Worksheetsfore
Total questions: 29
Worksheet time: 18mins
which force helps to lift things
muscular force
muscels force
elastic force
mutecular force
does gravity help us stand on the ground
True
False
why does a moving ball stop
frictional force
gravitational force
mechnical force
buyonat force
if stretch a rubber band then will it regain its orginal form
true
false
what force does simple machines use
(a)
if we push a wood will it be floating because of buyonat force
True
False
what is the other name of buoyant force
(a)
simple machines are machines tools which make our work easier and faster TRUE or FALSE
true
false
scissors, hammers,pliers are what type of lever
first class lever
second class lever
third class lever
wedge
what is a incline plane
a slope
a slpoes
a ladder
is inclined plane called ramps
True
False
is slide an incline plane
true
false
------ is small wheel with a groove around its outer edge.
(a)
the pulley which is used to draw water from pulley is called
fixed pulley
well pulley
press pulley
downward pulley
a wheel with a rod attached to it is known as --------- arrangement
wheel arrangement
whees and axle arrangement
axle arrangement
wheel and axle arrangement
name the following --- is used to hold things for short distance and --- is used to hold things for longer distance
nail,screw
screw , nail
nail,bolt
wood and bolt
---- is the ability to do work
(a)
is there energy in animals and plants
True
False
a drawn bow is what energy
potential
kinitec
ptenstial
solar
which is the most readily available source of energy
(a)
what is the meaning of geothermal energy
heat in the mars
earth
sun
heat within the earth
is geothermal energy renewable
True
False
which energy is environmental friendly
solar
wind
geothermal
why was hydropower used in olden days
to grind grains
to grind wheat
to grind pulses
is heat used to warm houses
True
False
-------is a way of natures way to transfer light into space
(a)
sound is a vibration transmited through what
solid
liquid
gas
solid liquid gas
can energy be created
True
False
can energy be changed from one form to another
True
False
