The Thousand-Year Ledger

The Ledger · Science · Grade 1

How light helps us see

A toy can stay in the same place and become easier to see. Follow the light to find out why.

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Let’s look a little closer

A lamp makes light. A normal toy does not. Some light that reaches the toy bounces away, and some of it can enter your eyes.

Your eyes respond to that light and send signals to your brain. Your brain helps you make sense of what you see.

A place that seems dark may still have a little light. In the look-in box, record what you really see with the flap shut and open.

What we can discover

In the real world

Incoming light lets us see; our eyes send signals to the brain. Ordinary objects can reflect light from a source.

What the story imagines

In Ollie’s world

Maya's meeting with a talking owl and the lost Ledger are invented parts of the adventure.

Keep exploring

These sources are for a closer look with a grown-up.

Discover by doing

Try a little experiment.

Science10 min

Maya's look-in box

What changes when more light reaches a toy? Make a guess, look closely, and tell your helper what you really see.

Grade 1 · At home or in class