Curated OER
What Are Elements?
Students investigate elements by by defining scientific terms. In this Periodic Table of Elements lesson, students utilize a glass of water, and powdered fruit drink to perform a lab activity demonstrating properties of certain...
Curated OER
Density
Students find the mass, volume, and density of various objects. For this density measurement lesson, students observe how same-sized objects can have different masses, then use water displacement to find the density of each object and...
Curated OER
Liquid Level
Students observe liquids in different containers and then explore the concept that liquids have level surfaces. They identify those who are not at the center to reinforce the concept of liquid levels with a representational puzzle and...
Curated OER
Separating Soup Mix
Students use screens of three sizes to separate a mixture of five solid materials. They plan and conduct simple investigations using appropriate tools, measures, and safety rules and record and report observations, explanations, and...
Curated OER
Addendum to the Written Curriculum: Measuring Solids
Learners use standard rulers to measure the length of common classroom items - such as pencils, books, desk tops - in inches and centimeters, and measure weight in pounds. They also answer math questions, such as "How long is the front...