1. Scientific Investigation Who’s Smarter than a 6th Grade Scientist? Warm-ups Aug 29-Sept 2, 2011

2. Scientific Investigation— Lab Safety Johan and Isabelle were absent the day before when the lab was introduced. They gathered the materials and watched their classmates to see what to do. Which lab safety rule did they violate? What should they do instead? Monday, Aug 29, 2011

3. Scientific Investigation, Reasoning, and Logic A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, “I think the sponge will float.” This statement was — F a conclusion G a fact H an observation J a prediction/hypothesis Science RI 2007 – Q18 Tuesday, Aug 30, 2011

4. Scientific Investigation, Reasoning, and Logic A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, “I think the sponge will float.” This statement was — J a prediction/hypothesis Science RI 2007 – Q18 Tuesday Aug 30, 2011

5. Scientific Investigation, Reasoning, and Logic A Change her results to match her original hypothesis. B Repeat her investigation to see if her results are the same. C Conclude that investigations can only be performed on water. D Tell her friends that investigations at school work better than at home. Science RI 2007 – Q11 A student thinks that orange juice will freeze faster than any other substance.She fills identical containers with the same amount of different liquids, then places each in the freezer. She checks them every five minutes and discovers that the orange juice is the last one to freeze and the water is the first to freeze. Which should the student do next? Wednesday Aug 31, 2011

6. Scientific Investigation, Reasoning, and Logic B Repeat her investigation to see if her results are the same. Science RI 2007 – Q11 A student thinks that orange juice will freeze faster than any other substance.She fills identical containers with the same amount of different liquids, then places each in the freezer. She checks them every five minutes and discovers that the orange juice is the last one to freeze and the water is the first to freeze. Which should the student do next? Wednesday Aug 31, 2011

7. Scientific Investigation, Reasoning, and Logic In an experiment, Jackson tested to see how the size of rocks affects the amount of dirt that washes away when water flows downhill. Which variable was manipulated? F Amount of water G Slope of the hill H Size of the rocks J Type of dirt Science RI 2007 – Q16 Thursday Sept 1, 2011

8. Scientific Investigation, Reasoning, and Logic In an experiment, Jackson tested to see how the size of rocks affects the amount of dirt that washes away when water flows downhill. Which variable was manipulated? H Size of the rocks Science RI 2007 – Q16 Thursday Sept 1, 2011

9. Scientific Investigation, Reasoning, and Logic Sandy is conducting an investigation to find out which food his dog likes best. Which is the manipulated variable in his investigation? F The color of his dog’s food dish G The kind of food he gives his dog H The amount of food he gives his dog J The time of day he feeds his dog Science RI 2007 – Q22 Friday Sept 2, 2011

10. Scientific Investigation, Reasoning, and Logic Sandy is conducting an investigation to find out which food his dog likes best. Which is the manipulated variable in his investigation? G The kind of food he gives his dog Science RI 2007 – Q22 Friday Sept 2, 2011

11. Scientific Investigation, Reasoning, and Logic To find out which soil absorbs (holds) moisture best, each container shown must — A be made of a different material B have soil from the same place C be tested by the same person D contain the same amount of soil Science RI 2007 – Q29 Friday Sept 2, 2011

12. Scientific Investigation, Reasoning, and Logic To find out which soil absorbs (holds) moisture best, each container shown must — D contain the same amount of soil Science RI 2007 – Q29 Friday Sept 2, 2011