Curated OER
Making Oxygen
Use demonstrations to enlighten learners on oxygen's role in combustion. Use potatoes and hydrogen peroxide to increase oxygen concentration in a jar, then stick a glowing splint and a burning wad of steel wool into the newly formed...
Curated OER
Changing Planet: Ocean Acidification - the Chemistry is Less than Basic!
A video and laboratory investigation are highlights to this lesson on acidification of ocean water due to increased atmospheric carbon dioxide. Using bromothymol blue (BTB) as an indicator, pupils analyze the amount of carbon dioxide...
National Institute of Open Schooling
Colloids
Classes explore colloids through readings and questions in lesson 10 in a series of 36. They learn everything from methods of preparation and properties to how to classify colloids. They finish the lesson by seeing how to apply...
Curated OER
Blubber Mittens:Adaptation to Cold Climates
Students get a first hand look at the benefit of a "blubber layer" in cold climates through a simulation using vegetable shortening and icy water. Through this simulation, students examine how adaptations help organisms survive.
Pingry School
The Gelation of Guar Gum with Borax
Some of kids' favorite toys are the products of science experiments. Scholars follow precise measurements to mix and create their own slime and Play-Doh. They observe the changing textures and the chemical reactions throughout the...
Curated OER
All About Matter
Twenty-four questions about matter, the states of matter and the properties of matter make up this interactive online worksheet. Your class will determine the volume of water, the shape of water and the shapes of matter.
University of Wisconsin
Noting Notable Features for Rain Gardens
Eight groups in your class are each responsible for a different aspect of surveying the campus for a suitable rain garden location. Features to consider include water flow, topography, sun/shade patterns, land surface, vegetation,...
Curated OER
The Mighty Elements: Using the Visual Thesaurus to Investigate Chemical Elements
Pupils create trading cards for elements in the Periodic Table. Initially, they are introduced to the Periodic Table of Elements and the concept of elements in the world around us. After dividing into groups, learners use the Visual...
Curated OER
Weathering and Soil Formation
A set of 27 slides systematically shows how weathering, erosion, and deposition contribute to soil formation. Both chemical and mechanical weathering are described, as are resulting soil layers and properties. There is no longer any need...
It's About Time
Polymers
All plastics contain polymers, but not all polymers are plastic. Young chemists make their own polymer and compare the properties to those of other states of matter. After a reading passage, pupils answer analysis questions about natural...
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
Curated OER
How Am I Supposed to Eat THAT?
Students explain nutritional strategies of benthic organisms.They describe nutritional strategies of benthic organisms and describe these physical characteristics.
Polar Trec
South Pole Ice Cream!
How can you turn an ice cream activity into a scientific investigation? It's easy if you know ionic compounds, heat transfer, and the exothermic and endothermic process. Learners will explore the science behind freezing, insulation, and...
It's About Time
Solutions, Suspensions, and Colloids
Chemists are frequently in suspension, but not because they misbehave! Scholars mix various items with water to create solutions, suspensions, and colloids. They test each one to determine their differences and properties. The resource...
LABScI
Viscosity: The Fluid Lab
There's more to fluids than meet the eye—they include gases, liquids, and polymers, too! Scholars complete three hands-on activities exploring different properties of fluids. They explore viscosity by measuring the resistance, or...
Curated OER
Cool and Not-So-Cool Materials
Why do some materials feel cool to the touch, but not others? Learn about thermal conductors and thermal insulators with a fun science experiment. First, kids read the results of an experiment with spoons and hot water. They then try...
Messenger Education
Cooling with Sunshades
Messenger's sun shade measures 8 ft x 6 ft and will have temperatures reaching 700 degree Fahrenheit on the outside while maintaining a cool 70 degrees underneath. In the third activity of four, groups discuss the basic properties of...
Cornell University
Renewable Resins and Composites
Merge chemistry with environmental science to study biodegradable materials. An engaging activity allows learners to experiment with different resin concentrations and composites. Through experimental tests, scholars test their creations...
Curated OER
Sink or Float?
Students investigate whether different objects sink or float in water using the Scientific Method. They listen to the book "Christopher Columbus" by Stephen Krensky, identify the steps of the Scientific Method, conduct the sink or float...
Curated OER
Solar Sweet Tea
Students study the sun. In this heat energy lesson, students use the sun's warmth to make tea. They place a few jars with tea bags and water in the sun and discuss what the sun is doing to the water while they wait for the tea to brew....
Curated OER
Rocks and Minerals
Students investigate the properties and uses of rocks and minerals. They build towers using only one material from a pile of stones, tiles, wood, etc. provided by the teacher. Students test the hardness of rocks by scratching them with...
Curated OER
Praire Biome Models
Fifth graders, in groups, list the physical characteristics of a biome and think of ways in which animals might have to adapt to live there and make a biome mobile ball that show the different types of habitats that shape the praire biome.
Curated OER
Chemistry 116 Exam 1, Spring 2009
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
Curated OER
Sensational Seaweed
Students compare kelp and land plants. In this sea plant lesson, students look at the role of algae in aquatic environments. They research the properties of kelp and explore seaweed.