Grade 1 Environmental – Sources of light energy and conservation Quiz

1. Light helps us to

Hear
Taste
See
Eat
Explanation:

2. When there is no light, we have

Darkness
sunlight
stars
moon
Explanation:

3. Things that produce light are called

stars
Torch
Sources if light
moon
Explanation:

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

Moon
Candle
Star
Sun
Explanation:

5. Natural sources of light are made by

Moon
Teacher
Man
God
Explanation:

6. Artificial sources of light are made by

Mother
Teacher
God
Man
Explanation:

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

Moon
Electricity
Candle
Torch
Explanation:

8. The main source of light is

Torch
stars
moon
Sun
Explanation:

9. When light is not in use we should

Switch off
Disconnect
Play with it
Leave it
Explanation:

10. Clothes dry faster on a ___ day

calm
sunny
rainy
windy
Explanation:

11. During the day, we see___ on the sky

Clouds
rain
moon
stars
Explanation:

12. Moving air is called

Wind
Sun
Stars
Rain
Explanation:

13. Lack of rain for a long time is causes

rain
clouds
wind
drought
Explanation:

14. People drink a lot of water on a___ day

Rainy
Sunny
Windy
Calm
Explanation:

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

Torch
Moon
Sun
Fire
Explanation:

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

Geothermal energy
Electricity
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?

Natural gas
Sunlight
Coal
Petroleum
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?

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

Keeping curtains closed during the day
Leaving lights on all night
Using multiple lights in one room
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?

Keep lights on even when no one is in the room
Use high wattage light bulbs
Use natural light whenever possible
Install more lights in every 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 reduce greenhouse gas emissions
To decrease natural light
To waste energy
To increase electricity bills
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?

CFL bulbs
Incandescent bulbs
Halogen bulbs
LED 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?

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

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

Use only artificial lighting
Switch off lights in rooms with natural light
Keep all doors and windows closed
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?

Torches
Electric bulbs
Candles
Solar lamps
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?

Petroleum
Firewood
Sunlight
Coal
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?

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

Reduced environmental impact
More pollution
Brighter rooms
Increased electricity bills
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?

Incandescent bulbs
Halogen lamps
LED lights
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 create a darker environment
To reduce the need for artificial lighting
To waste energy
To increase electricity bills
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?

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

Use more lamps
Turn off all lights
Keep all lights on
Open all curtains
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?

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

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