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WorksheetsWork sheet G 3 Electricity
Total questions: 68
Worksheet time: 50mins
The flow of electricity is an _____________________.
battery
resistor
electric current
Static electricity
Will the balloons ATTRACT or REPEL each other?
Static electricity can "jump" from the charged object to another object, causing . . .
static cling (objects sticking together)
electric discharge (shock!)
Two balloons are hanging from a stick.
One balloon has a positive charge and the other has a negative charge.
How would you expect the balloons to move?
there would be no movement
towards each other
away from each other
Why is the balloon attracted to the cat?
The balloon and the cat's hair have opposite electric charges
The cat sat in glue
The balloon is in love with the cat
The balloon and the cat's hair have the same electric charges
The pictures show objects that are charged and objects that are not charged. Which picture shows two objects with the same charge?
Aisha placed two balloons next to each other.
What are the charges on the balloons?
They are both positive.
They are both uncharged.
One is positive and one is negative.
One is negative and one is uncharged.
What happens if you put the same poles of two magnets together?
Nothing happens.
The magnets repel each other.
The magnets attract each other.
The two magnets become one magnet.
What is around Magnet?
pull
gravity
magnetism
push
Where is the strength of a magnet greatest?
at the North pole
at the South pole
at both poles
a magnet is equally strong throughout
What will be attracted to the south pole of a magnet?
only the north (N) pole of another magnet
only the south (S) pole of another magnet
anything made of iron
Which term means pull together?
radiant
repel
attract
Which term means to push apart?
repel
attract
refraction
All magnets have 2 of these
names
poles
sounds
What happens when the same poles are pushed together?
The poles will repel.
The poles will attract.
The poles will float.
The poles will sink.
The magnetic fields of any magnet are greatest
around the 2 poles
around the middle
around the South pole
around the North pole
Every magnet has a ______ pole and a ________ pole.
East, West
up, down
North, South
Magnets have areas on their ends that are called _________.
poles
North
South
magnetic field
How many poles does a magnet have?
2
1
4
3
____________________ poles repel
like
north
south
unlike
___________________ poles attract.
north
unlike
south
like
Particles are made up of positive charge and negative charge.
true
false
Electric charge can be seen
true
false
What happens when a negative charge meets with a positive charge?
attract
repel
What happens when a positive charge meets with a positive charge?
attract
repel
Do all objects have charged particles?
yes
no
Static electricity is the
electricity from balloon
the charge of the balloon
buildup of electrical charge
Select all that apply.
What product uses electricity?
computer
yo-yo
basketball
television
fridge
Magnetism is a force.
True
False
when matter has an overall positive or negative charge
neutral
electric charge
repel
insulator
transfer of particles with an electric charge between objects not touching
static discharge
electric charge
A flow of electrical charges is known as an ________________.
static electricity
electrical current
What causes a shock when a person touches a doorknob?
electric current
static electricity
The buildup of electrical charges on the surface of different objects causes _________.
electric current
static electricity
compass
magnetic field
Magnets can push or pull some __________ objects
wood
liquid
metal
plastic
Does a magnet attract or repel to an aluminum can?
repel
attract
What metals listed below are not magnetic?
keys
silver
paper clips
bolts
What is a pole on a magnet?
a place on a magnet where magnetism is
strongest.
a plastic toy and rubber band
an iron nail
a bolt
What will happen when a magnet is brought close to a jar filled with paper clips.
The paper clips will not move.
The paper clips will jump out of the jar.
The paper clips will move towards the magnet.
The magnet will repel the paper clips.
Magnetic force is a type __________that can move between objects, even when they are not touching.
wind
energy
heat
light
The magnetic force between magnets ________________ if there is more space between the magnets.
gets stronger
gets weaker
remains the same
What will happen as these magnets are pushed together?
They will attract each other.
Nothing will happen.
They will repel each other.
What is a magnet?
a piece of rubber that attract plastic
a piece of material that attracts other metals
a pole that attracts trash
a push or a pull
A _________________________ is the invisible force that surrounds a magnet.
bar magnet
a gravitational force
a magnetic field
gravity
Gravity ___ to the center of the earth.
pushes
pulls
attracts
repels
What do magnets do?
Push or pull things
Make things bigger or smaller
Make things change color
How is earth like a magnet?
They both have north or south poles
They are made of metal
They have oceans and land
Gold, silver and copper are --------- materials
Magnetic
Non-Magnetic
Non-heat conductor
People used gas to light their homes before the invention of the electric light.
True
False
What year was Thomas Edison born in?
1931
1846
Ohio
1847
What invention of Thomas Edison do we use the most often?
the phonograph
the telephone
the printing press
the light bulb
Thomas Edison was a great ____________.
inventor
student
man
woman
When Thomas Edison was a child, he became ____________.
blind
deaf
super strong
very smart
