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WorksheetsGRADE NINE INT SCIENCE
Total questions: 16
Worksheet time: 10mins
Name
Class
Date
1.
THE WORD "ELECTRON" MEANS
a)
FLOW OF ELECTRICITY
b)
STATIC ELECTRICITY
c)
CURRENT ELECTRICITY
d)
SMALL PARTICLES
2.
MATERIALS THAT ALLOW ELECTRICITY TO FLOW THROUGH
a)
CONDUCTORS
b)
INSULATORS
c)
WOOL
d)
SILK
3.
MATERIALS THAT ELECTRICIANS USE TO PROTECT THEM FROM SHOCKS
a)
CONDUCTORS
b)
GLOVES
c)
INSULATORS
d)
WIRE
4.
A ___________ IS A PROTECTIVE DEVICE THAT REDUCE THE AMOUNT OF ENERGY TO ELECTRICAL DEVICE
a)
CICUIT
b)
FUSE
c)
PLUG
d)
BATTERY
5.
A COMBINATION OF TWO CELLS IS CALLED A ________
a)
DOUBLE CELL
b)
CIRCUIT
c)
BATTERY
d)
POWER
6.
Who was Dimitri Ivanovich Mendeleev?
a)
Periodic table inventor
b)
Sandwich
c)
A singer
d)
An Astronomer
7.
copper wire is a good....
a)
insulator
b)
conductor
8.
Why will the light not work?
a)
it doesn't have a complete circute
b)
the battery is dead
c)
there are too many wires
d)
the
9.
What kind of circuit is this?
a)
open
b)
closed
10.
How do you create friction?
a)
mixing chemicals together
b)
jumping up and down
c)
rubbing 2 sticks together
11.
How do you create a temporary magnet?
a)
break a magnet in half
b)
rub a magnet on a nail
c)
rub a magnet on a battery
12.
Joey used an oven mitt to take something out of the oven that was hot. The oven mitt is an example of a ___________.
a)
conductor
b)
inductor
c)
insulator
13.
What do you call energy that comes from the sun?
a)
solar energy
b)
ray energy
c)
polar energy
14.
What type of resource can be replaced in a human lifetime?
a)
replaceable
b)
renewable
c)
non-renewable
15.
When you make a new product by breaking down an old product you are ___________.
a)
recycling
b)
reducing
c)
reusing
16.
Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usuallly covered with plastic to keep them from starting a fire. Why does the plastic keep electricity from starting a fire?
a)
Plastic is a good insulator.
b)
Plastic can melt when heated.
c)
Plastic is softer than wire.
d)
Plastic conducts electricity.
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