Baylor College
Digestion
Digestion is an amazing and complicated process that provides humans with the energy they need to survive. Lesson six in this series on the science of food uses sliced turkey and a meat tenderizer to demonstrate how enzymes help break...
Science-Class.net
Rock Candy Crystals
Candy is one of my favorite words, and it's an even better word when it relates to science. Yes, candy science can happen when you grow rock candy crystals with your class. The entire process for growing these edible wonders of nature is...
Curated OER
Ghost Crystals - Light & Water
Woo, ghost crystals, just in time for Halloween! Young scientists experiment with light and water as they make and observe ghost crystals. The lesson does not include the process for making the crystals, but provides a web link where a...
Smithsonian Institution
Watching Crystals Grow
Amazing science can sometimes happen right before your eyes! The class gets cozy as they watch crystals grow. They use Epsom salts, rocks, and food coloring to create crystals. They'll observe the entire process, documenting every step...
Curated OER
Celery Lab
How do sugar and salt affect celery's mass, width, and flexibility? Using simple household ingredients, young scientists will perform a controlled experiment to find out. The lab is scaffolded through a worksheet, but there are no other...
Nuffield Foundation
Modelling the Human Ventilation System
Why is breathing so difficult for asthma sufferers? To find out, learners build their own lung models in the investigation (from a British website, hence the term ventilation system instead of respiratory system). Using different-sized...
Oregon Museum of Science and Industry (OMSI)
DNA Extraction
What does your DNA actually look like? Use simple materials with this experiment to find out! Geneticists of all ages can follow these instructions to extract their own DNA. For learners who are hoping to extend the activity, there are...
Curated OER
Greenhouse in a Bottle
Young atmospheric scientists create models of an atmosphere with and without clouds to determine the effect of cloud cover on Earth's temperatures, as well as figuring out whether dark or light surfaces absorb more energy. You may wish...
Curated OER
Investigating the Response of Worms to Soil Improvers
The worms crawl in, the worms crawl out, but do they care what soil is all about? Find out in an easy and fun controlled experiment. Have your young biologists hypothesize, test, and draw conclusions about which type of soil worms...
Curated OER
Cloning a Living Organism
It's the attack of the clones! Not to worry; these are just plant clones. Teen horticulturalists will enjoy growing their own clone into a plant in an activity designed to be revisited after a few weeks. It is one experiment that kids...
Curated OER
Curricular Correlations
Here is a terrific way to teach your oceanographers about the effects that the ocean have on the weather and climate found throughout the world. In it, pupils engage in a science experiment designed to emulate how the ocean affects...
NOAA
What's New?
Biodiversity in some areas is more diverse than one might think. Using a two-day lesson, pupils consider the biodiversity of the Hudson Canyon and the characteristics of one organism. They begin with an analysis of the common earthworm...
US Department of Energy
Solar Distiller
Explore the sun's ability to distill contaminated water with this simple set of classroom experiments. After filling two glass bowls, one with muddy water and the other with salt water, they are covered with plastic wrap and placed in...
Michigan Sea Grant
Wetlands
Wetlands may not sound particularly ornate, but they are as important as any habitat! With a hands-on activity, young scientists build a wetland model and observe its many functions in action. They discover the importance of wetlands to...
Curated OER
A Field of Beans
Beans, or legumes as they are sometimes called, are the topic for an integrated multi-subject lesson. Youngsters will read, write, observe, and research everything there is to know about beans. They read a bean story, conduct a bean...
Curated OER
The Beet Goes On
Root vegetables inspire the series of activities included here. Class members participate in activities related to language arts, social studies, science, visual art, and math. At first, the long list might feel overwhelming; however,...
Curated OER
Dirt Babies
What exactly is a dirt baby, you might ask. Look over the plan to find out! All of the materials and procedures necessary for creating a dirt baby, such as grass seeds, dirt, and nylon stockings, are listed, along with ideas for...
Alabama Learning Exchange
What Burns When a Candle Burns? an Introduction to Using the Scientific Method
Middle schoolers use the scientific method to discover the role of a candle's wick and how radiation allows candle wax to change from solid to liquid to gas. They work in small groups to use the steps of the scientific method approach in...
Michigan Sea Grant
Water Quality
Learners observe water samples and measure the samples' water quality. Students develop their own criteria for measuring water quality and test for temperature, acidity, oxygen levels, turbidity, conductance, sediment and hardness.