Page 1 - DOES WATER CONDUCT ELECTRICITY
P. 1
SAI INTERNATIONAL SCHOOL
Science Worksheet
CLASS -3
Name- Sec- Date-
1.FILL IN THE BLANKS: -
a. Pure water is a ________________ conductor of electricity.
b. Most water around us contains ________________ and minerals.
c. Tap water, rainwater, and seawater can conduct electricity because they
contain ________________.
d. The ________________ in water allow electric current to pass through.
e. ________________ water is water that has no dissolved salts or minerals.
f. Saltwater is a ________________ conductor than freshwater.
g. You should never touch electrical devices with ________________ hands.
h. Conductivity of water increases when more ________________ are dissolved
in it.
I. Water in nature is rarely pure and often ________________ electricity.
j. It is ________________ to use electrical appliances near water without proper
insulation.
2. In a school experiment, Aditya tries to power a small bulb using two wires
dipped in a cup of distilled water. The bulb doesn’t light up, but when he adds
some salt, it does.
a. Why didn’t the bulb light up in distilled water?