Question

fill in the blank
fill in the blank with the correct words:
lightning is caused by the movement of __________ between clouds and the ground.
electrons have a __________ charge.
the bottom of a thundercloud becomes __________ charged as electrons gather there.
the bright flash we see during a storm is called __________.
the sound we hear after lightning is called __________.
word bank: thunder, negative, lightning, electrons, negatively

Explanation:

Each blank is filled using the correct term from the word bank based on basic physics principles of electricity and thunderstorm phenomena:

1. Lightning forms due to the movement of charged particles (electrons) between clouds and ground.
2. Electrons are defined as having a negative electrical charge.
3. When electrons accumulate in the bottom of a thundercloud, it acquires a negatively charged property.
4. The bright visual flash during a storm is the phenomenon itself, called lightning.
5. The sound following lightning is the result of rapid air expansion, known as thunder.

Answer:

1. electrons
2. negative
3. negatively
4. lightning
5. thunder