We found 43 resources with the concept hardness
Reaching Breaking Point: Materials, Stresses, and Toughness: Crash Course Engineering #18
11 mins 9th - 12th
New ReviewDon't let materials science break you. An informative video explains the mechanical properties of materials. It uses a stress-strain diagram to discuss elasticity, hardness, toughness, creep strength, and fatigue strength. It also...
Uses of Limestone - Cement, Mortar, and Concrete
5 mins 9th - 12th
This rock is on a roll! Introduce young geologists and environmentalists to the many uses of limestone using the fifth installment in a series of seven. Illustrate the components and properties of cement, mortar, and concrete, all while...
Rock On! Featuring the Igneous, Sedimentary and Metamorphic Trio!
1st - 3rd CCSS: Adaptable
Get your classroom rocking with this four-lesson earth science unit. Through a series of shared reading activities and hands-on investigations, young geologists learn about the three types of rocks and the unique properties of each.
Mechanical Properties of Chocolate: How Hard is Your Chocolate?
6th - 8th
Learners perform hardness testing on different bars of chocolate. In this hardness instructional activity, students calculate, measure, and identify the hardness of various chocolate bars. Learners will then use quantitative data to...