Grade 3 - Science

Grade 3 Compare Engineering Solutions Worksheet

6 printable versions - On Level - About 10 minutes each

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Compare Engineering Solutions

Grade 3 - Science - On Level

Worksheet 1
  1. A tower is tall but tips over. Another is shorter but stable. What tradeoff is shown?

  2. Which solution best meets the constraint 'use only cardboard'?

  3. Why compare more than one solution?

  4. Which redesign follows evidence that a ramp is too slippery?

  5. Which comparison is fair?

  6. Design A costs less but holds less weight. Design B costs more but meets the goal. What should engineers consider?

  7. Which claim uses evidence?

  8. Which data table would help compare parachute designs?

  9. Which evidence should decide between two bridge designs?

  10. Design A holds 12 washers. Design B holds 20 washers. The goal is 18 washers. Which works better?

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About this worksheet

Compare Engineering Solutions helps third graders connect observations with scientific explanations instead of memorizing isolated facts. Students may remember a science word but miss the evidence that connects it to the observation or design problem. This worksheet uses short evidence-based situations so students must read the setup, identify the pattern, and choose the answer that fits the science idea named in the title. Students read short observations, choose evidence-based claims, compare examples, and select explanations that match the investigation. Support versions use familiar examples and direct wording. Standard and challenge versions add closer distractors and require more comparison. Encourage your child to point to the evidence in the prompt before choosing an answer. If the answer does not explain the observation or solve the stated problem, it is probably a distractor. That habit builds careful science reasoning and prepares students for longer investigations.

What your child will learn

  • Use evidence from observations
  • Match claims to science ideas
  • Compare examples
  • Choose reasonable explanations

Worked example

A strong science answer explains the observation with evidence instead of guessing from a familiar word.

Common mistake

Choosing a favorite answer before checking the evidence in the setup.

Helpful hint

Point to the evidence before choosing.

Questions parents ask

What is the most common mistake with compare engineering solutions?
Choosing a favorite answer before checking the evidence in the setup.
How can I help my child with compare engineering solutions?
Point to the evidence before choosing.
Are these 3rd grade science worksheets free to print?
Yes. All 6 printable versions on this page are free to download and print, with no account needed.

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