Grade 1 Environmental – Sources of light energy and conservation Quiz

1. Light helps us to

Taste
Eat
Hear
See
Explanation:

2. When there is no light, we have

sunlight
stars
moon
Darkness
Explanation:

3. Things that produce light are called

moon
Sources if light
stars
Torch
Explanation:

4. Which one is not a natural source of light?

Star
Candle
Moon
Sun
Explanation:

5. Natural sources of light are made by

Man
God
Moon
Teacher
Explanation:

6. Artificial sources of light are made by

Man
Teacher
God
Mother
Explanation:

7. Which of the following is not an artificial source of light?

Electricity
Candle
Moon
Torch
Explanation:

8. The main source of light is

Torch
stars
Sun
moon
Explanation:

9. When light is not in use we should

Disconnect
Leave it
Switch off
Play with it
Explanation:

10. Clothes dry faster on a ___ day

windy
rainy
sunny
calm
Explanation:

11. During the day, we see___ on the sky

Clouds
rain
moon
stars
Explanation:

12. Moving air is called

Sun
Wind
Rain
Stars
Explanation:

13. Lack of rain for a long time is causes

clouds
wind
drought
rain
Explanation:

14. People drink a lot of water on a___ day

Sunny
Windy
Calm
Rainy
Explanation:

15. When walking in the darkness we use___ to give is light

Moon
Torch
Sun
Fire
Explanation:

16. What is the main source of light energy at home and school?

Electricity
Geothermal energy
Wind energy
Solar energy
Explanation:

Electricity is the main source of light energy at home and school as it powers light bulbs and lamps.

17. Which of the following is a renewable source of light energy?

Coal
Natural gas
Petroleum
Sunlight
Explanation:

Sunlight is a renewable source of light energy that can be used through solar panels to generate electricity.

18. What should you do to conserve light energy?

Keep lights on during the day
Use more energy than needed
Leave all lights on when not in use
Switch off lights when leaving a room
Explanation:

Switching off lights when leaving a room helps conserve light energy and reduce electricity usage.

19. Which of these actions helps in conserving light energy?

Leaving lights on all night
Using multiple lights in one room
Keeping curtains closed during the day
Replacing incandescent bulbs with LED bulbs
Explanation:

Replacing incandescent bulbs with LED bulbs can help conserve light energy as LED bulbs are more energy-efficient.

20. What can be done to reduce light energy consumption at home?

Install more lights in every room
Use high wattage light bulbs
Use natural light whenever possible
Keep lights on even when no one is in the room
Explanation:

Using natural light whenever possible can help reduce light energy consumption at home and save on electricity usage.

21. Why is it important to conserve light energy?

To decrease natural light
To waste energy
To increase electricity bills
To reduce greenhouse gas emissions
Explanation:

Conserving light energy can help reduce greenhouse gas emissions and contribute to a more sustainable environment.

22. Which type of bulbs are more energy-efficient and suitable for conserving light energy?

LED bulbs
Incandescent bulbs
CFL bulbs
Halogen bulbs
Explanation:

LED bulbs are more energy-efficient and suitable for conserving light energy as they consume less electricity and have a longer lifespan.

23. What can you do to conserve light energy when studying at night?

Leave the door open to let light from other rooms come in
Keep all lights on in the room
Use a reading lamp with an LED bulb
Use high wattage bulbs
Explanation:

Using a reading lamp with an LED bulb can help conserve light energy when studying at night as it provides focused light with lower energy consumption.

24. What activity does not contribute to conserving light energy?

Leaving lights on all day
Using energy-efficient light bulbs
Using natural light whenever possible
Switching off unused lights
Explanation:

Leaving lights on all day does not contribute to conserving light energy and leads to unnecessary electricity usage.

25. How can you reduce light energy consumption during the day?

Keep all doors and windows closed
Switch off lights in rooms with natural light
Use only artificial lighting
Keep curtains closed all day
Explanation:

Switching off lights in rooms with natural light and using daylight can help reduce light energy consumption during the day and save electricity.

26. What is the best source of light energy for conserving electricity at home in Kenya?

Electric bulbs
Torches
Solar lamps
Candles
Explanation:

Solar lamps are the best option for conserving electricity because they use sunlight, a renewable source of energy.

27. Which of the following is an example of a renewable source of light energy?

Sunlight
Firewood
Coal
Petroleum
Explanation:

Sunlight is a renewable source of light energy because it comes from the sun, which is constantly available.

28. How can we conserve light energy at school?

Leave lights on when not needed
Use energy-efficient light bulbs
Keep windows closed during the day
Use more candles
Explanation:

Using energy-efficient light bulbs helps conserve light energy by reducing electricity consumption.

29. What is the main benefit of conserving light energy at home and school?

Increased electricity bills
Reduced environmental impact
Brighter rooms
More pollution
Explanation:

Conserving light energy helps reduce the environmental impact by lowering electricity consumption and carbon emissions.

30. Which type of light source consumes the most energy?

LED lights
Halogen lamps
Incandescent bulbs
Fluorescent tubes
Explanation:

Incandescent bulbs consume the most energy compared to other types of light sources, making them less energy-efficient.

31. What is the purpose of using natural light during the day?

To waste energy
To create a darker environment
To increase electricity bills
To reduce the need for artificial lighting
Explanation:

Using natural light during the day helps reduce the need for artificial lighting, conserving electricity.

32. Which activity helps in conserving light energy at school?

Leaving all lights on overnight
Using only traditional light bulbs
Keeping curtains closed all day
Using motion sensor lights
Explanation:

Using motion sensor lights helps conserve light energy by only turning on when needed, reducing unnecessary electricity usage.

33. What should you do to conserve light energy when leaving a room?

Turn off all lights
Use more lamps
Open all curtains
Keep all lights on
Explanation:

Turning off all lights when leaving a room helps conserve light energy by reducing unnecessary electricity consumption.

34. How can you reduce light energy consumption during the day?

Use more artificial lighting
Draw curtains and switch on all lights
Use candles instead of electric lights
Open curtains and use natural light
Explanation:

Opening curtains and using natural light instead of artificial lighting helps reduce light energy consumption during the day.

35. Which of the following is a non-renewable source of light energy?

Kerosene lamps
Solar-powered lights
Geothermal lights
Wind-powered lights
Explanation:

Kerosene lamps use a non-renewable source of fuel, making them a non-renewable source of light energy.