Page 1 - CONDUCTORS AND INSULATORS
P. 1
SAI INTERNATIONAL SCHOOL
Science Worksheet
CLASS -3
Name- Sec- Date-
A. FILL IN THE BLANKS
1. Materials that allow electricity to flow through them easily are called
________________.
2.________________ is a good conductor of electricity and is often used in
electrical wires.
3.Materials that do not allow electricity to pass through them are called
________________.
4.Plastic, rubber, and wood are examples of ________________.
5.A ________________ is used to safely cover metal wires and prevent electric
shocks.
6.Metals like copper, silver, and aluminium are examples of ________________.
7.________________ is commonly used as an insulator in electric plugs and
sockets.
8.In an electric circuit, conductors help the ________________ to flow from the
battery to the bulb.
9.Water mixed with salt can act as a ________________ of electricity.
10.________________ is an insulator that is often used in kitchen tools to protect
from heat and electricity.
QB. An inventor builds a robot but notices that its arms don’t work when trying
to grab objects. He realizes he accidentally made them out of rubber.
a. Do you think the robot’s arms will conduct electricity and work properly?
Explain your reason.

