Compass — Science definition
An instrument with a magnetized needle; its north-seeking end points along the local magnetic field.
Where it is taught
- Electric & Magnetic Forces — Forces, Physical Science: Matter, Forces & Energy, Grade 8
Questions using compass
Problem 1
A compass responds without touching a magnet. What model explains this?
Hints
State what the supplied observations or conditions establish, and separate that from any assumption.
Answer and explanation
The magnet produces a field at the compass; the compass's magnetic needle experiences a turning effect.
Taught alongside
- field
- repel
- controlled variable
- model
- evidence
- system boundary
- assumption
- electric charge
- polarization
- current
- coil
- electromagnet