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WorksheetsHEAT, ENERGY AND MOTION
Total questions: 26
Worksheet time: 18mins
Temperature is related to the average kinetic energy of the particles in an object due to their random motions through space.
True
False
Temperature is a measure of how
the particles are stationary.
energy remains the same.
hot or cold an object is compared to a reference point.
Petroleum, natural gas, and coal are the three kinds of ____.
fossil fuels
nuclear waste
Electricity produced by falling water is called ____.
hydroelectricity
tidal energy
Water that flows due to the gravitational forces among Earth, its Moon, and the Sun has energy referred to as ____.
tidal energy
hydroelectricity
A disadvantage of using hydroelectricity is ____.
equipment corrosion
it can disturb natural ecosystems
One reason alternative energy sources are needed is because ____.
the supply of fossil fuel is diminishing
the population of the world is decreasing
Which of the following is an example of a nonrenewable source of energy?
wind
coal
Sun
Scalars are the one which have __________
Magnitude
Direction
Magnitude and Direction
A car moving on a straight line path covers a distance of 2 km due east in 100 s, the speed & velocity of the car is
20 ms-1 and 20 ms-1
20 ms-1 and 40 ms-1
20 ms-1 and 20 ms-1 due south
20 ms-1 and 20 ms-1 due east
A cycle initially moving with a velocity of 5 ms-1 accelerates for 5 s at a rate of 2 ms-2 , final velocity will be
10 ms-1
100 ms-1
35 ms-1
15 ms-1
Identify the Vector quantities
speed, weight, area
weight, force , momentum
force , current, density
displacement, retardation, non uniform velocity
The speed of the car is 72 kmph. What is the speed in m/s?
16 ms-1
18 ms-1
100 ms-1
20 ms-1
The unit of linear acceleration is
sm
s2 m
s2 rad
When speed and direction of motion of a body do not change then the body will have:
uniform velocity
uniform acceleration
variable acceleration
variable velocity
An object moving in a straight line changes its velocity from 60 m/s to
150 m/s in one minute. Calculate its average acceleration.
1.5 m/s2
15 m/s2
6.5 m/s2
90 m/s2
The odometer of a car reads 5000 km at the start of a trip and 5600 km at the end of the trip. If the trip took 3 hour, Calculate the average speed of a car.
100 km/hr
200 km/hr
300 km/hr
400 km/hr
If a puppy runs for 50 meters in 10 seconds , what was the puppies speed in kilometer per hour?
5 m/s
18m/hr
18 km/s
18 km/hr
Heat is...
a form of energy
a temperature change
the warmth from the sun
a type of chemical formula
Which thermometer first shows a drop in temperature?
T1
T2
Both T1 and T2
Which thermometer records a temperature of 00C ?
T1
T2
Both T1 and T2
