1. DOS Monday 1. Which of the following would NOT make a good insulator? Rubber Plastic Wood Metal

2. DOS Monday 2. What kind of charges attract one another? Like Opposite Positive Negative

3. DOS monday 3. Which of the following is NOT evidence of a chemical change? A release of heat Gain or loss of mass Change in volume Color change

4. DOS Tuesday 1. Why can you hold an electric toothbrush without getting shocked? The toothbrush uses only a little electric current. The plastic case is an insulator Your hands are poor conductors of electricity You don’t keep the toothbrush running long enough

5. DOS Tuesday 2. Two balloons repel each other. What is the BEST explanation? They have opposite charges They have mixed charges They are uncharged They have the same charge

6. DOS Tuesday 3. What is the main difference between a series circuit and a parallel circuit?  Series carries a current and parallel does not  Parallel does not need electric charges and series does  Series needs only one path and parallel has more than one path  There is no difference

7. DOS Wednesday 1. The mass of an object is 375g. Mary breaks the object into four pieces. The mass of the three pieces are given in the table. What is the mass of the fourth piece? 25g 50g 100g 200g

8. DOS Wednesday 2. When you take clothes out of the dryer and they stick together, you can see __________. a fish static electricity a magnet a reptile

9. DOS Wednesday 3. How are static electricity and current electricity different?  They are both the same.  Static electricity remains on an object and current flows between objects.  Static charges flow, and current charges remain on an object  None of the above

10. DOS Thursday 1. BEFORE you plan and carry out an experiment, you must develop this:  a hypothesis  a conclusion  Analyzed data  Communication of results

11. DOS Thursday 2. How are the following elements alike? and  They are both used to insulate wires.  Negative charges move through them easily.  Negative charges can’t move through them.  All of the above

12. DOS Thursday 3. On the Celsius scale, water boils at  0 degrees  32 degrees  100 degrees  212 degrees