Journey Through the Universe
Comets: Bringers of Life?
Young scientists investigate the elements found in our solar system and then construct a model of a comet. They apply their new knowledge to the formation of the solar system. 
National Institute of Open Schooling
Coordination Compounds
Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...
Virginia Department of Education 
Thermochemistry: Heat and Chemical Changes
What makes particles attract? Here, learners engage in multiple activities that fully describe colligative properties and allow the ability to critically assess the importance of these properties in daily life. Young chemists...
Discovery Education
Motion in the Ocean
How do temperature changes affect ocean currents? Scholars explore convection currents by demonstrating the flow of water in a baking dish. They use ice, heat, and food coloring to see currents. Then, they draw conclusions about their...
Jefferson Lab
The Periodic Table of Elements
A study of the periodic table of elements doesn't have to be elementary! Deepen understanding of the building blocks of chemistry with an interactive periodic table. At first sight, the table looks like a standard reference page, but a...
American Museum of Natural History
Journey to the Stars
Fifteen detailed pictures and informative captions delve deep into the exploration of stars—their life cycle and importance in the universe. 
Curated OER
Environmental Studies: The Power of Wind
Investigate the prospect of wind as a renewable resource. Second and third graders make a pinwheel, answer critical thinking questions, and then attempt to use wind power to wind string. I would be more apt to use this activity in a 1st...
Curated OER
What is an Ecological Footprint?
Introduce youngsters to the term ecological footprint. Learners identify ways in which humans affect the environment. They look at the problems associated with the use of natural resources, and focus on ways to preserve natural...
Curated OER
The Risks of Everyday Living
Students compare their perceptions of risk to the perceptions of scientists and risk professionals. in small groups, they evaluate risks on a scale of 1 to 10 for the average American on a yearly basis.
Curated OER
The Mathematics of Convection: Nature's Model for Energy Production
High schoolers conduct a series of experiments to investigate density, buoyancy and climate. In this math lesson, pupils design and build a hot air balloon to demonstrate convection. They research and write a paper about solar chimneys.
Curated OER
The Properties of Clay
Sixth graders determine the physical properties of clay by examining ceramic works of art. They evaluate local soil samples for suitability for sculpting and compare clay taken from soil to manufactured clay.
Curated OER
Fossil Fuels (Part III), The Geology of Coal
Do not overlook this set of lessons just because your school does not have a data analysis system. There is plenty of material here to administer a complete mini unit on the formation, distribution, and properties of coal. Since it...
Science 4 Inquiry
An Investigative Look at Florida's Sinkholes
In May of 1981, the Winter Park Sinkhole in Florida first appeared and is now referred to as Lake Rose. Scholars learn about the causes of sinkholes through an inquiry project. Then, they analyze recent data and draw conclusions to...
University of Minnesota
Mirroring Emotions
Do you ever give your class the "teacher look"? Without saying a word, they become silent and engaged (hopefully). How do they know what you're thinking? Explore the concept of nonverbal communication and how it relates to our...
Environmental Protection Agency (EPA)
The Case of the Mysterious Renters
Upper-elementary kids examine the water usage in their own home, then use that data to solve a case in which a landlady is trying to determine how many people are living in an apartment being rented. Combine math, scientific method, and...
Curated OER
The Absorption of Solar Energy
Two sequential parts to this lesson introduce your class to the electromagnetic spectrum, the ability to absorb radiant energy, and the pigments in leaves that are responsible for collecting sunlight to be used in the photosynthetic...
PHET
Features of the Sun
There are so many things to discover about the sun! Pupils discuss their knowledge of the sun, explore its features, apply their knowledge by labeling photographs, and then reflect on their learning by working in groups to draw and label...
PHET
The Earth as a Magnet
Everyone loves playing with magnets and iron filings. Here, young scientists first observe and then participate in an activity demonstrating magnetic fields. After completing their observations, they apply this knowledge...
NASA
Cosmic Microwave Background
Begin your next class with a BANG! Pupils discuss the formation of our universe and its expansion before proceeding with an activity designed to demonstrate what most likely occurred billions of years ago. They conclude with a discussion...
National Nanotechnology Infrastructure Network
Powers of Ten with the Blue Morpho Butterfly
Explore the powers of ten while examining a Blue Morpho butterfly wing. Learners discover there is a lot more than meets the eye when one looks close enough.
PHET
Earth’s Magnetic Field from Space
Feel the pull of science! The final installment of this 18-part series is an application of everything learned in the previous high school lessons. Scholars are given a magnetic field map and must propose an arrangement of magnets that...
Teach Engineering
Bees: The Invaluable Master Pollinators
There is nothing in the world quite like a bee. Here is a video that explains the importance of bees to pollination. Scholars consider possible solutions to the declining population of bees in the ninth and final installment in the series.
National Wildlife Federation
Meet the Extractors, Harvesters, and Harnessers: Methods, Technology, Benefits and Consequences in Acquiring Natural Resources
There are advantages and disadvantages to all sources of energy; the trick is determining which one has the least impact! Part six in the series of 12 has learners further explore energy resources. After reading information about one of...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...