Curated OER
Breaking News English: The Chicken Came Before the Egg
In this English instructional activity, learners read "The Chicken Came Before the Egg," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 10 true or false questions about the selection.
Curated OER
Introduction to Worm Bin Project
Students observe the decomposing process of the food chain in a worm bin. They observe whether the type of food fed to worms affect the castings given off during the decomposition process. They learn and practice graphing their findings.
Curated OER
Special Delivery-Opinion
Students are introduced to the concept of global climate change. Using data, they determine how much of the world is being affected by the increase in temperatures. They complete a worksheet and consider the evidence giving to them and...
Curated OER
Classroom Composting
Students observe and describe the cyclic nature of life. They identify and appreciate the importance of a balanced ecosystem. Finally, students compare and contrast biodegradable and non-biodegradable resources in nature and describe the...
Curated OER
Think Green
Students experience and practice compositing and recycling through hands-on-activities. They distinguish between which items from their trash can be recycled, composted and reused. The process for making recycled paper is also covered in...
Curated OER
1Word and Letter Match Puzzle
In this word and letter match worksheet, students match groups of 3 letters to words that contain each set. A reference web site is given for additional activities.
Science Buddies
Science Buddies: Fallen Arches: The Surprising Strength of Eggshells
Arches have been used for structural engineering since ancient times. This experiment tests the strength of a naturally occurring arch shape: the shell of an egg. How much weight do you think an eggshell can support?
Science Bob Pflugfelder
Science Bob: Eggshell Geode Crystals
Science Bob provides instructions for how to form geode crystals in eggshells using common supplies with information on why it works.
Science Education Resource Center at Carleton College
Serc: Acid Base Titration of an Eggshell
In this lab, students are scientists from the Department of Agriculture and presented with the problem that a farmer has brought to them. The farmer believes the problems are due to illegal dumping of PCB's and other chemicals that...
TeachEngineering
Teach Engineering: Acid Rain Effects
Students conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects.
Countries and Their Cultures
Countries and Their Cultures: San Speaking Peoples
San-speaking peoples do not constitute an ethnic group in the usual sense. The most widely known are those who call themselves "Zhu I oasi" (!Kung or Juwasi in most ethnographies), although the other peoples mentioned above have also...