KSEEB Solutions for Class 5 EVS Chapter 13 Amazing Energy

Students can Download EVS Chapter 13 Amazing Energy Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 13 Amazing Energy

Class 5 EVS Amazing Energy Text Book Questions and Answers

Question 1.
Write down below about what works are being done in the figure?
KSEEB Solutions for Class 5 EVS Chapter 13 Amazing Energy 1
Answer:

  1. Cycle riding
  2. Pulling
  3. Supplementing the crop with organic or chemical fertilizers for proper growth of the crop.
  4. Playing Game
  5. Walking with Luggage

KSEEB Solutions

Question 2.
In which instances do you use muscular energy in your day to day life?
Answer:
We walk, ran, climb, pull and push the things from one place to another.

Question 3.
Write any four works you do using muscular energy.
Answer:
Waling, climbing, pulling, pushing.

Question 4.
Write about any work done by wind energy
Answer:

  1. production of electricity from wind
  2. people use to make boat and ships to move on the oceans with the help of wind.

Question 5.
How can mechanical energy be converted in to heat energy ? Explain with an example.
Answer:
When we mb our palms, the palms warm, because of friction. When we beat a metal strip continuously with a hammer, it becomes hot. Mechanical energy can be converted into heat energy.

Question 6.
Write any two works done in your home using heat energy?
Answer:

  1. Cook food
  2. Boil Water

Question 7.
Write your known names of solar energy devices which are used by you?
KSEEB Solutions for Class 5 EVS Chapter 13 Amazing Energy 2
Answer:
KSEEB Solutions for Class 5 EVS Chapter 13 Amazing Energy 3

Question 8.
Define wind energy.
Answer:
Any object that is moving has energy in it. Moving air also has energy. It is called wind energy.

Question 9.
How is wind used to Produce Electricity
Answer:
Windmills rotate due to the fast movement of wind. Turbines rotating due to this wind energy produces electricity.

KSEEB Solutions

Question 10.
How is water used to produce electricity?
Answer:
Water stored in a dam has potential energy which gets converted into kinetic energy when water passes through the gates of a dam. Stored water flowing through the gates of a dam

Question 11.
List the names of dams you know or which you have visited?
Answer:

  1. Kabini dam
  2. Alamatti dam

Question 12.
Write two situations of saving electricity?
Answer:

  1. Embrace natural light
  2. Unplug any appliances that aren’t in use.

Question 13.
Write any four works done by using electric appliances?
Answer:

  1. Washing machine – washing cloths
  2. Electric Stove – water food
  3. Electric geyser – water heating
  4. Electric bulb – light purpose

Question 14.
Write the uses of bioenergy?
Answer:

  1. It is used for cooking.
  2. The energy available from biogas can be converted into electricity and may used for many works.

Question 15.
If you have appliances which make use of fuels at your home, name them?
Answer:

  1. Cooking purpose
  2. Vtchels

Question 16.
Name the forms of energy.
Answer:

  1. Muscular energy.
  2. Mechanical energy.
  3. Heat energy.
  4. Solar energy.
  5. Wind energy.
  6. Waters stored energy.
  7. Electrical energy.
  8. Bioenergy.
  9. Chemical energy.

KSEEB Solutions

Question 17.
Think how energy changes from one form to another form in –

  1. A solar cooker
  2. An electric heater.

Answer:

  1. We get heat and light energy from the sun, From solar energy, we can prepare food using solar cooker.
  2. Electrical energy is generated at power stations and supplied to our homes.

Question 18.
State the law of conservation of energy.
Answer:
Energy can neither be created, nor be destroyed. It changes from one from to another. The total eneigy remains constant. This is called law of conservation of energy.

Question 19.
Name three appliaces where electrical energy is used.
Answer:
Appliances such as electric iron box, computer, washing machine etc., use electrical energy.

Question 20.
In the following activities write that the energy changes from which form to what from?
Answer:

Running of petrol car Chemical energy (fuel) Mechanical energy
Displaying Muscular energy Sound energy
Ironing the cloths Electrical energy Heat energy
Drying up of pappad in Solar energy Wind energy
Cooking food using biogas (Gober gas) Fuel energy Heat energy
Glowing of an electric bulb by rotating turbine. Electrical energy wind/ water energy.

Question 21.
By using clues in the bracket, write the alternate energy used [solar water heater, goober gas, solar cooker, solar cells].
Answer:

Activity Alternate energy used
1. Instead of hearth
2. Electric geyser
3. Cooking rice on the hearth
4. Electric bulb
5. Listening to radio using electric
Goober gas
Solar water heater
Solar cooker
Solar cells
Solar cells

KSEEB Solutions

Question 22.
Use the clues in the bracket and write and write which alternative energy can be saved by following activities given below. [Fuel, chemical, electric, charcoal]
Answer:

Activity Saved atternate energy
1. Traveling by Bicycle Fuel
2. Washing clothes by hand Electric
3. Producing electricity from wind Chemical
4. Cooking food using goober gas Charcoal
5. Not to put on the radio when there is no electricity Chemical

Class 5 EVS Amazing Energy Additional Questions and Answers

I. Multiple choice questions:

Question 1.
The energy that we get from the sun is called
a. Solar energy
b. Muscular energy
c. Wind energy
d. Water’s stored energy
Answer:
a. Solar energy

Question 2.
The kind of energy produced in gobar gas plant is
a. Heat energy
b. Chemical energy
c. Bioenergy
d. Electrical energy
Answer:
c. Bioenergy

II. Fill in the blanks:

  1. The ability to do work is energy
  2. The energy which is released by burning of fuels is heat energy
  3. Any object that is moving has kinetic energy init.
  4. The SI unit of energy and work is Joule

III. Answer the following questions:

Question 1.
Distinguish between potential and kinetic energy
Answer:
Energy possessed by a body due to its position is called potential energy. Energy possessed by a body due to its motion is called kinetic energy.

KSEEB Solutions

Question 2.
Define photosynthesis.
Answer:
Plants prepare their food using sunlight. This process is called photosynthesis.

Question 3.
Define a hydroelectric power generating station.
Answer:
The running water hits the turbine with great force, which in turn produces electricity. Such a power station is called hydroelectric power generating station.

Question 4.
Define biogas (or) gobar gas.
Answer:
On decaying in the absence of Air, animal dung, plant residues and agricultural wastes produce a gas called biogas (or) gobar gas.

Question 5.
List the dams built across rivers and hydroelectric power generating stations in Karnataka?
Answer:

  1. Almattidam
  2. Kbini dam
  3. MahtmaGhandiTailRace
  4. Varahi

KSEEB Solutions

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