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