3. DOS~Mon 1. Which of the following is a precaution you should take AFTER a lab investigation is complete? a. Read the activity and ask questions b. Wash your hands c. Put on an apron and goggles d. Take good notes

4. DOS~Mon 1. Scientist should communicate clearly with each other after an investigation to... a. Share conclusions b. Identify patterns c. Write hypothesis d. Collect data

5. DOS~Mon 1. Which of the following is the BEST method for separating a mixture of iron filings and sand? A bunsen burner A filter A funnel A magnet

6. DOS TUESDAY 1. You need to mix 5 grams of a powder into water. You mix 10 grams of the powder into the water by mistake. What should you do?  Ignore it because the experiment will probably work better with more powder.  Add more water to the solution.  Pretend it didn’t happen and continue with the experiment.  Tell your teacher so the liquid can be disposed of properly, and then begin again.

7. DOS TUESDAY 2. Which type of display would BEST show the fractions of different colored candies in a bag of candies?  A circle graph  A line graph  A data table  A bar graph

8. DOS TUESDAY 3. Which type of display would BEST show the amount of pollution in a stream and how it changed over a ten year period? A bar graph Circle graph Data table Line graph

9. DOS WEDNESDAY 1. What type of change is likely to occur when your bicycle is left outside in the rain and air? Chemical change Physical change Change of state Evaporation

10. DOS WEDNESDAY 2. A _________ change is when a substance remains itself without changing into a new substance; ex: scrambled egg. Physical Chemical Table salt ( NaCl 2 ) None of the above

11. DOS WEDNESDAY 3. All of the clothes and shoes in your closet are examples of matter, which is: *Something that is important. *A word made up of smaller words. *Anything that has mass and takes up space. All of the above

12. DOS THURSDAY 1. In the Airplane Experiment, we conducted a total of 10 TESTS. What is another name for the TEST ran in this experiment? *hypothesis *analyze *Trial Question

13. DOS THURSDAY 2. What happens to the tiny particles of H2O as the temperature increases. *The particles goes from a solid state to a liquid state. *The particles goes from a gas to a liquid. *The particles goes from a liquid to a solid All of the above

14. DOS THURSDAY 3. A change of state is _________ *When matter changes from a solid to a liquid then to a gas. *When there is an increase or decrease in temperature. *A physical change All of the above