Science • Year 3
Leo and the Mystery of Light
Leo and Maya explore how light helps us see and why darkness is the absence of light. They discover how light reflects, why sun safety matters, and how moving an opaque toy changes its shadow.
Main idea. We need light to see, and paying attention to light keeps our eyes safe and helps us understand shadows.
-
Scene 1 of 4
Leo and Maya stepped into the dark wooden shed. Leo could not see his boots at all. Maya switched on a bright torch. Now they could see, because dark is just the absence of light.
- absence
- when something is not there
-
Scene 2 of 4
Maya held up a shiny metal watering can. The beam of light bounced straight off its shiny side. Leo noticed how light reflected onto the shed wall. Smooth, shiny surfaces bounce light very well.
- reflected
- bounced off a surface
-
Scene 3 of 4
The children walked out into the warm garden sunshine. The sunlight was very bright, so Maya pulled down her sun hat. Leo put on his dark sunglasses. They knew never to look right at the sun because it can harm your eyes.
- sunglasses
- glasses with dark lenses that shade eyes from bright sun
-
Scene 4 of 4
Maya placed a solid wooden toy dragon onto the patio. The dragon was opaque, so it blocked the sun and made a clear shadow. Leo moved the toy closer to their torch indoors. The shadow grew much bigger as the toy came near the light.
- opaque
- not letting any light pass through
- shadow
- a dark shape made when light is blocked
Discussion questions
- Why do we need light to see things around us?
- How can you protect your eyes on a very sunny day?
- What happens to a shadow when you move an object closer to a torch?
Comprehension questions
-
What is darkness?
Solution: The story explains that dark is just the absence of light, meaning there is no light present.
-
How did Leo protect his eyes from the bright sun?
Solution: In scene three, Leo puts on dark sunglasses to protect his eyes from the bright sunlight.
-
What happened to the toy dragon's shadow when it moved closer to the torch?
Solution: In scene four, the shadow grew much bigger when the toy was brought closer to the light source.
-
Darkness happens when there is an ________ of light.
Options: amount, extra, absence, overflow
Answer: absence
Solution: The story states that dark is the absence of light.
-
Light bounced off the metal can because it was ________ from the surface.
Options: swallowed, blocked, reflected, melted
Answer: reflected
Solution: The beam of light reflected off the shiny watering can onto the wall.
-
A shadow forms when an ________ object blocks light.
Options: clear, opaque, invisible, open
Answer: opaque
Solution: The dragon was opaque, which means it blocked the light to make a shadow.
-
Humans can see easily in total darkness without any light.
Solution: Leo could not see anything in the dark shed until Maya turned on a torch.
-
Looking directly at the sun can be dangerous for your eyes.
Solution: The children know that bright sunlight can harm their eyes, so they protect them.
-
Light can reflect off smooth and shiny surfaces.
Solution: The torch light reflected off the shiny metal watering can onto the shed wall.