Long Test #1 Science 7 PDF

**LONG TEST \#1** Science 7 Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score: \_\_\_\_\_\_\_\_\_\_\_\_\_ Section: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Date: \_\_\_\_\_\_\_\_\_\_\_\_\_\_ **Read the questions carefully. Follow the instructions for each part.**...

**LONG TEST \#1** Science 7 Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score: \_\_\_\_\_\_\_\_\_\_\_\_\_ Section: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Date: \_\_\_\_\_\_\_\_\_\_\_\_\_\_ **Read the questions carefully. Follow the instructions for each part.** **Part A.** Multiple Choice Questions Write the letter of the best answer in the space provided. CAPITAL letters only. 1. Which of the following pairs shows the appropriate laboratory glassware and standard unit of measurement? +-----------------------------------+-----------------------------------+ | C. thermometer -- ounces | D. Erlenmeyer flask -- liter | +===================================+===================================+ | A. spring balance -- grams | B. graduated cylinder - liter | +-----------------------------------+-----------------------------------+ 2. Which of the following refers to the skill of forecasting a future event or outcome based on current or past data and known patterns? +-----------------------------------+-----------------------------------+ | C. measuring | D. predicting | +===================================+===================================+ | A. inferring | B. assuming | +-----------------------------------+-----------------------------------+ 3. The steps in the scientific method are listed below, which are arranged in correct order? i. Observation ii. Drawing Conclusion iii. Organizing and analyzing data iv. Testing the hypothesis +-----------------------------------+-----------------------------------+ | C. i,ii,iii,iv | D. ii,iii,iv,i | +===================================+===================================+ | A. i,iv,iii,ii | B. i,iii,iv,ii | +-----------------------------------+-----------------------------------+ 4. Why is it important to indicate the specific unit of a measurement? +-----------------------------------------------------------------------+ | A. The unit makes a measurement more appealing to the eyes. | | | | B. The unit indicates the scale of reference of the quantity | | expressed. | | | | C. The unit defines accuracy of the measurement. | | | | D. The unit symbolizes the precision of the measurement | +-----------------------------------------------------------------------+ 5. To avoid parallax error, a scientist must observe the liquid of a glassware at the point below where the liquid bends. What do we call this point? +-----------------------------------+-----------------------------------+ | C. bend | D. absorption | +===================================+===================================+ | A. meniscus | B. adhesion | +-----------------------------------+-----------------------------------+ 6. Which of the following is best represented by a physical model. +-----------------------------------+-----------------------------------+ | C. parts and composition of a | D. the metabolic process of an | | plant cell | animal | +===================================+===================================+ | A. duration of an experiment | B. steps of the scientific | | | method | +-----------------------------------+-----------------------------------+ 7. From the statements shown, which of the following is an example of an observation? +-----------------------------------------------------------------------+ | A. Miguel looks sleepy. | | | | B. Miguel adds a teaspoon of white substance from a glass jar to his | | black coffee. The drink becomes salty. | | | | C. Someone probably watered the lawn because it is wet | | | | D. There are firetrucks nearby. Therefore, there is a fire nearby | +-----------------------------------------------------------------------+ 8. The International System of Units is based on what system of unit? +-----------------------------------+-----------------------------------+ | C. Metric System | D. English-Imperial System | +===================================+===================================+ | A. English System | B. Arabic System | +-----------------------------------+-----------------------------------+ 9. What is the SI unit for temperature? +-----------------------------------+-----------------------------------+ | C. Kelvin | D. Barr | +===================================+===================================+ | A. Celsius | B. Fahrenheit | +-----------------------------------+-----------------------------------+ 10. What is the name of the Greek philosopher who coined the term "*atomos*," meaning indivisible? +-----------------------------------+-----------------------------------+ | C. Democritus | D. Pythagoras | +===================================+===================================+ | A. Aristotle | B. Plato | +-----------------------------------+-----------------------------------+ **Part B.** Modified Identification Complete the table below. Phase of Matter Solid 11\. \_\_\_\_\_\_\_\_\_\_\_\_\_ 12\. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ ----------------- ----------------------------------------- ------------------------------------ ------------------------------------------- Model  13\. \_\_\_\_\_\_\_\_\_\_\_\_\_ Properties 14\. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ follows the shape of its container 15\. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Laboratory Equipment Illustration Application ---------------------- ------------------------ -------------------------------------------------------------------- 16  holding substances or liquids that are being melted or evaporated. 17 mixing liquids, or solids and liquids 18  23 19 24 20  25 Graduated Cylinder 21 measuring liquid samples Beaker 22 storing liquid samples **Part D.** Matching Type Match each scientist from Column A with their model of the atom in Column B, and the name of the model in Column C. +-----------------------+-----------------------+-----------------------+ | A | B | C | +=======================+=======================+=======================+ | John Dalton | A. | I. Plum pudding | | | | model | | 26-27. | | | | \_\_\_\_\_\_\_\_\_\_\ | | | | _\_\_\_ | | | +-----------------------+-----------------------+-----------------------+ | J. J. Thomson | B.  | | | 28-29. | | | | \_\_\_\_\_\_\_\_\_\_\ | | | | _\_\_\_ | | | +-----------------------+-----------------------+-----------------------+ | Ernest Rutherford | C. | III. Nuclear Model | | | | | | 30-31. | | | | \_\_\_\_\_\_\_\_\_\_\ | | | | _\_\_\_ | | | +-----------------------+-----------------------+-----------------------+ | Niels Bohr | D.  | Model | | 32-33. | | | | \_\_\_\_\_\_\_\_\_\_\ | | | | _\_\_\_ | | | +-----------------------+-----------------------+-----------------------+ | Erwin Schrödinger | E. | V. Planetary Model | | | | | | 34-35. | | | | \_\_\_\_\_\_\_\_\_\_\ | | | | _\_\_\_\_\_\_ | | | +-----------------------+-----------------------+-----------------------+ **Part E.** Demonstration of Laboratory Techniques and Knowledge Demonstrate the laboratory technique in the scenario provided. 36-40. Criteria 2 1 ------------------------------ -------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- Laboratory Technique The student was able to show proper laboratory technique and was able to complete the activity The student failed to show proper laboratory technique but was able to finish the activity Laboratory Safety The student was wearing complete personal protective equipment during the demonstration. Student follows the laboratory safety guidelines. The student was not wearing personal protective equipment and failed to follow the laboratory safety guideline Cleanliness and Organization The student was able to clean up, and workspace was organized during demonstration You will be transferring water from a beaker to a graduated cylinder, and water from the beaker to an evaporating dish using a pipette. Follow the steps carefully. 1. Fill a 100-mL beaker with water. 2. Using the water from the beaker, measure 20 mL of water using a graduated cylinder. 3. Using the water from the beaker, measure 10 mL of water using a pipette.