University of Colorado
Happy Landings: A Splash or a Splat?
Huygens spacecraft landed on Saturn's moon Titan in 2005, making it the farthest landing from Earth ever made by a spacecraft. For this hands-on activity, the 12th installment of 22, groups explore how density affects speed. To do this,...
Chicago Botanic Garden
Carbon, Greenhouse Gases, and Climate
Climate models mathematically represent the interactions of the atmosphere, oceans, land, sun, surface, and ice. Part two in the series of four lessons looks at the role greenhouse gases play in keeping Earth warm and has participants...
Curated OER
Lead and Mercury Ion Catalase Inhibition
Learners participate in a laboratory investigation in which they observe the effect of temperature and pH on enzyme activity. Students also examine exposure to heavy metal ions and the effect that may have on enzyme activity.
Wild BC
The Greenhouse Effect: Warming the Earth Experiment
First in a two-part lesson on the greenhouse effect, this lesson involves a classroom demonstration of the phenomenon, and a lab group experiment with color and absorption. Although there are easier ways to demonstrate the greenhouse...
Education Outside
Papermaking
Imagine recycling food scraps and using them to make paper. The directions are all here in a seven-page packet that details several paper-making strategies.
Kenan Fellows
What Is Heat?
If objects have no heat, how do they can gain and lose it? Scholars experiment with heat, temperature, and specific heat of various substances. They create definitions for these terms based on their own conclusions to complete the fourth...
Curated OER
What's the Matter? (Experiments)
Learners observe a scientific discrepant event, and are then challenged to create experiments to solve the dilemma.
Curated OER
Environmental Studies: The Environment Rocks!
Rock exploration, so exciting! After reading the book Everybody Needs a Rock, the class makes sandwiches to better understand that the Earth is made in layers. They then use a description of the 3 types of rock to conduct an observation...
Curated OER
Natural Indicators: How Do They Work?
Students describe characteristics and common uses of acids and bases. They describe the role of natural indicators in the chemistry of acids and bases after testing and making observations on a variety of plant extracts. Students observe...
Curated OER
Water and Ice
Students conduct an experiment. In this forms of water lesson, students observe ice to see what changes take place and then write in their journal about what they observed.
Curated OER
The Chemistry of Ice Cream
In this chemistry of ice cream instructional activity, students investigate colligative properties and how they affect freezing points while making ice cream. Students answer short answer questions to determine if freezing is an...
Curated OER
Lesson 6: Resonance
Students participate in a lab activity using three tuning forks of different frequencies and a Resonance Tube Set purchased from Sargent-Welch to take measurements of resonant lengths of the tuning fork frequencies. Students then try to...
Curated OER
Atoms : A Self Guided Computer Activity
"Self-guided Computer Activity" simply means that young chemists read through the slides and take notes about atoms along the way. There is an abundance of text on each slide, making this a comprehensive introduction to atomic structure....
Curated OER
Activity #8 Which State Are You In?
Learners define, give similarites and differences between solids, liquids, and gases. They compare and contrast a solid, liquid and gas in terms of shape, volume, compressibility, diffusion and density. Pupils classigy common...
Curated OER
Critter? Growth
Learners identify and use the elements of the scientific inquiry to solve problems. They explain concepts about the structure and properties of matter. Pupils write an explanation of polymers and how the characteristic of polymers...
Curated OER
Emulsion_ Compulsion
Learners experiment with common household products to determine the properties of emulsions and how they fit into the classifications of matter through this series of lessons.
Curated OER
The Big Meltdown
Students work together to develop a container to keep an ice cube in a solid state. They identify the three stages of matter and test different materials for this experiment. They share their results with the class.
Curated OER
Investigating Earth's Materials
First graders compare and contrast water from different sources. After collecting water from various sources, 1st graders create a list of observable properties of the water. Students then pour the water into a filter and observe the...
Curated OER
What Changes Occur When Water Freezes?
Young scholars investigate the changes that occur at the molecular level when a liquid becomes a solid. They freeze water in baby jars and observe the changes that occur in the process.
Curated OER
You Light Up My Life: Developing a Scientific Theory for What Fuels a Candle's Flame!
Students examine how candles work and how scientific theories are developed and tested. Students propose hypotheses about what is burning in a candle then perform tests in order to develop their scientific theory. After a teacher...
Santa Monica College
The Density of Liquids and Solids
There are underwater rivers that flow on the ocean floor thanks to a difference in density. Scholars learn about the density in both liquids and solids in the second activity of an 11-part series. They then determine the density of...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Curated OER
It's A Gas!
Fifth graders complete a worksheet which has them place a list of gases in order from the least to the most dense. The density in grams is given for each. There's a good paragraph which provides background knowledge about the volatility...