| A | B |
|---|
| The shocks that you get from walking accross a carpet and then touch a metal door knob look like small: | Lightning bolts |
| ________was the first to guess that a lightning discharge was similar to electric sparks. | Benjamine Franklin |
| An__________can help remove containants released from the smoke stacks of ore smelting plants. | Electrostatic preapitate |
| For many materials,such as the balloon, the charge stays on the spot where you rub the object.Such materials fit into a class called________. | Insulators |
| Materials that do allow charges to move freely are classified as: | Conductors |
| A________is charged by induction,just like the sphere on your electroscope when you brought a negatinely charged rod near it. | Lightning Rod |
| The charge that spreads throughout the entire surface when it becomes charged is called: | Static Electricity |
| The Study of charges that are not moving are called: | Static Electricity |
| If the charge is great enough you will see a __________ or an electrical discharge. | Spark |
| A metal leaf__________ can detect the presence of charge | Electroscope |
| "Like charges repel and unlike charges attract." You will see this conclusion written as the _________. | Law of attraction and repulsion |
| A charge carried by protons_________. | positive charge |
| A charge carried by electrons________. | Negative charge |
| In a battery,the plate having excessof electrons. | Negative terminal |
| You can measure the ptential difference between two circuit with an intrument called a _________. | Voltmeter |
