Not all liquids are the same. Investigate the viscosity of different fluids with a series of activities designed for eighth grade science. As learners move through learning centers with different experiment setups, they determine...

What is mu? Emerging scientists explore the coefficient of sliding friction, or mu, and apply its concepts as they complete activities in the interesting lesson. They measure the sliding friction between soles of their own athletic shoes...

Where is HIV/AIDS most prevalent and what are the current trends regarding HIV? Have groups work together to map the world's HIV/AIDS rates, then create a class map with all the data. Lesson includes cross-disciplinary concepts including...

Looking for an interesting text to share the world of microbes with your middle school classroom? The edition contains explanations, worksheets, experiments, discussions, and links to outside sources for a true and complete...

How can kids use math to learn about marine life? Combine math skills with science lessons in a resource featuring activities about life in the sea. Kids graph and calculate data, solve complex word problems, measure geometric shapes,...

When you think of one topic, related ideas and details invariably follow. That's concept mapping! Jot down ideas with a straightforward graphic organizer that works both electronically and as a printed resource.

Over a period of 35 years, earthquakes and volcanoes combined only accounted for 1.5 percent of the deaths from natural disasters in the United States. The 15th lesson in a 20-part series connects the locations of earthquakes and...

Between the pull of gravity and the push of air pressure, it's a wonder animals can balance or move at all. With a hands-on lesson plan about the center of gravity, learners discuss their own experiences with the topic, then work with...

Get close up and personal with a drop of water to discover how the polarity of its molecules affect its behavior. Elementary hydrologists split and combine water droplets, and also compare them to drops of oil. Much neater than placing a...

In 2015, Peter Cook found that sea lions with high levels of exposure to toxins suffered permanent brain damage if they survived at all. Scholars learn about the accumulation of toxins at various levels of the food chain. Using...

Your physical science class learns that there are three states of matter, and that adding or removing heat can cause it to change from one state to another. By the animations, printed information, and discussion between RJ and Zoe, they...

What happens when two teens collide? Find out when RJ runs into Chloe in the school hallway! After their collision, they discuss Newton's third law of motion. Their collision is replayed a few times to identify the action and reaction of...

Physics class sure can have its ups and downs! The first in a series of seven interactives from the Waves and Sound series introduces young learners to the concept of wavelength. Scholars work through the interactive to discover the...

Scholars voice their opinions about animal consciousness with an article that challenges common ideas about nature. After reading the article, learners engage in a thoughtful discussion before writing out their arguments...

Budding scientists fall hard for a gravitational field strength activity! Physics pupils compare the masses and distances relative to the center of planets using an interactive from a Circular and Satellite Motion series. Individuals...

With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.

The winds of change are blowing in our very own solar system!  But what makes some heavenly bodies more affected by solar winds than others?  Pupils discover the concept of magnetic forces at work in space in this...

Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...

Life on Earth is made possible by the unique composition of its atmosphere. Working collaboratively, a scale model is created as young scientists learn about the different layers of gas that surround the planet. Cards are included that...

Coal forms from the ancient remains of plants that were alive on Earth before the dinosaurs! Scholars use their t-charts from the previous lesson over resources and research to determine if their information is correct. Through analysis...

The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...

Students investigate the properties of plastic eggs filled with solids, liquids, and gases and use these observations to hypothesize whether a chicken egg is hard-boiled or raw.

Has your class wondered how fast a human could run or how high they are capable of jumping? Help them understand these concepts as they explore acceleration and use an accelerometer to make semiquantitative measurements of acceleration...

A controversial construction project in South America, the Belo Monte dam, is endangering local cultures, ecosystems, and communities. High schoolers create a concept map based on an online article they read before engaging in...