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Collision Questions at the Playground Chalk Nook

Investigate block collisions, compare trial results, and ask questions about where energy goes during a collision.

Grade 4ScienceInteractive · Printable

Aligned to4-PS3-3

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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 4
Subject: Science
Question types: Fill in the blank, Multiple choice, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students use collision observations and trial data to predict energy transfer between objects.
Students ask testable questions about energy changes when objects collide.
Students identify fair comparisons and limits of collision evidence.

How to use

Read the investigation together, then have students use the graph independently. Discuss their new collision questions and predictions afterward.

Curriculum

NGSS standard covered

4-PS3-3

Ask questions and predict what happens to energy when objects collide.

Preview

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Collision Questions at the Playground Chalk Nook

Use a class investigation to ask questions and predict energy changes.

Follow the Collision Investigation

Read the class investigation. Choose answers using the test steps and observations.

Blocks at the Chalk Nook

At the playground chalk nook, Ms. Chen's class set up a block investigation beside the chalk bins. They used two small wooden blocks with smooth, rounded edges. One was the sliding block. The other was the target block. A moving object has energy. The class wanted to investigate what happened when the sliding block hit the target.

Step 1: The teacher secured a short ramp so its lower end met a smooth, level board. A tray at the far end caught the blocks. Students marked a starting line for the target just beyond the ramp. They used the same ramp, board, sliding block, and target block throughout the investigation.

Step 2: The class raised the top of the ramp to 2 centimeters. They put the target at its line and released the sliding block from the top without pushing. They watched the collision. They measured how far the target traveled from its starting line before stopping, then returned both blocks to their starting places.

Step 3: Students repeated this low-ramp test three times. Next, they raised the top of the ramp to 5 centimeters and ran three high-ramp tests. They kept the target's starting line and the measuring method the same. Students watched closely and reported that the sliding block reached the target faster in the high-ramp tests.

Step 4: Students recorded their results in the graph. In each trial, the target was still before the collision and moved afterward. The sliding block continued forward more slowly after hitting it. Students also heard a soft tap at contact. They recorded travel distances, but they did not measure sound loudness or an exact amount of energy.

Which question does this investigation test?