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Hammock Clearing Check-In
Use camping signal tests to predict what will work, improve a design, and plan a device that sends a message with light or sound.
Grade 1ScienceInteractive · Printable
Aligned to1-PS4-4
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What’s included
- Single worksheet
- Auto-graded online
- 1 NGSS standard
- Printable answer key
- 14 questions
- Classroom-ready
Details
- Format
- Interactive · Printable
- Grade
- Grade 1
- Subject
- Science
- Question types
- Fill in the blank, Multiple choice, Circle the answer, Short answer, Drawing
About this worksheet
What students practice
- Students use test results to predict how well light and sound signals will send a message.
- Students design a simple device that sends a message across a distance using light or sound.
- Students explain why a prediction is or is not supported by a device test.
How to use
Read the story and questions aloud. Help students read the graph, then let them draw a device. If materials are available, help students build and test their plans with gentle sounds and lights aimed below faces.
Curriculum
NGSS standard covered
Design a simple device that uses light or sound to send a message over a distance.
Preview
OwlSheets.com
Hammock Clearing Check-In
Build a message device and predict how well it will work.

A Camping Check-In
Listen to the story. Think about how a device could send a message.
Across the Clearing
On a camping trip, Nia's group rests in a hammock clearing. An adult is at a pack table, eight big steps away. The group needs to send READY or WAIT without shouting or walking over. The adult can see and hear the group.
The group has a battery lantern, a small bell with a loop, yarn, a cardboard tube, and tape. They can build a device with these parts. The lantern flashes when switched on and off. The bell rings when shaken. Use gentle rings. Aim the light below faces. An adult stays with the group.
One flash or one bell ring = WAIT
Three flashes or three bell rings = READY
- A. Carry a note over to the pack table.
- B. Call the message across the clearing.
- C. Send bell rings from the hammock area.
- D. Put a note inside a closed backpack.
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