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

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

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

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

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

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

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!

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.

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

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

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

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.

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.