Question 1: What is the name of the invisible force that a magnet produces?
Gravitational field
Electric field
Magnetic field
Correct Answer: Magnetic field
Question 2: What is the name of the device that uses a magnet to show directions?
Barometer
Thermometer
Compass
Correct Answer: Compass
Question 3: Name the planet that has the strongest magnetic field in our solar system.
Saturn
Earth
Jupiter
Correct Answer: Jupiter