What is the spark in a plasma ball?
It's an electrical discharge
It is an electrical charge
Can we see electrical charges?
Yes, we can!
No, we cannot!
When positive and negative charges_______________,the matter is said to be neutral.
cancel each other out
repel each other away
attract each other
Electricians often wear rubber gloves to______________ themselves from getting an electrical shock.
protect
give
Which statement is FALSE?
Lightning can happen between two parts of one cloud
Lightning can happen between two parts of the ground
Lightning can happen between two clouds
Lightning can happen between a cloud and the ground
A positive charge and a negative charge__________ one another
attract
repel
When two objects touch _________________ between the objects.
charged particles move
charged particles cancel each other out
When two charges attract each other, that means__________
one is negative, the other is positive
both of them are negative
both of them are positive
The outside of an electrical wire is covered by _______________such as rubber or plastic.
an insulator
a conductor
The word “electricity” comes from the ancient Greek word for__________
amber
ancient
electricity
_____________in a cloud push down on the negative charges in the ground.
negative charges
positive charges
A ________________is the movement of static electricity from one object to another.
charge
discharge
The discharge of static electricity from your body into a metal doorknob can give you ____________
a big shock
a small shock
Choose the correct answer
There is only one kind of electricity
There are different kinds of electricity
Which statement is FALSE?
Positive charges move more easily than negative charges
Negative charges move more easily than positive charges
When matter has no overall electrical charge, it is ___________
positively charged
neutral
negatively charged
Lightning is the discharge of ___________inside a storm cloud
static electricity
atoms and particles
The safest place in a lightning storm is_____________________
in a lake
in a building
a pool
Which statement is TRUE?
Positive charges move more easily than negative charges
Negative charges move more easily than positive charges
When two charges repel each other, that means__________
one is negative, the other is positive
both of them are negative or positive
Why does rubbing produce a larger buildup of charge?
Because it causes objects to touch in fewer places
Because it causes objects to touch in more places
8. When you hold a negatively charged balloon near a wall, it ________________ the negative charges in the wall.
attracts
repels
cancels
What powers lights, ovens, and computers?
food
electricity
fuel
Electrical charge is a________________
negative
property of matter
positive
It means the matter has more of one kind of charge than the other
The buildup
Static electricity
Copper and silver are examples of_________________ because charges flow through them easily.
Insulators
Conductors
Wool is likely to give up ____________
negative charges.
positive charges.
What can happen between a positively charged sock and a negatively charged shirt?
They will stick with one another
Nothing will happen
The shock you get from a metal doorknob is a ___________of static electricity
discharge
charge
Scientists call the two types of electrical charges ______________and _______________.
tough and rough
positive and negative
big and small
The buildup of electrical charges on an object is called___________________
buildup
static electricity
statistics
The insulator keeps the electricity inside the wire and ____________
protects you from being shocked
makes you get shocked
When we touch a metal doorknob, the ________ charges move from our bodies into the doorknob
positive
negative
Plastic wrap is likely to accept ______________
negative charges
positive charges