September 2, 2014

2. September 2, 2014 • Objective: List the steps in the scientific method SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Flower Power fertilizer to see if it will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He places one plant in a sunny window and waters it every day with fertilized water. He places the other plant on a shelf in a closet and waters it with plain water every other day. What did SpongeBob do wrong in this experiment? Explain. What should SpongeBob do to test the effectiveness of Flower Power fertilizer? Write an experiment.

3. Vocabulary • observation subjective • (observation) • objective • (observation) • inference • hypothesis control group constants variables • independent • (variable) • dependent • (variable) • quantitative data qualitative data

4. September 7th 2014 • If scientists want to determine if a skin cream is affective against fighting acne, what would be the independent variable? 2. A “double blind study” in which the researchers themselves do not even know which group is the placebo group and which group is a medicated group is more accurate than one in which the researches know what the participants are getting. Why? 3. In each group of questions, circle the question that you think is the best scientific question. a) “What are the ingredients in the bread?” OR “What causes bread torise?” b) “Is this juice acidic or basic?” OR “What kind of fruit is this juice from?” c) “What is the purpose of my life?” OR “What conditions are necessary for life?