Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

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.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

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

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

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.

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 the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Children get to know a few geology terms in this landform word search puzzle.

Discover how water flows in this informative environmental science worksheet!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Before we knew what the stars were, people would often tell stories about the pictures that the stars formed. This one is called Aquila, the eagle!

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

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.