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Define Engineering Problems
Grade 3 - Science - On Level
Worksheet 1
1Why identify criteria before building?
2Which statement clearly defines an engineering problem?
3A bridge must hold 20 washers and use only paper and tape. What is the criterion?
4Which question helps define a problem?
5A bridge must hold 20 washers and use only paper and tape. What is the constraint?
6A garden path floods after storms. Which need should the design address?
7Which evidence helps define a stronger problem statement?
8What should happen before choosing a solution?
9Which is a constraint for a classroom tower challenge?
10Which is a criterion for a classroom tower challenge?
About this worksheet
Define Engineering Problems 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.