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Branches of Science

Branches of Science. Mrs. Geisler. Biology. Bio- life Ology – study of Branches of Biology : Anatomy : study of the structure of organisms Genetics : heredity of living things Microbiology : microscopic living things Physiology : functions of the structures that make up living things.

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Branches of Science

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  1. Branches of Science Mrs. Geisler

  2. Biology • Bio- life • Ology – study of Branches of Biology: • Anatomy: study of the structure of organisms • Genetics: heredity of living things • Microbiology: microscopic living things • Physiology: functions of the structures that make up living things. • Taxonomy: study of the classification of organisms. • Botany: study of plants • Zoology: study of animals • Ecology: study of interactions among organisms and their environment.

  3. Chemistry • Study of the composition, structure, properties and change of matter.

  4. Physics • Study of movement of objects.

  5. Independent and Dependent variables. • Independent Variable – “The Cause” • The one thing that is changed in an experiment • This variable makes one test “independent” of another test • Dependent Variable – “The Effect” • The result of the experiment • What is measured • This “depends” on what you changed

  6. The temperature of the water was measured at different depths of the lake. Different depths Temperature Independent V. Dependent V.

  7. The amount of time you study will make a positive difference on your next test score. Time studying Score on the next test Independent V. Dependent V.

  8. The higher the temperature of water, the faster the egg will cook Temp of water time it takes to cook IV DV

  9. An investigation was done to see if keeping the lights on for different amount of time each day affected the number of eggs the chicken lay. • Amt. lights are on number of eggs layed • IV DV

  10. The time it takes to run a mile depends on the amount of exercise a person gets. • Time to run a mile amt. of exercise • DV IV

  11. Grass will grow taller if it is watered and fertilized more. • Height of grass watered and fertilized • DV IV

  12. The amount of algae growth in lakes seems to be directly related to the number of sacks of fertilizer sold. • Amt. of algae growth fertilizer sold • DV IV

  13. Measurements • Volume – liters (base unit) • Length – meters (base unit) • Mass – grams (base unit) • Time – seconds (base unit)

  14. Kids Having Doughnuts Usually Drink Chocolate Milk • Kili • Hecto • Deka • Unit • Deci • Centi • Milli

  15. Monday: Bellringer • On a piece of scrap paper, identify if each statement is an inference or observation.

  16. 1. Problem/Question • Problem • Ex. All the fish are dying in the river. • Question • Ex. I wonder what the inside of a fish looks like.

  17. 2. Gather Information • You should gain knowledge so you can make an educated hypothesis.

  18. 3. Hypothesis If__________then____________,because______________. Will food coloring in water change the color of a carnation? Will more light make plants grow taller?

  19. 4. Experiment • Experimental Group • Independent Variable - Manipulate • Dependent Variable - Data • Control Group • No Independent Variable

  20. 5. Collect & Analyze • Data!

  21. Identify qualitative or quantitative data. • There are four bubbles that formed. • The carnation is blue. • The plants grew more when there was added nitrogen in the fertilizer. • 68% of the ninth grade class received their laptops. • The student answered 9 out of 10 questions correct.

  22. 6. Conclusion • Accept or Reject Hypothesis.

  23. Communicate This is why a lab report is written!

  24. Variable – root word = vary, meaning can change • Ex. Independent and dependent variable

  25. 1 mile 1.6 kilometers 1 yard = 0.9444 meters 1 inch = 2.54 centimeters English vs. Metric Units Which is longer? A. 1 mile or 1 kilometer B. 1 yard or 1 meter C. 1 inch or 1 centimeter Left Image: http://webapps.lsa.umich.edu/physics/demolab/controls/imagedemosm.aspx?picid=1167Right Image: http://share.lancealan.com/N800%20ruler.jpg

  26. 1 centimeter = 10 millimeters What is the length of the line in centimeters? _______cm What is the length of the line in millimeters? _______mm What is the length of the line to the nearest centimeter? ________cm HINT: Round to the nearest centimeter – no decimals. Measuring Length How many millimeters are in 1 centimeter? Ruler: http://www.k12math.com/math-concepts/measurement/ruler-cm.jpg

  27. A. 1 meter or 105 centimeters B. 4 kilometers or 4400 meters C. 12 centimeters or 102 millimeters D. 1200 millimeters or 1 meter km Metric Units m cm mm The basic unit of length in the metric system in the meter and is represented by a lowercase m. Standard: The distance traveled by light in absolute vacuum in 1⁄299,792,458 of a second. Metric Units 1 Kilometer (km) = 1000 meters 1 Meter = 100 Centimeters (cm) 1 Meter = 1000 Millimeters (mm) Which is larger?

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