Rainforest Alliance
Investments in Forest Carbon
One hundred metric tons of CO2 can accumulate in one acre of forest over time—that's a lot of carbon! In the activity, groups of middle school learners determine what makes forests important. They then solidify the concept by using a...
PBS
The Lowdown — Poverty Trends: What Does It Mean to Be Poor in America?
Here's a resource that's rich with learning opportunities. Future mathematicians investigate the poverty rate in America over time. They use an interactive to compare the poverty rate during the Great Recession of 2008 to other years,...
Curated OER
Living Things Change and Grow
Students observe how nail polish on a fingernail and petals on a flower grow over time. For this change and grow lesson plan, students observe, discuss, and draw how living things change and grow.
Curated OER
Individual Sundial (Cloud/Rain Activity)
Students make a simple sundial to examine the changes in shadows over time. In this sundial and shadow lesson, students make a simple sundial out of a manila folder and pencil. They observe how shadows change over time, and relate it to...
Curated OER
Time in a Teakettle
Students compare and contrast the development of teakettles. In this artifacts lesson, students divide into groups and examine different teakettles. Students complete an artifact analysis worksheet, draw a picture of their kettle and...
Curated OER
Fossils and Geologic Time
Learners explore the development of the geologic time scale. They examine the major time periods in earth's history. Students discuss the role fossils play in helping us understand history.
Curated OER
Theories
Pupils view a series of videos that explore the development, formation and arguments for the geocentric model of the solar system. Studenst investigate the heliocentric model of the solar system and consider how scientific theories...
Curated OER
Prisons and Their Functions
Students explore the history of prisons. They examine how Reformers and Progressives influenced the functions of today's prisons. Students analyze whether or not the function of prisons has changed over time.
Curated OER
Taking a Trip Through the Regions
Students identify the location and characteristics of different regions throughout the world. Using this information, they compare and contrast the regions and discover how they change over time. They use the internet to research a place...
Curated OER
Role Models - Defining Positive Role Models
Being able to identify what characteristics make a good role model is one way for students to better understand their own positive behaviors. The class brainstorms what characteristics make up a good role model, research a role model...
Curated OER
Determining the Enthalpy Change of a Reaction
In this enthalpy of reactions instructional activity, learners use a known amount of copper (II) sulphate solution and an excess of zinc powder to calculate the enthalpy change of the reaction. Students measure the temperature change...
Curated OER
What's Your Speed?
Learners explore the concept of distance v. time. They use a CBR to collect data on their distance over time, then plot their data using a scatter plot and find an equation to model their data. Pupils discuss what if scenarios which...
Curated OER
From Past to Present
Here is an impressive lesson on how agricultural practices and technology have advanced over time. Thoughtful discussion topics, good warm up activities, and fine worksheets are all embedded in this eight-page plan. The plan comes from...
Curated OER
The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
Curated OER
"Pray, Why Speakest Thou Thusly?"
Examine popular language and slang and how they have changed over the course of American history. Conduct Internet research, use an online interactive Colonial House website to translate 17th century language into 21st century language,...
Curated OER
Create Hydrogen Energy
Learners complete an experiment to understand changes to the environment over time. In this hydrogen lesson, students discuss electrolysis and conduct an electrolysis experiment. Learners observe and record their experiment.
Curated OER
Aging & Body Changes
Students complete several activities that have to do with aging. In this body changes lesson plan students take group averages, measure flexibility and see their changes over time.
Curated OER
Changing Weather: Comparing Climate from Voyageur Times to Today
Fifth graders compare climates. In this weather activity, 5th graders observe and record weather observations and discuss the impact of weather on people. Students also discuss the concept of global warming and determine how weather...
Curated OER
Changing Images of Childhood in America: Colonial, Federal and Modern England
Students compare and contrast maps of New Haven, Connecticut from today and the past. After taking a field trip, they draw sketches of the types of architecture and discuss how the buildings have changed over time. They read journal...
Teach Engineering
Force on a Current Carrying Wire
What do electrical currents have to do with an MRI? Using a simple wire setup and a magnet, class members explore forces used in an MRI by investigating the magnetic force acting on a wire carrying a current.
Curated OER
A Comparison Study of Water Vapor Data to Precipitation over North America
Students use NASA satellite data to compare water vapor over the United States. In this data analysis lesson students use an Excel spreadsheet to map their data.
Global Oneness Project
Highways and Change
What is the cost of change? Roberto Guerra's photo essay "La Carretera: Life and Change Along Peru's Interoceanic Highway" asks viewers to consider the impacts of the 1,600 mile-long highway through Peru and Brazil that connects Pacific...
McGraw Hill
H-R Diagram
As a star ages its composition, size, and temperature change. Using an interactive simulation, learners explore these changes over the lifetime of a star. They see the change in temperature and luminosity graphically and a visual...
PBS
Coastline Change
Continental drift happens over millions of years, but new perspective shows much faster changes. An informative resource offers a short term perspective using a series of satellite images. Viewers observe major changes to a coastline in...
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