sheet!

Did you know our sense of smell is also called "olfactory"? Learn about the structure and function of the nose with this human anatomy sheet.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

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

Our solar system might fit on this cool coloring page, but in reality it's 3.7 billion miles from the Sun to the dwarf planet Pluto!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Peek into the life of a praying mantis in this informative worksheet!