Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!

Track down the missing matter in this fifth-grade science worksheet!