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

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Brr! Kids completing this preschool science worksheet circle the appropriate clothes for winter weather.

Arm your budding physicist with a free print-out version of the periodic table of the elements!

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Which shoes are better for a rainy day, sandals or boots? This worksheet helps kids think critically about what things they see when the rain is pouring.

Share a star-gazing session with your little astronomer! This constellation chart is full of fun stories about the different groups of stars.

Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

What's your favorite thing about the rain? This rain writing prompt gets your child to use his powers of description to write about what happens on rainy days.

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.

Little farmers will enjoy planting a paper garden with this life science activity! She will get to color, cut out and sort the different veggies.

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space science worksheet!

Is your child delighted by dinosaurs? If so, he's sure to love this word search filled with hidden dinosaur vocabulary.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Why is it harder to throw a bowling ball than it is to throw a beach ball? The answer is in Newton's second law of motion!

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

Splish, splash! It's a warm spring day, but a rain shower is on the way! Kids completing this preschool science worksheet circle clothes for spring weather.

This colorful, cut-and-paste worksheet teaches your kindergartener the parts of a volcano.

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

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Ever lay on your back to look at the clouds? Now you'll know which types of cloud make up all those silly shapes you see with this diagram.

All living things go through cycles. Learn about the life cycle of an amphibian with this diagram of the life of a frog!