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Ones and Tens, Group The Aliens

Elementary students will have a fun chance of reinforcing their understanding of the ones and tens places by grouping numbers of aliens in groups of 10 and writing down how many are left over. Students will better understand what whole numbers are and that they can be represented by written symbols and be represented in amounts of tens and ones.

Physical Weathering Surface Area Lab

In this Earth Science lab, students will design an experiment to answer the following question. Will rock weather faster or slower if it has more surface area exposed? Students will use Alka-Seltzer as their rocks. They will have to come up with a control and two other variables, They will need to list their hypothesis, step by step procedures, observations, and create a statement of conclusion. When they are finished they will understand the relationship between surface area and rate of weathering.

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