Science Worksheets and Study Guides Seventh Grade. Photosynthesis and Respiration

The resources above correspond to the standards listed below:

Maryland Standards

MD.3.0. Life Science: The students will use scientific skills and processes to explain the dynamic nature of living things, their interactions, and the results from the interactions that occur over time.
3.B.1. Cells: Gather and organize data to defend or argue the proposition that all living things are cellular (composed of cells) and that cells carry out the basic life functions.
3.B.1.a. Use microscopes or other magnifying instruments to observe, describe, and compare the cellular composition of different body tissues and organs in a variety of organisms (animals and plants).
3.B.1.b. Based on data from readings and designed investigations, cite evidence to illustrate that the life functions of multicellular organisms (plant and animal) are carried out within complex systems of different tissues, organs and cells: Extracting energy from food; Getting rid of wastes; Making raw materials.
3.B.1.c. Based on research and examples from video technology explain that the repeated division of cells enables organisms to grow and make repairs.
3.E.1. Flow of Matter and Energy: Explain that the transfer and transformation of matter and energy links organisms to one another and to their physical setting.
3.E.1.a. Cite evidence from research and observations that food provides molecules that serve as fuel and building materials for all organisms.
3.E.1.b. Cite evidence from research and observations that organisms that eat plants or animals break down what they have consumed (food) to produce the materials and energy they need to survive or store for later use.
3.E.1.c. Investigate and describe the processes that enable plants to use the energy from light to make sugars (food) from carbon dioxide and water.
3.E.1.f. Provide evidence that supports the premise 'In the flow of matter system the total amount of matter remains constant even though its form and location change': Carbon cycle; Nitrogen (cycle); Food chains and food webs.

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