1. DOS WEEK 5 SCIENCE

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

3. DOS TUESDAY Which could you best separate with a filter? a.Pepper and sugar b.Rocks and woodchips c.Sugar and iron filings d.Rocks and sand

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

5. DOS WEDNESDAY 1.In her investigation, Brooke cut up 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 their results? a.The observations they made b.The way they recorded their observations c.The materials they used d.The tools they used

6. DOS WEDNESDAY 2.A hand lens and microscope are used mainly to a.Measure distances and sizes b.Make observations c.Analyze results d.Make predictions

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.How can bacteria be helpful? a.Some kinds can cause strep throat. b.Some kinds treat diseases. c.They grow on uncooked foods. d.They are bigger than viruses.

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.