Help your students build real understanding of the nitrogen cycle and ecosystem through ninety questions that move from basic recognition to genuine reasoning about living systems.
Among the ninety questions, students will see prompts such as "Why is the nitrogen cycle described as a closed system?", "What is denitrification in the nitrogen cycle?", and "What is the primary source of nitrogen for plants?"
All three worksheets cover the same topic in different question styles. That means you can use one as a pretest, another for practice or homework, and the third as a follow up quiz, without students ever seeing the same question twice.
This set is part of a standards aligned biology unit. The unit also covers Matter Cycles in Ecosystems, The Water Cycle in Ecosystems, The Carbon Cycle and Living, Energy Flow Through Food Webs, Interpreting Energy Pyramids, and Food Webs and Energy Pyramids, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.
Suitable for Grade 7 biology classes, and for review at any point in the school year. This set is aligned to Virginia SOL standard LS.5.a.
