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.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

Test your students' knowledge and memory of periodic table elements with this crossword puzzle.

Learn about the badgers that live in Yellowstone National Park.

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

Get a light lesson in the darkest of creatures, the raven.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Young astronomers unscramble words to reveal the heavens in this fun space 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.

Is your child trying to answer the question what is weathering and erosion? This info sheet gives good definitions of the terms and some visual examples.