6th
Standard Science-Series 3
1. The ------------is s defined as the
capacity or ability to do work?
a. Energy
b. Joule
c. hard work
d. Effectiveness
Answer: A
2. The Unit of energy is called?
a. Ohm
b. Joule
c. Newton
d. Dyne
Answer: B
3. Water stored in a dam has the?
a. Mechanical Energy
b. Kinetic Energy
c. Potential Energy
d. None of the above
Answer: C
4. Flowing water out of the dam has?
a. Electrical energy
b. Potential Energy
c. Mechanical Energy
d. Kinetic Energy
Answer: D
5. Electricity generation from water
through turbine is conversion of?
a. Kinetic energy to Electrical Energy
b. Potential energy to Electrical
energy
c. Mechanical energy to Electrical
energy
d. Potential energy to kinetic energy
Answer: B
6. Articles required for electricity
generation through water is/are?
1. Water flow from dam from some
height
2. Turbines
3. Magnetic field
4. Just water flow from dam
Codes:
a. 1, 2 and 4 only
b. 2, 3 and 4 only
c. 1, 2 and 3 only
d. 1 and 2 only
Answer: C
7. Which one of the following has
potential energy?
a. Stretched rubber band
b. Compressed spring
c. Moving car
d. Both a and b
Answer: D
8. The energy possessed by an object
with respect to its position or configuration is called?
a. Potential energy
b. Kinetic energy
c. Mechanical energy
d. Chemical energy
Answer: A
9. The energy possessed by a body
virtue of its motion is called?
a. Potential energy
b. Kinetic energy
c. Mechanical energy
d. Motion energy
Answer: B
10.
“Heat is a form of energy”- discovered by?
a. Newton
b. Pascal
c. James Joule
d. Harrington
Answer: C
11. Statements
Assertion:
The Unit of energy is Joule
Reason:
James Joule discovered “Heat is a form of energy”-
a. Both Assertion and Reason are
correct and Reason is the Correct Explanation to Assertion
b. Both Assertion and Reason are
correct BUT Reason is not the Correct Explanation to Assertion
c. Assertion is true Reason is false
d. Assertion is false Reason is true
Answer: A
12.
Mechanical energy is a type of?
a. Potential energy
b. Kinetic energy
c. Both a and b
d. Motion energy
Answer: C
13.
The energy released during chemical reaction is called?
a. Potential energy
b. Kinetic energy
c. Chemical energy
d. Motion energy
Answer: C
14.
The food we eat undergoes reaction and we get?
a. Potential energy
b. Kinetic energy
c. Motion energy
d. Chemical energy
Answer: D
14. Find out the odd man
out?
a. Wood
b. Charcoal
c. Petrol
d. Water
Answer:
D
15. Wind energy is a?
a. Mechanical energy
b. Heat energy
c. Electrical energy
d. Chemical energy
Answer:
A
16. Food stored in
plants and animals are in?
a. Mechanical energy
b. Heat energy
c. Electrical energy
d. Chemical energy
Answer:
D
17. In a battery or
cell?
a. Mechanical energy converted in to
electrical energy
b. Heat energy converted in to
chemical energy
c. Electrical energy converted in to
Chemical energy
d. Chemical energy converted in to
electrical energy
Answer:
D
18. Usage of fuels is?
1. Conversion of chemical energy in to
light energy
2. Conversion of chemical energy in to
heat energy
3. Conversion of electrical energy in
to mechanical energy
Codes:
a. 1, 2 and 3 only
b. 2 and 3 only
c. 1 and 2 only
d. 2 only
Answer:
C
19. Which one of the
following is/are correctly matched?
1. Fan -
Electrical energy to mechanical energy
2. Wind mill - Kinetic energy converted to electrical energy
3. Light - Electrical energy converted to light energy
Codes:
a. 1 and 3 only
b. 2 and 3 only
c. 1 and 2 only
d. 1, 2 and 3 only
Answer:
D
20.
In the wind mill, which one of the following energy conversion takes place?
a. Kinetic energy to Electrical Energy
b. Potential energy to Electrical
energy
c. Mechanical energy to Electrical
energy
d. Potential energy to kinetic
energy
Answer:
A
21.
In Tamil Nadu, which one of the district doesn’t have the wind mill
conglomeration?
a. Tirunelveli
b. kanyakumari
c. Tirupur
d. Madurai
Answer:
D
22. Statements
Assertion:
The Chemical energy is stored in wood and cooking gas is converted in to heat
energy
Reason:
Due friction and chemical reaction heat energy is produced
a. Both Assertion and Reason are correct
and Reason is the Correct Explanation to Assertion
b. Both Assertion and Reason are
correct BUT Reason is not the Correct Explanation to Assertion
c. Assertion is true Reason is false
d. Assertion is false Reason is true
Answer: A
23.
Our primary source of heat energy is
a. Sun
b. Stars
c. Atmosphere
d. Galaxy
Answer:
A
24. Statements
Assertion:
Rainfall plays important role in the water cycle
Reason:
We get rain from the heat energy obtained by the Sun
a. Both Assertion and Reason are
correct and Reason is the Correct Explanation to Assertion
b. Both Assertion and Reason are
correct BUT Reason is not the Correct Explanation to Assertion
c. Assertion is true Reason is false
d. Assertion is false Reason is true
Answer: B
25.
In the Thermal power station, which one of the following energy conversion
takes place?
a. Kinetic energy to Electrical Energy
b. Heat energy to Electrical
energy
c. Mechanical energy to Electrical
energy
d. Potential energy to kinetic
energy
Answer:
B
26.
In the Electric stove, which one of the following energy conversion takes
place?
a. Kinetic energy to Heat energy
b. Electrical energy to Heat energy
c. Mechanical energy to Electrical
energy
d. Potential energy to kinetic
energy
Answer:
B
27.
In the thermal power stations, which one of the sequence is followed in energy
conversion?
1. Chemical energy
2. Heat energy
3. Electrical energy
Codes:
a. 1, 2 and 3
b. 2, 3 and 1
c. 3, 1 and 2
d. 1, 3 and 2
Answer:
A
28.
In the loud speaker, which one of the following energy conversion takes place?
a. Kinetic energy to sound energy
b. Electrical energy to sound energy
c. Mechanical energy to sound energy
d. sound energy to kinetic energy
Answer:
B
29.
In the torch light, which one of the sequence is followed in energy conversion?
1. Chemical energy
2. Light energy
3. Electrical energy
Codes:
a. 1, 2 and 3
b. 2, 3 and 1
c. 3, 1 and 2
d. 1, 3 and 2
Answer:
D
30.
In Photosynthesis, which one of the following energy conversion takes place?
a. Kinetic energy to chemical energy
b. Light energy to sound energy
c. Light energy to chemical energy
d. Light energy to kinetic energy
Answer:
C
31.
Statements regarding energy
1. Energy can neither be created nor
destroyed
2. Energy can be transferred from one
form into another form
3. In any conversion of energy, the
total amount energy will not be changed
4. Both 1 and 3 called Law of Conservation
of Energy
Codes:
a. 1, 2 and 4 only
b. 2, 3 and 4 only
c. 1, 2 and 3 only
d. All the above
Answer:
D
32.
In electric motor, the electrical energy is converted into?
a. Kinetic energy
b. sound energy
c. Heat energy
d. All the above
Answer:
D
33.
Energy required to dry clothes quickly?
a. Kinetic energy
b. sound energy
c. Solar energy
d. Potential energy
Answer:
C
34.
Which of the following requires electrical energy?
a. Windmill
b. Industry
c. bicycle
d. Parachute
Answer:
B
35.
Energy cannot be used to run vehicles?
a. Sound energy
b. Chemical energy
c. Electrical energy
d. Solar energy
Answer:
A
36.
Find out the odd man out?
a. Sound energy
b. Chemical energy
c. Electrical energy
d. Solar energy
Answer:
A
