1. DOS WEEK OF OCT 13-17, 2015 SCIENCE

2. DOS TUESDAY 1. Ra’Shun helps cook meals for his family. Which of these is a chemical change? a.Baking a cupcake b.Boiling water c.Cutting cheese into slices d.Adding chocolate powder to milk

3. DOS TUESDAY 2. Opposite charges ______ or pull toward each other. a.attract b.repel c.Both a and b d.None of the above

4. DOS TUESDAY 3. Lightning is an example of: a.Current electricity b.Static electricity c.Magnetic attraction d.Magnetic repulsion

5. DOS WEDNESDAY 1. In an investigation, Brooke used a banana that was still a little green. Jeff used a ripe banana that had black spots on it. What might explain the difference in qualitative data collected? a.) The observations they made b.) The quantitative tools they used c.) Neither A nor B d.) Both A and B

6. DOS WEDNESDAY 2. The nucleus of an atom consist of 3 particles called: a.Atoms, protons, electrons. b.Protons (+), electrons (-), neutrons (no charge). c.Molecules, elements, atoms. d.None of the above.

7. DOS WEDNESDAY 3. Which is an example of a physical change? a.Burning wood b.Tarnishing silver c.A rusted nail d.Slicing a banana

8. DOS THURSDAY 1.Someone gives you a sweater for your birthday, and you infer that it’s handmade. Which observation supports your inference or finding? a.The sweater has stripes across the front. b.It is too small for you. c.It has no label that show who made it. d.It came in a box from a store at the mall.

9. DOS THURSDAY 2. Charges that are the same ______ or push away from each other. a.attract b.repel c.Both a and b d.None of the above

10. DOS THURSDAY 3. What would happen if you removed the iron core from an electromagnet? a.The magnetic field would push away other magnets. b.The magnetic field would be weaker. c.The electromagnet would no longer have a magnetic field. d.The current in the wire coils would change direction.