GALL+INT+SCI+B+WEEKS+7-9

Ms. Gall: Integrated Science B, Weeks 7 -9.



^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ January 25, 2011: static electricity Pre-Lab: 35 points. Copy in your own words, neatly, before the lab and turn in for 35 points. Title, Purpose, Hypothesis, Materials, Procedure, Data Table Turn in a photocopy or printout from someone else: 20 pts. Lab: 35 points. Complete the data table (neatly, completely) Answer the questions (neatly, completely) Due Friday, January 28. Static electricity lab Purpose: To observe examples of static electricity and try to explain it. Hypothesis: Negatively- charged electrons moving as a result of friction cause some items to move. Static electricity lab Materials: <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Balloons <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Fabrics <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Fuzzy: Sweatshirts <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Smooth: dress-shirts, T-shirts <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Vertical surfaces <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Painted brick wall <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Wood veneer cabinets <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Tiny pieces of paper <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Plastic fine- toothed combs <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">Static electricity lab <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">Procedure: <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Rub each pair of items (in the data table) together. <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Rows on data table: balloons; plastic comb; paper pieces <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 1.25in;">Columns: fuzzy fabric; smooth fabric; painted wall; wooden cabinet door; balloons; plastic comb; paper pieces <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Record observations. <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">Static electricity lab- Data Table <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">Static electricity lab: questions <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">State your observations from the lab using sentences. <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Which materials moved? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Which materials did not move? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">How did materials move (describe)? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.25in;">Which of your observations can be explained using the idea of static electricity? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Why did some materials move in response to others? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Why is it that some materials did NOT interact? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">What did you expect to happen, and why? <span style="font-family: 'Calibri','sans-serif'; font-size: 9pt; margin: 0in 0in 0pt 0.75in;">Did anything unexplained or unusual happen, and if so, what was it? ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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