Budding scientists can learn about an important physical science concept with this worksheet all about density!

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

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!

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Find out all about the different parts of the eyes and how they work together to make vision possible.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

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.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

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

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

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Use your powers of prediction to project the future movement of playground objects!

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!