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Use mathematical representations to support the claim
that atoms, and therefore mass, are conserved during a chemical reaction.
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
2nd graders show understanding that some changes caused by heating and cooling are reversible and some are not. (NGSS)
Design, build, and refine a device that works within given constraints to convert one form of energy into another form of energy.*
Use evidence to construct an explanation for how the variations in characteristics among individuals of the same species may provide advantages in surviving, finding mates, and reproducing.
Web resources used at Ocean Lakes Elementary School in Virginia Beach, Virginia.
Make observations and/or measurements of an object’s motion to provide evidence that a pattern can be used to predict future motion.
Evaluate the claims, evidence, and reasoning behind the idea that electro magnetic radiation can be described either by a wave model or a particle model, and that for some situations one model is...