Avi Writer
The Cross of Lead, At the Edge of the World, and The End of Time
A fan of Ari's Crispin trilogy? Here is a packet that contains study guides for all three Crispin novels: The Cross of Lead, At the Edge of the World, and The End of Time.
PBS
Real-World Proportional Relationships: Gender Wage Gap
When will the gender wage gap disappear? Scholars use a provided infographic to see trends in wage gap over time. They use ratios of women's wages to men's wages to determine which decades had the greatest change in the wage gap. The...
Concord Consortium
Protein Folding Exploring
The potential energy of peptides varies over time as they fold. An exploratory simulation encourages pupils to play with various strands of amino acids to observe the folding and potential energy levels. Young scientists generate all...
US Department of Commerce
Diversity: Minority Entrepreneurship and the Economy
Using data from the Census Bureau, learners discover the growth in minority-owned businesses over time. After crunching numbers, analytical questions probe the reasons behind the shift.
Curated OER
Location
Students explore the tools used by Columbus to chart his latitude. They study the change of a location over time.
Curated OER
Old Toys
It's funny how things change over time. Show your class how different and similar toys from the past were to the toys of today. Each slide contains an image, name, and description of a toy typical of those used in the 1800's and early...
Biology Junction
Seed Plants: Gymnosperms and Angiosperms
One of the reasons plants found success on land relates to seed development. Scholars learn about many different forms of seeds and how they changed over time. It describes the structure and function of many different types of seeds in...
Curated OER
Sweetheart Jewelry
Students use the Internet to research the history of Valentine's Day. They learn how valentines changed over time and individually design and create their own valentine messages. To end the lesson, they make their own jewelry out of...
Growing Minds
Lettuce Exploration
Kathy Henderson’s book And the Good Brown Earth introduces the class to how a vegetables grows and changes over time. They use different types of lettuce to do a close study of this quick-growing vegetable. Learners consider the look,...
Curated OER
Unit 21 Terrariums
The history of terrariums and how to construct one are presented in this PowerPoint. Each important step aspect of terrarium care is discussed: selecting a container, drainage, soil, types of plants, and maintenance. You will want to...
Curated OER
Walking Down Main Street: The Changing Times of a Railroad Town
Students explore the historic district via a scavenger hunt. In this community history lesson, students complete a scavenger hunt using historic postcards and clues as guides. Students create a timeline demonstrating changes of the area...
Curated OER
The Change of a River
Students explore changes in the Missouri River. In this Missouri River lesson, students discover that changes in the atmosphere cause changes in the river. Students search the Internet for information about the Missouri River and its...
Curated OER
Earth's Rotation Changes and the Length of the Day
In this Earth's rotation and day length worksheet, students are given a table with the period of geological time, the age of the Earth and the total days per year. Students calculate the number of hours per day in each geological era,...
Curated OER
Don’t Cry Over Spoiled Milk!
Seventh graders explore how milk spoils over time. In this biology instructional activity, 7th graders discover how pH changes as microorganisms enter the food and multiply. They explain the benefits of pasteurization process.
Curated OER
Heat Transfer & Phase Changes
In this heat transfer and phase change worksheet, students experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...
Curated OER
Through Time: Change in Sedona
Students locate events on a timeline of Sedona, Arizona and describe human and physical characteristics of the city. For this Sedona lesson plan, students locate the city on a map and listen to stories about Sedona.
Curated OER
Those Changing Theories.
Students investigate the developing theories towards a heliocentric models of the solar system. In this science based instructional activity students explore how science theories change over time based on evidence. Students view...
Curated OER
Tread Lightly: Our Changing Climate
Students examine the concept of climate change. In this environmental studies lesson, students research Internet and print sources regarding global warming and discuss their research findings as well as their impressions.
Curated OER
What Makes Time Tick, or Has the Industrial Revolution Really Made Clocks Go Faster?
Students explore the concept of time both historically and in their own lives. Students count the number of times they refer to a clock and the number of scheduled and unscheduled activities in their lives. Students discuss how the...
Curated OER
Demography of Roosevelt Over Time
Students examine how the demographics of their high school have changed over time. After collecting and graphing data, they write their conclusions. They share their analysis with the class and compare them with others.
Science 4 Inquiry
Let's Get Moving
Rivers top the list of causes of erosion over time. Scholars experiment with wind, water, and ice reshaping sand. They connect the simulations facts about erosion and deposition to understand unique landforms such as the Grand Canyon and...
Curated OER
Then and Now
Students explore population and come to understand how it changes over time. In this census lesson, students discover what population is and how it changes as they participate in age-appropriate activities.
Curated OER
These Maps are for the Birds
Students identify and study New York State Breeding Bird Atlas maps to learn where different bird species nest and how their distributions have changed over time. They also identify how maps serve as representations of a geographic...
Curated OER
Women in Society
Learners survey similarities and differences in the role of women in Japanese and American culture and how these roles have changed over time. They predict what roles for women in Japan might have in the future and identify the...
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