1. Electrostatic Circus

2. Magic Tape Objective: Investigate how charges that have been separated affect each other. StrawsTapeFilm Container Clay Hypothesis: When separated the tape will _____________

3. 1 Put two pieces of tape on the table and pull them up. 2 Put one on the straw horizontal and bring the other close to it 3 Record what happens 4 Put one tape on top of the other and separate them 5Repeat 2 & 3 Questions 1Why did the first tapes repel? 2Why did the second tapes attract? Magic tape

4. Charging by Friction Purpose: Investigate how a charge is produced. Hypothesis: when rubbed vigorously an object ___________ have a charge. Pieces of paperStraw CupWool

5. 1Tear up paper into tiny bits 2Put the straw close to the paper and observe 3Rub the straw with the wool or plastic 4Repeat 2 5Repeat with the cup instead Questions 1 Are the bits of paper charged? Why or why not? 2What is charge? 33 When inducing charge do you think electrons or protons are being moved? Explain. Charge By Friction

6. Sticky Balloons Purpose: Investigate charges on balloons. BalloonsHairWall Hypothesis; How can you make like and unlike charges?

7. Procedure 1 Rub both balloons against your hair. 2Bring the balloons together observe and record. 3Put both balloons on the wall observe and record. Questions 1 Why did the balloons repel each other? 2 Why did the balloons stick to the wall? Sticky Balloons

8. Soda Can Attraction Purpose: Investigate charge by induction Hypothesis: The soda can will be ________ By the charge rods/comb.

9. 1.Charge the rod/comb by rubbing it with the wool. 2.Bring it close to the soda can and record. 3.Repeat with the plastic. Questions: What happened? Why? Soda Can Attraction

10. Stream Deflection Purpose: Investigate how charge affects a stream of water Hypothesis: When the charged object is brought close to the stream it will __________

11. 1 Start a gentle stream of water. 2Charge the comb with a piece of fur. 3Bring the comb close to the stream observe and record. Questions What happened and why? Stream Deflection

12. Charge It Purpose: Investigate how electrophorous can be used to explain induction of charge. Hypothesis: What will happen when the cup is charged

13. 1 Charge the cup 2 Set the cup on top of the aluminum tin 3 Touch the tin with your finger observe and record what you feel and see Questions 1.Is the charge on the pie pan the same or different form the charge on the foam? How do you know? 2.You can recharge the pie pan many times without having to rub the foam again. Why?