Observe the water cycle from the comfort of your classroom with this excellent earth science experiment. Working collaboratively, young scientists first create terrariums complete with hills, plants, lakes, and an...

Science rocks! Explore three types of rocks and the rock cycle with an igneous rocks experiment. Pupils discuss textures, composition, and learn how melts are formed from the Earth's crust. They weigh materials using a scientific scale...

Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...

You don't have to travel far to learn about rocks, just step outside, pick up a stone, and begin investigating. After taking a class walk around the school grounds collecting rocks, young scientists practice their skills of observation...

What's black and white and can dive up to 1,800 feet under water? That's right, penguins! Learn this and many other amazing facts about these unique birds with this handy reference sheet.

Take young geologists on an exploration of the collection of rocks and minerals that we call Earth with an upper-elementary science lesson. Through a series of class discussion and hands-on investigations, students learn about the...

Molecules to the Max! refers to a movie released in 2009 about the world of atoms and molecules. A helpful discovery guide provides five posters on science topics typically covered at the middle school level. It also explains the...

Young geologists piece together the puzzle of plate tectonics in an earth science lesson. Given a physical map of the world, they search for land formations that indicate the location of different types of plate boundaries.

This resource provides an explanation of NASA's GALEX mission and how the space-based telescope can view distant galaxies as they were billions of years ago. The resource also discusses the other aspects of galaxies that GALEX...

Find out the characteristics that makes a bug an insect with a workbook designed to inform scholars about the crawly creatures that live around us. Scholars complete an ant-themed word search, answer questions using a solution key,...

Educate scholars on pollution—air, water, and land—with a series of lessons that begin with a thorough explanation of each type. Learners then take part in three activities to reinforce the importance of reducing pollution. They...

The sun will continue to rise in the east and set in the west, no matter what. The first lesson in a series of eight introduces the class to solar angles. It makes connections between a person's latitude and the angle of position of the...

Is wildlife affected the same way by different electricity generation methods? Teams work together to research four electricity generation sources and their impacts on wildlife. The teams create a summary report and share their...

Discover the life of brine shrimp with this interactive resource.

Learn about the three stages of the Calvin Cycle reactions: carbon fixation, reduction, and regeneration of the starting molecule. See how the products of the light reactions, ATP and NADPH, are used to fix carbon into sugars in this cycle.

Learn how cells use checkpoints to regulate the cell cycle. This article provides an overview of cell cycle control, outlining the factors that influence a cell's decision to pause or progress at each checkpoint.

Use this site as a resource to learn about the many aspects of water.

Learn about the movement of water from Earth's surface to the atmosphere with this site. Site describes the water cycle in words and with a diagram. Also explored on the page is the distribution of Earth's global water supply.

Through pictures, diagrams, and charts, learn how the ocean serves as a storehouse of water.

Learn about the life cycles of plants and animals then demonstrate what you know with activities, a quiz, and related resources.

Learn all about mealworms: their diet, life cycle, habitat, and how to learn about them in the classroom.

Coupled with a beautiful photo gallery, the National Arboretum sets out to explain the science behind why leaves of deciduous trees change their color in the autumn months. While temperature effects the colors, learn here what happens in...

Learn what rocks are, how they turn into soil, and their many different uses. Educational extras include a glossary, some do-at-home activities, a quiz, and answers to frequently asked questions.

Learn about the properties of nitrogen, how it was first formed, where it is found, and the importance of the nitrogen cycle.