In this demo, two circuits are constructed to enable comparison of the brightness of a light bulb placed in a circuit with one cell and the brightness of the same light bulb in a circuit with three cells connected in parallel. In Next Steps the potential differences of the two circuits are also compared.
Related Resources:
Teacher Demo or Activity: Pop Rocks - What a Gas!
Categories: Lab/Student Activity, Teacher Demonstration
This activity allows students to explore the composition of the candy Pop Rocks by observing the reactions that take place when Pop Rocks are placed in water. read more
Student Activity: What Time Is It?
Categories: Lab/Student Activity
The sky has been mystifying civilizations for thousands of years. Many civilizations have performed religious ceremonies and timed agricultural activities based on celestial events such as eclipses... read more
SPLISH, SPLASH, KERPLUNK!
Categories: Lab/Student Activity
The students and teacher will go on a walk around the schoolyard/community to collect a variety of natural objects. A further collection of items from the classroom will augment this. The sorting... read more