Download NOT

Name _________________________
Chapter 3 Science Notes
Lesson 1: What is an Electric Current?
After Reading draw arrows to show how the balloons will move.
Fill in the vocabulary words.
_____________________________ is a measure of how much a material opposes the flow of electric
current and changes electric current into heat energy.
_____________________________ is a material through which electric current passes easily.
_____________________________ a material through which electric current does NOT pass easily.
DRAW THE WIRES TO
COMPLETE THE CIRCUT
Will the bulb light? Why or why not: _______________________________________________________
_____________________________________________________________________________________
Name _________________________
Chapter 3 Science Notes
How does an object get an electric charge?
What happens to en electric current when a circuit is closed?
Lesson 2: How do electric circuits work??
____________________ a circuit that connects several objects one after another so that the current
flows in a single path.
____________________ a circuit that connects several objects in a way that the current for each object
has its own path.
Draw a series circuit with 2 light bulbs:
Draw a parallel circuit with 2 light bulbs:
How is a series circuit different from a parallel circuit?
Name 3 ways to use electricity safely.
Name _________________________
Chapter 3 Science Notes
What is Magnetism?
_________________________ anything that pulls iron, steel, and certain other metals to it.
_________________________ the force around the magnet.
_________________________ the space around the magnet where magnetism acts.
_________________________ a place on the magnet where the magnetism is the strongest.
Draw what happened when you put the oppisit poles of your magnets together.
Draw what happened when you put the same poles of your magnets together.
Draw how the iron filings reacted to theses magnets.
S
N
N
N
S
N
Name _________________________
Chapter 3 Science Notes
___________________________ a small magnet that can turn freely.
How could you use a compass?
Draw Earth’s Magnetic Field.
What is the other name for the northern lights? ________________________
What is magnetism?
How is magnetism useful?
What causes the northern and southern lights?
Name _________________________
Chapter 3 Science Notes
How do Electricity and Magnetism Work together??
________________________ a machine that uses an energy source and a magnet to make electricity.
________________________ a magnet made when an electric current flows through a wire.
Draw an electromagnet below, I got you started with the battery.
How can a coil of wire and a magnet be used to make electricity?
How can electricity be used to make a magnet?
Why are some electromagnets some times more useful than regular magnets?
In your own words write down the steps that it takes to make an electric fan run.