Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Test your understanding of simple fractions with a multiple choice quiz!

Grab your trusty flashlight and get ready for a scientific treasure hunt!

Students practice adding and subtracting integers in this simple but effective seventh-grade math worksheet!

Give the Spanish words for a variety of creatures of the sea.

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

Solve this puzzle by solving each problem, using the answer from the previous problem.

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

Write in the Spanish word for the correct job for each clue and picture.

Immigrants at Angel Island were often given confusing questions designed to keep them from passing into the USA. Try out some historical questions yourself.

Add some punch to your own doodles with a quick lesson about how to draw light and shadows.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Kids completing this third grade math worksheet multiply by 6 to solve each equation and also fill in a multiplication chart for the number 6.

Give this worksheet to your 4th grader and see if she knows what these countries are or where they are.

Need a colorful way to impress your friends and family? This worksheet has got you covered!

Challenge your fourth grader to an entertaining and educational Sudoku puzzle. She won't even realize she's exercising her brain!

Celebrate Black History Month by learning about soul music and the history of African-Americans in pop music, all in this Hip-Hop Music worksheet!

Give your math learners practice finding the surface area of three-dimensional figures with this geometry worksheet!

Challenge your second grader to create a Sudoku masterpiece! Deciphering the puzzle and finding the correct number placement will boost a number of skills.

Ready for a picture-perfect Valentine's Day gift? Make this easy photo garland craft, the perfect way to surprise someone you love!

Use this trick to draw an ellipse and draw a circle without a compass, and you'll quickly see the difference between a circle and an ellipse.

This printable is a full set of playing cards with a season theme. Instead of spades, hearts, clubs and diamonds, these have winter, spring, summer and fall.

Help your budding mathematician use these multiplication tips and tricks to fill in a basic multiplication chart. He can use the chart as a reference sheet too.

Practice analyzing figurative language in context with this excerpt from C.S. Lewis’s classic fantasy novel, The Lion, The Witch and the Wardrobe!

Practice using a compass to find the directions!

Kids completing this third grade math worksheet multiply by 4 to solve each equation and also fill in a multiplication chart for the number 4.

In this worksheet, learners will put their geography skills to the test as they label all 13 colonies on a map.

In this summer writing prompt worksheet, children will describe their dream summer vacation.