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Use models to describe that energy in animals’ food (used for body repair, growth, motion, and to maintain body warmth) was once energy from the sun.
Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
Make observations to determine the effect of sunlight on Earth’s surface.
Create a computational model to calculate the change
in the energy of one component in a system when the change in energy of the other component(s) and energy flows in and out of the system are ...
Use evidence to construct an explanation relating the speed of an object to the energy of that object.
Make observations to provide evidence that energy can be transferred from place to place by sound, light, heat, and electric currents.
Design, build, and refine a device that works within given constraints to convert one form of energy into another form of energy.*
Support an argument that the gravitational force exerted by Earth on objects is directed down.
Develop a model using an example to describe ways the geosphere, biosphere, hydrosphere, and/or atmosphere interact.
Apply scientific ideas to design, test, and refine a device that converts energy from one form to another.*
Develop a model to describe that matter is made of particles too small to be seen.
Support an argument that plants get the materials they need for growth chiefly from air and water.