1) What is magnetism? a) The force of attraction or repulsion of magnetic materials b) The force of gravity acting on objects c) The force of friction between two surfaces 2) What are the two poles of a magnet called? a) East and West b) North and South c) Up and Down 3) What is the area in which the magnetic force is felt called? a) Gravitational Field b) Electric Circut c) Magnetic Field  4) What is the relationship between electricity and magnetism called? a) Electromagnetism b) Electrostatics c) Electrocution 5) What do batteries change chemical energy into? a) Electricity b) Heat c) Light 6) What type of material allows heat and electricity to pass through it? a) Insulator b) Conductor c) Semiconductor 7) What type of material does not allow heat and electrons to move through it easily? a) Insulator b) Conductor c) Semiconductor 8) What is static electricity? a) The buildup of charges on an object acquired by friction, conduction, or induction b) The flow of current in a closed circuit c) The movement of electrons in a wire 9) What is the loss of static energy as electric charges transfer from one object to another called? a) Electric Shock b) Static Discharge c) Lightening 10) Which materials have strong magnetic properties? a) Ferromagnetic Materials (e.g., Nickel, Iron, Cobalt, Steel) b) Non-magnetic Materials (e.g., Wood, Plastic, Glass) c) Superconductors 11) What is one way to increase the strength of an electromagnet? a) Use a thinner wire b) Decrease the voltage of the wire c) Increase the stregnth of the battery 12) What is an electromagnet? a) A permanent magnet that never loses its magnetism b) A magnet made from natural materials like iron c) A magnet created by passing an electric current through a coil of wire 13) How can you increase the strength of an electromagnet? a) By using a shorter wire b) By increasing the number of turns in the coil c) By decreasing the current flow 14) What is the main advantage of an electromagnet over a permanent magnet? a) Electromagnets are cheaper to produce b) Electromagnets can be turned on and off c) Electromagnets are stronger

Electricity and Magnetism! Checkpoint Review #1!

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