Curated OER
Similar or Not?
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.
Curated OER
How Can You Detect the Invisible?
Students participate in a lab activity in which they examine the characteristics of radon. They identify radon's link to cases of lung cancer. They complete a radon fact sheet and answer questions to end the lesson.