This is represented by a line with protusions resembling ice-cream cones.
What is a cold front?
100
The day of the year with the longest amount of sunlight.
What is the summer solstice?
200
This is represented by a large capital "H".
What is a high pressure system?
200
A day when there is as much sunlight as there is darkness.
What is an equinox?
300
This is represtented by a small circle or dot next to a number, similar to the way an apostraphe (') appears next to a number or letter. It is the unit used to measure heat.
What is a degree?
300
A fast flowing air current found in the atmosphere.
What is a jetstream?
400
This is represented by a line with the symbol for a warm front protruding from one side and the symbol for a cold front protruding from the other.
What is a stationary front?
400
A rapid expansion of air after a lightening strike.
What is thunder?
500
This is represented by a line pointing in the direction in which it is coming from.