Light and Its Properties Quiz

What is the path that light usually follows?

• Curved path

• Bouncy path

• Straight line

• Zigzag path

Answer explanation

Light always travels in a straight line unless it is reflected or refracted.

Light can bend around corners without help.

• True

• False

Answer explanation

Light only appears to bend when it reflects or refracts—it does not naturally curve around corners.

What can you use to show that light travels in straight lines?

• A balloon

• A torch and three holes in cardboard

• A ruler

• A fan

Answer explanation

If the holes are lined up, the light will shine through them, showing it moves in a straight line.

We can see objects because light _______ off them and enters our eyes.

Answer explanation

Light reflects (bounces) off objects, allowing us to see them.

If a solid object blocks light, what forms behind it?

• A rainbow

• A shadow

• A reflection

• Heat

Answer explanation

A shadow forms because light cannot pass through the object.

Which of the following materials lets light pass through in a straight line?

• Metal

• Brick

• Clear glass

• Wood

Answer explanation

Clear glass is transparent, which means it lets light travel straight through it.

Light only travels when the sun is out.

• True

• False

Answer explanation

Light can come from many sources, including torches and light bulbs—not just the sun.

Light travels very _______ compared to sound.

Answer explanation

Light travels much faster than sound—it’s why we see lightning before we hear thunder.

What happens to light when it hits a mirror?

• It stops

• It bends

• It goes through

• It reflects

Answer explanation

A mirror reflects light, sending it in a new direction while staying in straight lines.

Explain how the torch and hole experiment shows that light travels in straight lines.