Environmental problem solving and runoff design take centre stage in this Grade 7 science worksheet on scientific inquiry and communication. Students investigate how heavy rainfall carries soil and litter across a schoolyard, consider a planted rain garden as a possible solution, and explore how evidence and fair testing can guide environmental decisions.

Rather than choosing a solution based on assumptions, students follow a process of observing a local problem, comparing design options through a model, evaluating limitations, and communicating findings to a specific audience. The schoolyard runoff scenario connects scientific investigation with a practical environmental challenge.

From schoolyard observations to a tested design

The reading passage introduces evidence collection through observations of water accumulation, rainfall, and paved or planted surfaces. Students then examine a tray model comparing runoff from bare soil with runoff from planted soil. Keeping the amount of water and slope the same allows a fairer comparison of how the two surfaces affect runoff.

The resource also explores why repeated testing can improve reliability, why a model cannot represent every feature of a real location, and why a promising result should be followed by further testing before a full-sized rain garden is recommended.

Inquiry, evidence, and responsible communication

Multiple-choice questions address useful field observations, direct evidence, fair comparisons, test reliability, model limitations, and possible implications of building a rain garden. True-or-false statements reinforce the importance of changing only the intended test condition and communicating evidence to an appropriate audience.

Short-answer questions ask students to identify observations that could be recorded around their school, explain why water volume and slope should remain consistent during testing, and describe respectful ways to include community knowledge in a local proposal. A labelled diagram, categorisation activity, and short-note task provide additional opportunities to organise and communicate scientific ideas.

Included resources

• Printable Grade 7 science worksheet with a reading passage and activities about environmental investigation, design testing, and communication.
• Separate answer key PDF for checking student responses.
• Teacher Guide within the answer key PDF, including Learning Objectives, Teaching Tips, Discussion Questions, and Common Mistakes.
• Student Notes lines at the bottom of the worksheet for recording key ideas.

Use the worksheet to connect science with a local issue

This scientific inquiry worksheet can support a lesson on environmental problem solving, independent practice, a review of fair testing, or preparation for a classroom discussion about a proposed schoolyard improvement. Students can use the scenario to consider what evidence is needed before selecting a design and what additional information decision-makers may require.

The communication component asks students to consider the school grounds team as the intended audience. A useful proposal should explain the test results, acknowledge design limitations, discuss possible effects, and identify what further testing is needed. Students also consider how to consult attributed, locally relevant, community-approved sources, including First Peoples sources, while respecting guidance about sharing knowledge. Cultural accounts must not be invented.

The resource identifies BC as its curriculum framework but does not provide an official curriculum code. No specific code is claimed. The separate answer key and teacher guidance offer practical support for reviewing student work and discussing evidence-based decisions without requiring the teacher to prepare a separate answer resource.