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Wind Screens for the Orchard Harvest

Judge orchard wind-screen designs using model test results, cost limits, and evidence about damage from strong winds.

Grade 3ScienceInteractive · Printable

Aligned to3-ESS3-1

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What’s included

Single worksheet
Auto-graded online
1 NGSS standard
Printable answer key
15 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 3
Subject: Science
Question types: Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students judge designs that reduce damage from strong winds using test evidence.
Students compare design results with damage and cost goals.
Students explain how evidence supports a design choice and a next test.

How to use

Read the orchard team's test notes together, then have students use the graph, records, and goals to judge the designs. Ask students to cite numbers in both written responses.

Curriculum

NGSS standard covered

3-ESS3-1

Judge a design that reduces the damage from a weather hazard such as floods, strong winds or lightning.

Preview

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Name Date

Wind Screens for the Orchard Harvest

Use test evidence to judge designs that protect apples from strong winds.

Test the orchard screens

Read the notes about the orchard harvest. Use the graph and the notes to answer the questions.

A Windy Harvest Problem

During apple harvest, workers place small baskets of picked apples near the orchard road. Strong winds can tip baskets and knock apples onto the ground. The orchard team wants a design that reduces this damage.

The team built four small screens beside model baskets. Design A had an open frame. Design B had a low woven wall. Design C had a tall solid wall. Design D had a short slatted wall. The team used the same six baskets, the same number of model apples, and the same fan distance for each design.

In Test 1, the fan blew for 30 seconds. The team counted the apples knocked out of the baskets. In Test 2, the fan blew faster for 45 seconds. The team kept the baskets, apples, and fan distance the same. In Test 2, A had 12 apples knocked out, B had 7, C had 4, and D had 8.

The orchard's first goals are to have no more than 5 apples knocked out in Test 1, no more than 6 apples knocked out in Test 2, and a cost of 5 tokens or less. Design A costs 2 tokens, B costs 4 tokens, C costs 7 tokens, and D costs 3 tokens.