Search Printable 3rd Grade Science Worksheets

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Your students will use this resource to analyze their vocabulary words and relate them to other ideas and concepts. It is a great graphic organizer for all content areas.

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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!

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

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.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

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.

What is wind energy? Teach your students how we can use the wind to create electricity!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

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.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

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

Find out the the cool science behind ice cubes with this fun worksheet.

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.