Magnetic Field - Pre Assessment

Magnetic field lines are closest together at the ____

• Poles

• Lines

T/F: Magnets can interact without touching

• True

• False

The motion of liquid ______ in the EArth's core creates a magnetic field.

• Iron

• Magnesium

Please CHECK OFF the definition for Magnetic Force

• Magnetic Field

• Magnetic Declination

• Magnetic Fan lines

• Magnetic tan lines

A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation its needle usually points north.

• Calculator

• Ruler

• Compass

• Map

Dylan puts two magnetic toy trains very close to each other on a track. What will happen next, & why?

• The trains will not move because the magnets are not touching

• The trains will move closer to each other because the magnetic force will pull the trains together

• The trains will move away from each other because the magnetic force will push the trains apart

• The trains will move away from each other because the magnets are not touching

T/F: A magnet is attracting when it pushes objects away from each other

• False

• True

This type of energy is always in motion:

• Potential energy

• Magnetic energy

• Force

• Kinetic energy

This type of energy is stored in an object or system:

• Kinetic energy

• Force

• Potential energy

• Magnetic force