Curated OER
How hard is it?
Inquiry is probably one of the most fun ways kids learn. They will test the hardness of 10 different minerals in order to classify them. They rate each of the minerals from most to least hard. Note: Having real minerals for this...
Curated OER
What a Hard Test!
Fifth graders complete an exercise that introduces them to Moh's scale of mineral hardness. The scale is presented on the instructional activity, and learners answer three questions which have them assign a hardness rating based on some...
Curated OER
Moh's Hardness Test
Young geologists utilize Moh's hardness scale to help them correctly sort and classify different types of rocks. This lesson has everything you need, including an excellent example of the Mohs' Hardness Test, to successfully implement...
Cornell University
Investigating and Modeling Hardness
Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.
Curated OER
Understanding pH, Alkalinity, and Hardness
Young scholars comprehend the interactions of pH, alkalinity, hardness, and carbon dioxide in aquaculture water. They read the SRAC fact sheet number 464 "Interactions of pH, Carbon Dioxide, Alkalintiy and Hardness in Fish Ponds." ...
Curated OER
Hard C and Soft C
Students categorize different words that contain a hard c and a soft c. In this hard and soft c lesson plan, students also pick words from each of the categories and write a story with those words.
Curated OER
Determination of Water Hardness
Young scholars investigate water hardness. In this water hardness lesson plan, students determine the water hardness in 4 samples of water after buffering each. By using titration and an indicator, young scholars can determine the amount...
American Chemical Society
Crushing Test
Solidify understanding of the properties of crystals by crushing them to compare hardness. After some class discussion, a procedure is planned, and then small groups go about making observations as they crush five different crystal...
Curated OER
Hard Times - Essay Questions
For this literature worksheet, students respond to 20 short answer and essay questions about Dickens's Hard Times. Students may also link to an online interactive quiz on the novel at the bottom of the page.
Code.org
Hard Problems – Traveling Salesperson Problem
Even computers find this to be a hard problem. In the eighth installment of a 12-part unit, young computer scientists learn about the traveling salesperson problem. They formulate algorithms to solve the problem and find out why it is...
Avi Writer
Hard Gold: Teaching Guide
Designed for Hard Gold, a novel in Avi's I Witness series, this teaching guide includes a summary of the story and information about the writer as well as chapter-by-chapter vocabulary lists, text-based reading questions, activities,...
Curated OER
How Can We Tell The Hardness of Rocks?
Students complete a lab activity. In this hardness of rocks lesson, students observe and touch various rock samples. Students determine if they can make a scratch mark on any of the rock samples and use the Internet to learn how to...
Curated OER
Moh's Scale of Hardness
Students investigate how to use Moh's Hardness Scale. In this geology lesson, students examine several minerals and develop a hypothesis about which mineral is the hardest. Students use the Moh's Scale Identification Chart to determine...
Curated OER
Hard Times Quiz
In this online interactive reading comprehension worksheet, students respond to 25 multiple choice questions about Dickens's Hard Times. Students may submit their answers to be scored.
Curated OER
"Hard Times Come Again No More" : Letters From Arkansas Families in the Great Depression
Through this series of terrific lesson plans, pupils learn about the extent of poverty in the state of Arkansas during the Great Depression. They read documents from the period which describe how hard times were, view an online photo...
Curated OER
How Hard Were the Times? Investigating the Meaning and Significance of the Great Depression
Students examine causes and effects of Great Depression and its significance on twentieth-century life, analyze value of various types of historical information, specifically primary sources, and relate events, issues, problems, and...
Cornell University
Nano Interactions
Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water hardness....
Curated OER
A Voice for Hard Issues
Ouch! The final instructional activity in the 12-resource poetry unit models for young writers how poems can be used to voice hard truths.
Curated OER
Hard and Soft Cc and Gg
In this recognizing meanings of hard and soft Cc and Gg words instructional activity, learners use a word bank to identify the words being defined in a crossword puzzle. Students write 24 short answers.
Curated OER
Hard and Soft CC and Gg Word Search
For this spelling words with hard and soft Cc and Gg worksheet, students use a word bank to locate Cc and Gg words horizontally and vertically. Students find 24 words.
Curated OER
Practice With the Hard and Soft Gg Rule
In this recognizing the hard Gg sound and the soft /Gg/ sound in words worksheet, students use a word bank to categorize words in a T-Chart showing the two sounds. Students write 16 words.
Kiz Club
"C" Sound
Crayon, cat, cow... What do these words have in common? They all start with C! Have your kids practice the initial hard /c/ sound and practice the letter C by identifying the images that start with this letter.
Curated OER
Flannery O'Connor's "A Good Man is Hard to Find": Who's the Real Misfit?
Learners discuss the characteristics of the literary genre known as "Southern Gothic". They write an analysis of the short story, "A Good Man is Hard to Find" by Flannery O'Connor.
Curated OER
Work Hard and Work Smart: Designing for Athletes
Young scholars design new insights into work tied into athletes. Students design a sports bag for athletes. Young scholars investigate varied sports. They interview people involved in varied sports. Students engage in active problem...
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