Curated OER
AC metrology
In this learning exercise, students are asked 11 questions about AC currents and transformers and volt meters. Students can check answers online.
Curated OER
Circuit Breakers
Fifth graders build a circuit breaker and examine its function within a circuit.
Curated OER
Conservation of Energy
In this energy activity, students review the law of conservation of energy and how energy is transformed from one form to another. Students complete 10 matching, 10 fill in the blank, and 7 problems to solve.
Curated OER
Student Exploration: Circuit Builder
In this circuit builder learning exercise, students use the Circuit Builder Gizmo to answer 15 questions and complete charts about different kinds of circuits. Students will need to have access to the online Gizmo to complete the...
Curated OER
Cloning And b-Galactosidase
Learners investigate cloning using E coli cultures. Through laboratory exercise, they determine if E coli cells contain b - galactosidase.
Curated OER
PROTOPLAST PRODUCTION
Students are allowed to strip away the cell walls of plants cells (using enzymes) and then observe the resulting spherical protoplasts (plant cells minus the cell wall). They see that plants cells indeed have a plasma membrane in...
Curated OER
Protoplast Production (Plant Cells Without Walls)
Students explore the spherical protoplasts of plants. Students observe that plant cells have a plasma membrane in addition to the cell wall. Students plasma membranes, solutes and organelles.