WorksheetsGeneral science
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Another name for light
a)
Energy
b)
Thermostat
c)
Electromagnetic radiation
d)
Thermionic emission
2.
E=mc² is put forward by
a)
Albert Einstein
b)
Rutherford
c)
William wordsworth
d)
Issac Newton
3.
Metals are good conductors of electricity because
a)
they contain free electrons
b)
the atoms are lightly packed
c)
they have high melting point
d)
all of the above
4.
Pa (Pascal) is the unit for
a)
Thrust
b)
Pressure
c)
Frequency
d)
Conductivity
5.
Planets do not twinkle because
a)
they emit light of a constant intensity
b)
Their distance from the earth does not change the time
c)
They are very far away from the earth resulting in decrease in intensity of light
d)
They are nearer to earth and hemce we recieve a greater amount of light and, therefore minor variations in the intensity are not noticeable
6.
Light year is a unit of
a)
Time
b)
Distance
c)
Light
d)
Intensity of light
7.
The two types of current are...
a)
AC/DC
b)
Alternating Current
c)
Direct Current
d)
All of the above
8.
Resistance is...
a)
What "slows down" electrons
b)
What "speeds up" electrons
c)
Moving electrons
d)
What "pushes" electrons
9.
Electrical energy is converted to _______ energy in a hair dryer.
a)
heat
b)
light
10.
Why are humans conductors?
a)
Humans are made of mostly water.
b)
Humans have a ton of metal in their bodies.
c)
Humans conduct the railroad.
d)
Humans are great at the electric slide.
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