Sandoval's 7th grade Science
2nd Semester Review
You are amazing!

Demonstrate and explain the cycling of matter within living systems such as in the decay of biomass in a compost bin.
Diagram the flow of energy through living systems, including food chains, food webs, and energy pyramids.

Analyze the effects of weathering, erosion, and deposition on the environment in ecoregions of Texas.

Model the effects of human activity on groundwater and surface water in a watershed.

Watershed Game

Analyze the characteristics of objects in our solar system that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere.


Identify the accommodations, considering the characteristics of our solar system, that enabled manned space exploration.

To be in space we need A system for breathing, air pressure, temperature control, walking, identification, food storage…can you think of any more…
Describe how different environments, including microhabitats in schoolyards and biomes, support different varieties of organisms.

Describe how biodiversity contributes to the sustainability of an ecosystem.

Observe, record, and describe the role of ecological succession such as in a microhabitat of a garden with weeds.
Examine organisms or their structures such as insects or leaves and use dichotomous keys for identification.


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