in contact with
Have you ever rubbed a balloon against your hair?
balloon
a bag made of rubber with air inside of it
Have you ever rubbed a balloon against your hair?
computer
an electronic device for collecting and using data
Think about all the things you use today: computers, lights, and other electronics.
discovery
the uncovering of something previously unknown
Electricity is an essential part of our lives and the discovery of electricity played a large role in history.
electronics
devices that operate using small electrical parts
Think about all the things you use today: computers, lights, and other electronics.
flash
a brief burst of light
Lightning is the flash of light seen in the sky during thunderstorms.
form
shape or configuration
One of the main forms of electricity is lightning.
harness
to gain control of something
This device was used to harness electricity.
lightning
electricity discharged from the atmosphere
One of the main forms of electricity is lightning.
main
primary
One of the main forms of electricity is lightning.
operate
to work
All these things operate by electricity.
rod
a thin wand usually made of wood or metal
Benjamin Franklin developed an instrument called a lightning rod.
role
function
Electricity is an essential part of our lives and the discovery of electricity played a large role in history.
rub
to move something across the surface of something else
Have you ever rubbed a balloon against your hair?
straight
without any curves
Did it cause your hair to stand up straight?