unit 1 test review. what is earth science?? 1.list and describe the 4 main branches of earth...
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Unit 1 Test Review
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What is Earth Science??
1. List and describe the 4 main branches of Earth Science.
2. List and describe the 4 spheres of the Earth.
3. What do we mean by the Earth works as a “system”?
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What is Earth Science??
1. List and describe the 4 main branches of Earth Science.– Geology, meteorology, astronomy, oceanography
2. List and describe the 4 spheres of the Earth.– Lithosphere, atmosphere, hydrosphere, biosphere
3. What do we mean by the Earth works as a “system”?
Earth works as a “System” – If you change something in one sphere another sphere will be affected
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Scientific Inquiry
4. What is the scientific method?
5. What are the 6 steps of the scientific method?
6. What is a “hypothesis” and what must be?
7. What is the difference between an observation and an inference?
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Scientific Inquiry4. What is the scientific method?
Series of steps scientists use to solve a problem5. What are the 6 steps of the scientific method?
1. Ask a question/state the problem2. Research / Observation3. Hypothesis4. Experiment5. Analyze Results6. Conclusion
6. What is a “hypothesis” and what must be?an educated guess and TESTABLE
7. What is the difference between an observation and an inference? An observation is based on your senses (ex. Sight, smell , touch, etc…) Inference is an EXPLANATION of the observation.
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Experimental Design
6 When you design an experiment how many variables do you change?
7 What is the independent variable in an experiment?
8 What is the dependent variable in an experiment?
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Experimental Design
6 When you design an experiment how many variables do you change?
one
7 What is the independent variable in an experiment?
What you are testing / changing in an experiment
8 What is the dependent variable in an experiment?
What you are measuring in an experiment
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Graphing
9. What is the independent variable ?
10. What is the dependent variable?
Remember DRY MIX
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Graphing
9. What is the independent variable? Temperature
10. What is the dependent variable? Pressure
Remember DRY MIX
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Experimental Design Problem
12. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. Height of the tree is measured once a week.
• List the following:– Independent variable– Dependent variable– Controlled variables– Control Group– Experimental Group
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Experimental Design Problem
12. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. Height of the tree is measured once a week.
• List the following:– Independent variable
• Humidity levels
– Dependent variable• Height of tree
– Controlled variables• Type of tree, same time
– Control Group• Tree outside
– Experimental Group• Trees in greenhouse
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Measurement
13.The information gathered during an experiment is called ________.
14.What is the difference between qualitative data and quantitative data?
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Measurement
13.The information gathered during an experiment is called data.
14.What is the difference between qualitative data and quantitative data?
Qualitative = data from senses (bubbly, rough, etc..)Quantitative = data based on numbers (12 mL, etc..)
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Measurement
15.List the units and tool used to measure for the following;– Mass– Volume (solid)– Volume (liquid)– Temperature– Length– Weight
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Measurement
15.List the units for the following;– Mass – grams (g) – BALANCE– Volume (solid) – centimeter cubed (cm3) - RULER– Volume (liquid) – liters (l) – GRADUATED CYLINDER– Temperature – Celsius (C ) - THERMOMETER– Length – meters (m) – METER STICK– Weight – Newtons ( N) – SPRING SCALE
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16. What is the measurement?
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16. What is the measurement?
12 mL 16 mL 14 mL 14 mL
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17. What is the measurement of the leaf?
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17. What is the measurement of the leaf?
• 8.3 cm
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18 .List the latitude and longitude of 1 -10.
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1. 60 o N 120 o W2. 30 o N 30 o W3. 60 o N4. 60o N 90 oW5. 30 oN 150 o W6. 30 o S 150 o W7. 30 o S 60 o W8. 60 o S9. 30 o S 60 oE10. 60 o S 120 o E
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Topographic Maps
19.What does a topographic map show?
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Topographic Maps
19. What does a topographic map show?– Shape and elevation of the land
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Topographic Maps
20. What is the elevation at point A?
21. What is the contour interval of this map?
22. What is the maximum elevation that point C could be?
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Topographic Maps
20. What is the elevation at point A? 100 ft
21. What is the contour interval of this map? 5 ft
22. What is the maximum elevation that point C could be? 119 ft
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23. Match the map to the profile
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Please match the contour map on the left with the profile on the right.