Light and Shadow

What is not a property of light?

• • It has mass

• • It travels in straight lines

• • It can be split into different colors

• • It spreads in all directions from a source

An opaque object will:

• • Let light pass through

• • Reflect all light

• • Form a shadow

• • Split light into colors

What is essential for us to see objects around us?

• • A) Darkness

• • B) Light

• • C) Sound

• • D) Touch

What happens to the image that is projected onto the back of our eyes?

• • A) It is magnified

• • B) It is upside down

• • C) It is blurred

• • D) It remains unchanged

Which of the following is a luminous object?

• A tree

• • A glowing bulb

• • A book

Which of the following is NOT a source of light?

• • A) Sun

• • B) Star

• • C) Moon

• • D) Candle

What kind of objects do not give out light of their own?

• • A) Luminous

• • B) Transparent

• • C) Non-luminous

• • D) Opaque

The light from the sun helps in the life of which of the following?

• • A) Rocks

• • B) Earth

• • C) Moon

• • D) Stars

What is bioluminescence?

• • A) Light produced by artificial means

• • B) Light produced by chemical reactions within organisms

• • C) Light reflected by non-luminous objects

• • D) Light produced by heating objects

Which of the following is an example of a bioluminescent organism?

• • A) Rose

• • B) Cat

• • C) Firefly

• • D) Mushroom