Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Here's a beautiful science page to help your child learn the different types of clouds.

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?

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

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

Investigate the practice of deforestation in a real-world context with this two-page environmental science worksheet.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

A coloring sheet of a Mars rover searching for life on other planets.

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

Explore the impact of urban development in this engaging environmental science worksheet for middle grades!

Explore the impact invasive species have on the environment with this research-based graphic organizer!

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

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

Get to know your Jurassic from your Cretaceous in this handy geologic time periods chart.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Dig in to the layers of the earth with this science coloring page!

Ever wonder what the earth is made of? Help your little scientist to examine the different types of soil particles with this worksheet.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Teach your kids all about the second planet from the Sun with this simple science sheet.

How well does your child know the layout of our Solar System? This worksheet focuses on the biggest planet, Jupiter.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

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

Understand nature's visual cues for the shifting of the seasons with this tree seasons match-up activity!

Did you know that there are forests in the temperate ocean ecosystem? Learn all about the temperate ocean with this fun ecosystems sheet!

Use this lightning diagram to go along with what your child is learning about weather systems in school!