Opening Assignment Copy the vocab below and match to the correct definition 1. Conjecture ___ 2. hypothesis_ 3. dependent variable __ 4. Independent.

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Opening Assignment Copy the vocab below and match to the correct definition 1. Conjecture _______ 2. hypothesis_______ 3. dependent variable ____ 4. Independent variable ____ 5. Experimental group ____ 6. Control group ______ 7. Scientific theory _____ 8. Scientific law _____ A. The variable that is changed B. Explains why something happens in nature C. A research based prediction of what will happen in your experiment D. The group that does not get the independent variable E. The variable that is measured F. An idea that has no research behind it. G. States what will happen but does not explain it H. The group that gets the independent variable or NEW stuff

Study Guide Practice Graphing An environmental scientist did a study to answer the question: Does the pH of the water affect the density of the tadpoles in the Indian River Lagoon. 9. What is the question in this experiment? 10. What are the variables? 11. Make a line graph of the data on the bottom of this form. 12. What is the average number of tadpoles collected per sample? 13. What is the optimum water pH for tadpole development? 14. Between what two pH readings is there the greatest change in tadpole number? 15. How many tadpoles would we expect to find in water with a pH reading of 5.0?

By Mrs. Shaw Unit 1 – Nature and Process of Scientific Investigations Review Game

Rules of the Game On your scrap paper, write the name of all your team members and the class period. You will be working as a team and can discuss your answers before you write them down.

Rules of the Game The group that gets the most correct answers will earn 5 bonus points on tomorrow’s test. Remember that the teams around you are listening and you are competing for these points.

Question #1 List 2 ways that science is different from other fields of study.

Question #2 How are a conjecture and a hypothesis different?

Question #3 List the steps in a scientific investigation

Question #4 Explain the difference between a qualitative and a quantitative observation.

Question #5 What is a scientific theory?

Question #6 What is a scientific law?

Question #7 What is a dependent variable?

Question #8 What is an independent variable?

Question #9 How do you calculate the mean of a set of data?

Question #10 List 2 ways that scientific theories and scientific laws are similar.

Question #11 What is the difference between a bar graph and a line graph?

Question #12 How are the control group and the experimental group different?

Let’s see who the winners are!! If there is a tie I have a tie breaker question

Tie Breaker Ethylene is a plant hormone that causes fruit to mature. The data above concerns the amount of time it takes for fruit to mature from the time of the first application of ethylene by spraying a field of trees. A.What is the question? B.What are the variables? C.Make a line graph of the data and form a conclusion.