Curated OER
Species Identification Using Dichotomous Keys
To help your students unlock the wonderful world of living things, teach them to use a dichotomous key.
Curated OER
Dichotomous Keys
Third graders practice using dichotomous keys. They discover why scientists use them and why it is important to classify animals. They use candy to practice classifying objects and move on to classifying animals.
Curated OER
Classifying Rocks
A well-designed lesson plan on rock classification awaits you. In it, fifth graders are divided into groups. Each group is given a box of rocks which they must sort into two categories. They use the "Rock 'n Roll Rule," in making their...
Curated OER
Everybody Needs a Rock
Students, after making quantitative and qualitative observations of their rocks, construct a Venn diagram or dichotomous key to classify their rocks.
Curated OER
Classifying Rocks
Fifth graders examine and participate in the process of classifying rocks. In small groups, they sort the rocks into two categories and complete a Venn diagram. Next, they select three rocks, and complete a worksheet that is in the...
Curated OER
Mystery Minerals
In this science activity, students complete a chart of mineral properties. Minerals are listed by number, and students perform various tests to determine luster, hardness, color, streak color, fracture type and cleavage type. They use a...
Cornell University
Classification
Explore the scientific method of classification. An interactive activity asks learners to create a classification system for a group of objects and develop a flow chart to communicate their systems. In addition, individuals use a...
Curated OER
Mystery Minerals
Learners minerals and how they form. They investigate the classification of minerals according to physical properties. Students watch a video about mineral characteristics. In groups, learners participate in hands-on activities and...
Curated OER
Species and Specimens: Exploring Local Biodiversity
Students practice skills essential to all scientific investigation: carefully observing and collecting data. They become field biologists in a series of hands-on activities to collect and identify specimens, and survey and calculate the...
Curated OER
What Critters Tell Us About Water Quality: A Macroinvertebrate Lesson
Students explore our ecosystem by investigating the quality of our water. In this aquatic insect lesson, students examine a group of random insects collected from different streams and ponds in the area. Students record their...