These materials teach earth science, chemistry, biology, and physics through water systems, from the water cycle to treatment chemistry.
68 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 8 Classroom activity
Grade 8 groups compare pipe and runoff pollution on a paper watershed, classify six sources as point or nonpoint, and weigh permits with a phosphorus budget.
Grade 8 Math problem set
A grade 8 science problem set where students find the weight and stored potential energy of water in a fictional elevated tank and explain why height sets pressure.
Grade 8 Lesson plan
A grade 8 science lesson tracing rock from a fictional watershed into reservoir sediment, with survey math on storage loss and a cone-volume estimate of the delta.
Grade 8 Lesson plan
A grade 8 science lesson using a fictional coastal town's chloride records to model seawater intrusion and design a monitoring and pumping plan for the aquifer.
Grade 8 Writing prompt
A grade 8 science argument writing prompt asking students to advise a fictional water board on buying watershed forest or building a filtration plant.
Grade 8 Reading passage
A grade 8 science reading passage following a fictional water quality analyst through sample handling, holding times, and the career paths into water lab work.
Grade 8 Debate kit
A grade 8 science debate kit on land-applying treated sewage solids, weighing recycled nutrients against PFAS and runoff concerns, with a four-level rubric.
Grade 8 Project
A five-session grade 8 science project in which students build and site rain gauges, log two weeks of storms, and report findings to a fictional stormwater board.
Grade 8 Lesson plan
A grade 8 science lesson in which students build a linear function from a fictional river gauge table, predict the flood crest, and test where the model fails.
Grade 8 Debate kit
A grade 8 science debate kit on whether a fictional inland city should purify its wastewater for drinking, with two-sided evidence and a four-level rubric.
Grade 8 Writing prompt
A grade 8 science explanatory writing prompt on prevailing winds, a coastal current, and a mountain range that leave two fictional towns with very different supplies.
Grade 8 Worksheet
A grade 8 science worksheet using powers of ten to compare acid strength above and below a fictional limestone treatment bed on a mine drainage stream.
Grade 8 Lesson plan
A 50-minute grade 8 science lesson where students model flood and drip irrigation as linear functions of acreage and compare the water each method uses.
Grade 8 Reading passage
A grade 8 science passage on how a reservoir stratifies in summer and mixes in fall, with a depth-profile table linking dissolved oxygen to where fish can live.
Grade 8 Classroom activity
A grade 8 science activity where groups sort stream insect cards by pollution tolerance and calculate a biotic index for three sites on a fictional brook.
Grade 8 Worksheet
Grade 8 students use the rational method and runoff coefficients to compare peak stormwater runoff before and after paving a fictional meadow site.
Grade 8 Classroom activity
A grade 8 science role-play where students act as microbes, oxygen, and organic matter to model how activated sludge cleans wastewater and why aeration matters.
Grade 8 Lesson plan
A 55-minute grade 8 science lesson where students calculate ultraviolet dose from contact time and flow at a fictional plant, then compare it with chlorine.
Grade 8 Reading passage
A grade 8 science reading passage on how reverse osmosis turns seawater into drinking water, with the energy, brine, and cost trade-offs a fictional town must weigh.
Grade 8 Lesson plan
A 50-minute grade 8 science lesson in which students build a linear function from storm data for a fictional city and decide how large a sewer storage tunnel must be.
Grade 8 Lesson plan
A 55-minute grade 8 science lesson where students track turbidity through a fictional treatment plant and solve a linear equation for the chlorine dose.
Grade 8 Reading passage
A grade 8 science reading passage on aging water mains: why old pipes break in a fictional city, what repairs cost, and why bills rise as infrastructure grades stay low.
Grade 8 Worksheet
Grade 8 students read about water-operator careers, license classes, and pay, then build a linear function for a fictional utility's plan to fill open operator jobs.
Grade 8 Worksheet
A grade 8 science worksheet comparing flood, sprinkler, and drip irrigation at a fictional orchard using scientific notation, savings, and acre-foot conversions.