Unit 1 Study Guide – worth 10 pts Name_______________________per______Know the following vocabulary: Understand the following concepts:Scientific MethodControlled variablesManipulated (independent) variableResponding (dependent) variableSI systemMetric systemMeterLiterGramsGraduated cylinderExperimental control conditionScatter plotEngineering design process (also known as Engineering cycle)CriteriaConstraintTechnologyEngineerUnintended ConsequenceSignificant digits

1. The steps in the scientific method, including collecting information, forming a conclusion, and making predictions.

2. Be able to interpret results presented in graphs. Look at the graphs on the left, what can you conclude?

3. Know where the independent and dependent variables are shown on graphs

4. Sally was wondering “How does distance from the star affect its brightness?” What is her independent variable?

5. What was Sally’s dependent variable?6. What is another word for model?7. Know the steps of the engineering design process.8. Who designs and creates technology?9. Be able to measure volume of liquids in a graduated

cylinder.10. What are the meaningful digits of a measurement

called?11. Which variable goes on the X axis? The Y axis?12. How many centimeters are in 5 meters?13. Choose the largest measurement:

a. 5,000,000 millimetersb. 190,000 centimetersc. 3000 metersd. 1.5 kilometers

14. Grams measure? Liters measure? Meters measure?15. Know the meanings of the following prefixes: milli,

centi, kilo, deci16. Jose and Tasha want to improve the soil in the garden

by increasing the amount of nitrogen. They decide to spread chicken manure on the soil because it is known to have high amounts of nitrogen. PROBLEM: increase the nitrogen in the soilDescribe two criteria Jose and Tasha could use to evaluate if their solution is successful in solving the problem.

17. Explain how Jose and Tasha would Research the Problem.

18. What would be TWO unintended consequences of adding extra nitrogen to the soil?