Share Grade 4 -Science -Chapter 6 -Lesson 1 -Static Electricity
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Electrical charge is a________________
positive
property of matter
negative
Scientists call the two types of electrical charges ______________and _______________.
positive and negative
big and small
tough and rough
When positive and negative charges_______________,the matter is said to be neutral.
attract each other
cancel each other out
repel each other away
A positive charge and a negative charge__________ one another
attract
repel
The word “electricity” comes from the ancient Greek word for__________
amber
electricity
ancient
When two objects touch _________________ between the objects.
charged particles cancel each other out
charged particles move
The buildup of electrical charges on an object is called___________________
buildup
static electricity
statistics
8. When you hold a negatively charged balloon near a wall, it ________________ the negative charges in the wall.
repels
cancels
attracts
Lightning is the discharge of ___________inside a storm cloud
static electricity
atoms and particles
The shock you get from a metal doorknob is a ___________of static electricity
charge
discharge
A ________________is the movement of static electricity from one object to another.
discharge
charge
_____________in a cloud push down on the negative charges in the ground.
positive charges
negative charges
The safest place in a lightning storm is_____________________
a pool
in a lake
in a building
Copper and silver are examples of_________________ because charges flow through them easily.
Insulators
Conductors
Electricians often wear rubber gloves to______________ themselves from getting an electrical shock.
give
protect
The outside of an electrical wire is covered by _______________such as rubber or plastic.
an insulator
a conductor
