DOS Week of: August 27-31, 2012

DOS Mon 1. Which tool would be MOST helpful in measuring the weight of an object? a.b.c.

DOS Mon 2. During an investigation, you accidently crack a glass beaker. What should you do? *Keep using it unless it starts to leak. *Show it to the teacher. *Don’t put any liquids in it. *Don’t put any dangerous chemicals in it.

DOS Mon 3. A graph that shows change over a period of time is? a. b. c.

DOS Tues 1. After you perform the experiment the next step is __________ *Form a hypothesis. *draw a conclusion. *record and interpret the data. *There is not another step after the experiment.

DOS Tues 2. Both a data table and a ________ ______ are used to compare data. *controlled variable *draw conclusion *bar graph *circle graph

DOS Tues 3. ___________ variable is the variable that remains the same in an experiment *scientific *dependent *independent *controlled

DOS Wed 1. Andy is testing balloon rockets with different amounts of air. What is the dependent variable? *amounts of air in the balloons *the different amounts of air in the balloons *None of the above *All of the above

DOS Wed 2. Which of the following investigation steps are done first? *test a hypothesis *form a hypothesis *interpret data *ask questions

DOS Wed 3. In Andy’s investigation he tested different amounts of air in the balloon. What is the independent variable in his investigation? **amounts of air in the balloons *the different amounts of air in the balloons *None of the above *All of the above

DOS Thurs 1. Which of these is a scientific inquiry? *finding out why dead fish are floating in a stream? *explaining how to wash a car *gathering photographs to make a family history *convincing classmates to recycle paper

DOS Thurs 2. Which statement is true? *a circle graph compares data *a circle graph shows change over a period of time *a line graph shows change over a period of time *Scientist CAN NOT use a data table at all to record data.

DOS Thurs 3. A good scientist is NOT *willing for others to test his or her ideas. *ready to build on other’s ideas. *eager to take credit for others ideas. *able to share ideas clearly.

(1) Question Develop a testable question. (2) Collect/ Research Research your question (3) Hypothesis Make a statement about your question’s outcome (4) Experiment Procedure you carry out to test your hypothesis (5) Analyze: (Record and Interpret Data) Recording data into a graph or table. Look over data to form an answer to your question (6) Draw Conclusion Final statement about the experiment’s outcome