Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death. 3-LS1-1
Clarification Statement: Changes organisms go through during their life form a pattern.
Assessment Boundary: Assessment of plant life cycles is limited to those of flowering plants. Assessment does not include details of human reproduction.
Developing and Using Models
Modeling in 3–5 builds on K–2 experiences and progresses to building and revising simple models and using models to represent events and design solutions.
Develop models to describe phenomena. (3-LS1-1)
Science Knowledge Is Based on Empirical Evidence
Science findings are based on recognizing patterns. (3-LS1-1)
Growth and Development of Organisms
Reproduction is essential to the continued existence of every kind of organism. Plants and animals have unique and diverse life cycles. (3-LS1-1)
Patterns of change can be used to make predictions (3-LS1-1)
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The book Cactus Hotel, written by Brenda Z. Guiberson and illustrated by Megan Lloyd, presents the 200 year life cycle of a saguaro cactus and its relationship to the animals in its desert habitat. The cactus' interdependence with other plants an ...
Students explore and develop an understanding of a variety of animal life cycles through reading and research, investigation and data collection, mathematical analysis, and presentation in this five lesson unit. In Session 1, students read ...
This formative assessment probe originally appeared in Uncovering Student Ideas in Science (Keeley, P., F. Eberle, and C. Dorsey. 2008. Arlington, VA: NSTA Press ). In this Science and Children article, Page Keeley outlines various ways it might ...
Students raise butterflies and moths: observing, comparing, and contrasting their life cycles. Students will note the similarities of these organisms metamophosis (same stages, same order) and the differences (the amount of time t ...
This article gives suggestions for building a simple walk-in classroom butterfly observatory and using the observatory to hatch out Painted Lady butterflies as part of a four-week unit on life cycle stages.
This article describes a ladybug life cycle unit that incorporates language arts and science concepts. Students build on their prior knowledge of butterflies as they explore the metamorphosis of ladybugs. To create their final project, clay ...
Students learn about the life cycle of pea plants by planting peas and observing their through their stages of development. Students write and illustrate a book about their pea plant life cycle experience, which functions as a stu ...
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Students will identify the parts of a honey bee, the stages of its life cycle, and its role in pollination.
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