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WorksheetsUnit 3 Lesson 4: Magnets and Magnetism
Total questions: 20
Worksheet time: 40mins
Which of the following best describes a magnetic field?
a measure of the length of a magnet
the force that pushes two magnets away from each other
an invisible region that surrounds the north pole of a magnet
a region around a magnet in which you can measure magnetic forces
Sometimes the north and south poles of atoms in a material will line up. What is the term for the region where this occurs?
a domain
ferromagnetic
magnetic field
magnetic pole
Which of the following determines whether or not a material is magnetic?
the density of the material
the weight of the material on Earth
the alignment of atoms in the material
the number of elements that make up the material
All atoms have magnetic fields with north and south poles. Where these atoms are located are called ______. (see image for help)
Atoms
Domains
Arrows
The domains in this picture ARE mostly aligned, so that makes the object _______.
Magnetic
Not Magnetic
The domains in this picture ARE NOT aligned, so that makes the object _______.
Magnetic
Not Magnetic
Which item would NOT be attracted to a magnet?
Steel Nail
Gold Necklace
Paperclip
Iron Table Legs
Which image shows how atoms would be aligned in a ferromagnetic metal?
Opposite poles_________,
Like poles __________.
attract, repel
repel, attract
Certain materials such as iron, cobalt and nickel that exhibit strong magnetic effects are called
ferromagnets
domains
solenoids
