A cloud has positive and negative ________.
Small ice crystals at the top of the cloud have __________.
We can see ________ in the sky during a storm.
________ goes up into the sky.
The ________ is very low at the top of the cloud.
Ice pieces ________ each other in the cloud.
Stay away from ________ objects in a storm.
The positive and negative charges ________ together.
________ stays lower in the cloud.
Lightning often ________ tall trees.
Negative charge can ________ positive charge.
A car is a ________ place during lightning.
Lightning can strike the ________.
A small ________ of light can be very hot.
Lightning is a kind of ________.
Big pieces of ice in the cloud have __________.
A big ________ has strong wind and rain.
Dark ________ are full of rain.