Proper Measurement Techniques in Science Education
Learn about reading measurements from graduated cylinders, identifying lab equipment, calculating work, and understanding solubility through engaging visual aids. Enhance your scientific knowledge with explanations on force, volume, and measurement tools.
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Presentation Transcript
1. The proper way to read a measurement from a graduated cylinder is: A. The bottom of the meniscus B. The edges of the meniscus C. The line easiest to see D. By raising the graduated cylinder
2. The system of measurement that allows people worldwide to compare data is the ___. A. US Customary System B Metric System C. English Standard System D. The Scientific Method What is the proper measurement for this 3 balance? C. 127.7 g D. 207 g 3. beam A. 27.7 g B. 27.7 mL
4. Name the following piece of lab equipment: A. Beaker B. Microscope slide C. D. Graduated cylinder Petri Dish
5. What is the proper measurement for this meter stick? A. 41.8 cm B. 41.6 cm C. 40 in D. 40 cm
6. We measured force using an instrument called a A. Triple beam balance B. Graduated cylinder C. beaker D. spring scale
7. Reading the bottom of the meniscus, the volume in this graduated cylinder is:
8. What is the formula used to calculate work? A. Work = mass X acceleration B. Work = force X distance C. Work = force X mass 9. Sally pushed the 10 kg stroller with 50 N of force and it moved 3 m. How much work was done? A. 150 J B. 50 J C. 500 J D. 30 J
10. Using the graph below, what is the solubility of KBr at 100oC in 100 g of water? A. 80.0 g B. 100.0 g C. 102.5 g D. 110.0 g Solubility (g/100g H2O
11. Which ramp requires more force to be used? A.The ramp with 4 books B.The ramp with 2 books
12. What must a scientist consider when choosing a tool to make a measurement? A. the time of day B. what is being measured (example: length, mass & volume) C. temperature D. density of the object 13. Is work done if force is applied to an object, but the object does not move?
14. Inclined planes like a ramp __________________ the distance an object travels. A. Decrease C. don t change B. Increase D. gravity
15. Using ramps such as a wheelchair ramp A. Changes the amount of work done B. Changes the amount of force needed C. Does not change the amount of force needed 16. When you increase the steepness of a ramp you also increase the amount of A. Work done B. Force needed C. Neither D. Both
17. Identify the correct tool that would be used to measure: a. Volume is measured by __graduated cylinder_______ b. Length is measured by _meter stick/ruler___________ c. Mass is measured by __triple beam balance_________ d. Temperature is measured by _thermometer_________
18.An irregular object, like a rock, was placed inside a graduated cylinder. How much water was displaced? A. 200 mL C. 280 mL B. 270 mL D. 70 mL
19. List the two measuring tools used in ramp up your muscle ramp. 20. A girl carries a backpack at a constant height. Has she done any work on the backpack? A. yes B. maybe C. no
