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Bike Shop 3-5 / Week 09 / Friday
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Week 09 Β· Be Seen

Friday

Lights and the be-seen kit
// Light, reflectors and bright colors
⏱ about 15 min

Friday: Lights and the Be-Seen Kit

Rocket tapes six reflectors to a cardboard bike. "Now it can be seen anywhere!" he says.

Raven turns off the lamp. The room is dark. The reflectors stay dark too.

"What do you notice?" she asks.

Nova hovers in the dark. "A reflector only bounces light," she says. "What makes light?"

Rocket laughs. "A light!"

Lights and reflectors

A reflector bounces back light that hits it.

With no light shining on it, a reflector stays dark.

A bike light is a light source. It makes its own light.

Daytime is the safest time for kids to ride.

Kids should stop riding when it starts getting dark.

Rules for night riding

Grown-ups who ride at night follow their local rules.

In Washington State, night riders need a white front light.

They also need a red reflector on the back.

A red back light can be added too.

LIGHT OR REFLECTOR?
  • Read the question.
  • Tap your answer.
Which one makes its own light?
Why did Rocket's reflectors stay dark?
When is the safest time for kids to ride?

Plan a be-seen kit

Engineers plan with criteria.

A good be-seen kit helps others see a rider.

  • Bright or fluorescent clothes.
  • Reflective tape or stickers, like on a helmet.
  • Reflectors on the front, back, pedals and wheels.
  • A helmet worn every ride.
Kit itemHelps a rider be seen?
Fluorescent jacket?
Dark gray jacket?
Reflective stickers on a helmet?
Reflectors on the pedals?
WHY THIS EXERCISEBright colors and reflectors send more light to others' eyes.
A bike ____ makes its own light.
The safest time for kids to ride is ____.
Try it
Make a cardboard or paper bike, or use a drawing.
Add strips of foil or bright paper where reflectors would go.
In a dim room, a grown-up shines a flashlight at it.
Then turn the flashlight off. What happens?
Safety first
A grown-up does any cutting.
Shine light only at the model, never at eyes.
Keep enough light to move safely.
In your Bike Shop Notebook, draw your be-seen kit. Label each part.

Be-seen builders! Tomorrow is Bike Shop Day. Your family will run a flashlight test.

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