Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Teach your child how we measure temperature with these printable thermometers!

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Help your child learn about one of the most elementary elements, gold.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

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

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Children will look at a model of the human arm and hand bones, then refer to a chart to label it correctly, in this anatomy worksheet.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Learn about your sense of touch with this Awesome Anatomy page on the nervous system.

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

Budding inventors can get a fun review of the simple machines with this word search.

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?

This page is all about building your kid's natural resources vocabulary words, along with research skills.

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

See just how connected the ears, nose and throat are with this anatomy worksheet!

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

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

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.