Light

Multiple Choice

What is light?

• A liquid

• A solid

• A form of energy

• A type of sound

Multiple Choice

Which of the following is a natural source of light?

• Torch

• Mobile phone

• Candle

• Sun

Multiple Choice

Why is light important to life on Earth?

• It cools the Earth

• It helps plants grow and provides energy

• It makes water

• It creates sound

Multiple Choice

How do we see things around us?

• By hearing sounds

• When light reflects off objects into our eyes

• When we touch them

• When it's dark

Multiple Choice

Which technology uses light to send information?

• Batteries

• Wheels

• Fiber optic cables

• Thermometers

Multiple Choice

What do solar panels use to generate electricity?

• Water

• Wind

• Sunlight

• Sound

Multiple Choice

Which type of material allows all light to pass through?

• Opaque

• Translucent

• Transparent

• Reflective

Multiple Choice

Which is an example of a translucent object?

• Wood

• Clear glass

• Wax paper

• Metal

Multiple Choice

What happens when light hits an opaque object?

• It passes through

• It disappears

• It is absorbed or reflected

• It turns into sound

Multiple Choice

What proves that light travels in a straight line?

• Rainbows

• Shadows

• Sound

• Smell

Multiple Choice

What is the bending of light called?

• Reflection

• Refraction

• Absorption

• Dispersion

Multiple Choice

What happens when white light passes through a prism?

• It disappears
  B)

• It becomes invisible

• It turns black

• It splits into different colors

Multiple Choice

What causes a shadow to form?

• Light bouncing off an object

• An object blocking the light

• Sound hitting a wall

• Wind passing by

Multiple Choice

What happens when the object is closer to the light source?

• The shadow gets smaller

• No shadow is formed

• The shadow gets larger and blurrier

• The shadow disappears

Multiple Choice

Which of these materials would create a clear shadow?

• Clear plastic

• Wax paper

• Metal

• Water

Multiple Choice

Which light bulb is the most energy-efficient?

• Incandescent

• Fluorescent

• LED

• Oil lamp

Multiple Choice

What is a disadvantage of fluorescent bulbs?

• They don’t produce light

• They are too cheap

• They contain mercury

• They use solar power

Multiple Choice

Which is true about LED bulbs?

• They use a lot of electricity

• They burn out quickly

• They last a long time and save energy

• They are harmful to the environment