Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

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

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

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Shake up your science studies with this worksheet about earthquakes.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Geared toward middle school learners, this worksheet helps students explore the relationship between a wave’s energy, amplitude, and frequency.

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.

Children match animals to their ecosystems in this life sciences worksheet.

These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Our understanding of the atom has changed over the past few hundred years! Read about a few different theories on the structure of an atom.

Learn the science of volcanic eruption with this cutaway diagram

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Use this heart anatomy sheet to learn all about your heart and how it works.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

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

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Budding botanists can master the different parts of a seed with this helpful diagram!

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

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

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

Collecting data is an important part of math and statistics. Practice gathering data using items around the house or classroom!

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!