All Resources
Book Chapter
How Can You Represent a Magnetic Field?
The purpose of this assessment probe is to elicit students’ ideas about magnetic fields. It is designed to find out how students would represent a magnetic field using magnetic field lines. The probe is best used with middle and high school student...
Book Chapter
The purpose of this assessment probe is to elicit students’ ideas about magnetization. It is designed to find out how students would represent, at the particle level, a nonmagnetized versus a magnetized nail. The probe is best used with middle and ...
Book Chapter
How Can You Make an Electromagnet?
The purpose of this assessment probe is to elicit students’ ideas about electromagnets. It is designed to reveal where students think the magnetic effect comes from when wire is wrapped around a nail to make a magnet. The probe is best used with mi...
Book Chapter
Does the Type of Wire Make a Difference in an Electromagnet?
The purpose of this assessment probe is to elicit students’ ideas about electromagnets. The probe is designed to reveal whether students recognize that an electromagnetic effect can pass through an insulated wire. This probe is best used with middl...
Book Chapter
How Can You Make a Stronger Electromagnet?
The purpose of this assessment probe is to elicit students’ ideas about electromagnets. It is designed to reveal what variables students think affect the strength of an electromagnet. This probe is best used with middle and high school students. If...
Book Chapter
What Happens When You Bring a Compass Near a Current Carrying Wire?
The purpose of this probe is to elicit student ideas about magnetic poles. The probe is designed to reveal whether students think a magnetic field must always have magnetic poles. It is best used with high school students. If materials are available,...

