WorksheetsQuiz on Light
Total questions: 15
Worksheet time: 8mins
What is light and how is it produced?
Light is a form of energy produced by luminous objects.
Light is a type of sound wave.
Light is a chemical reaction.
Light is a form of matter.
How does light interact with objects to give them colour?
Light reflects off objects to give them colour.
Light absorbs into objects to give them colour.
Light changes the shape of objects to give them colour.
Light heats objects to give them colour.
Which of the following objects produces light?
You
Moon
Lightbulb
Mirror
Which of the following is true about the moon?
It is a luminous object
It produces its own light
It reflects light
It absorbs light
Which of the following is NOT a way of producing light?
Incandescence
Photosynthesis
Phosphorescence
LED
Which of the following methods of producing light is commonly used in glow sticks?
Chemiluminescence
Incandescence
Electric Discharge
LED
What type of light production is used in neon signs?
Electric Discharge
Phosphorescence
Bioluminescence
Incandescence
Which method of producing light is used in fluorescent lamps?
Fluorescence
Phosphorescence
Bioluminescence
LED
What happens to an object during incandescence?
It cools down
It glows
It melts
It evaporates
What does phosphorescence require to glow?
Heat
Absorbing light
Friction
Electricity
Which experiment is shown in the image related to chemiluminescence?
Chemiluminescence
Photosynthesis
Evaporation
Condensation
What is the name of the experiment labeled "elephant toothpaste" in the image?
Elephant toothpaste
Baking soda volcano
Vinegar and baking soda
Mentos and soda
How long does the "elephant toothpaste" experiment take according to the image?
1 minute
2 minutes
3 minutes
4 minutes
Which of the following is a benefit of using LEDs?
Consumes more energy
Short lifespan
Saves energy
Heats up quickly
What is the primary function of an LED?
To produce sound
To emit light
To generate heat
To conduct electricity
