Q1
What is the filament of the bulb made up of?
Answer:
Tungsten.
Q2
State whether true or false: The electricity produced by portable generators is safe to use in science experiments
Answer:
The statement is False.
Q3
Air is a _____ of electricity.
Answer:
poor conductor
Q4
A cells converts _____ energy into _____ energy
Answer:
A cell converts chemical energy into electrical energy.
Q5
State any two dangers of electricity if handled carelessly.
Answer:
Two dangers of electricity if handed carelessly:
- If we handled carelessly of electricity, a person can get electric shock which may cause severe burns and even death.
- The careless handling of electricity cause fires.
Q6
Explain why, we should never join the two terminals of a cell directly by a wire only.
Answer:
We should never join the two terminals of a cell directly by a wire because by doing this, the chemicals present in the cell get used up very fast, the cell gets damaged quickly and hence stops working.
