Before the mastery examUse the NYA education lessons, study guide, and separate practice exam first.
EducationStudy GuidePractice Exam
Environment & Ecology / Mastery Assessment / Grades 1–5

Read the ecosystem.
Follow the evidence.
Think like an environmental scientist.

A 350-question Grades 1–5 mastery assessment covering ecosystems, habitats, biodiversity, food chains and food webs, watersheds, pollution, climate and weather relationships, natural resources, conservation, sustainability, and human environmental impacts.

Environmental Evidence

Ecosystems → Evidence → Decisions → Stewardship

Each grade measures environmental knowledge and systems reasoning. The attached Eco Investigation Lab adds observation, measurement, comparison, local evidence and stewardship practice.

ECOLOGY
+
EVIDENCE
ECOSYSTEMSBIODIVERSITYWATER + CLIMATESTEWARDSHIP
350Total original exam items
5Grade-specific pathways
10Environment & ecology domains measured
10Hands-on eco investigations attached
Build your examination

Choose the grade pathway.

The question bank changes by grade. Progress is stored locally in this browser. The optional name/initials are used only for the certificate shown on this device.

For child privacy, use a first name, nickname, initials, or leave blank. Do not enter a school, teacher, address, or other identifying information.

Selected Grade

Grade 1 Environment & Ecology Mastery

Local habitats, organism needs, simple food chains, weather, water, clean environments, natural resources and stewardship.

50 QuestionsGrade-specific mastery assessment
10 DomainsKnowledge + environmental reasoning
Eco LabTwo investigations per grade
Open Eco Investigation Lab

Supplemental educational assessment. Results are learning indicators, not official school placement, state testing, environmental certification, or professional advice.