Unit 1: The Ethics of Science

1. The safety symbol used to indicate a toxic substance.

A) Lab rat
B) Skull and cross bone
C) Fumes from a beaker
D) Broken flask

2. The safety symbol used to indicate a sharp object

A) A hand with a cut on the finger.
B) A pair of scalpels.
C) All

3. The safety symbol used to indicate caution when working with open flames and secure any loose hair or clothing.

A) Flames
B) Goggles
C) Apron
D) Frog

4. What safety symbol is used to indicate caution to protect your from electrical shock.

A) An electrical cord with lightening bolts
B) A Skull and Cross-bones
C) A broken flask
D) A lab rat

5. You can perform an experiment on your own:

A) Whenever you want to
B) Never
C) When you are sure it is safe to do so
D) Only with permission from the teacher

6. You may eat in the science lab:

A) Never
B) When you are sure it is safe to do so
C) When the experiment smells delicious
D) When your stomach is growling

7. Keeping the work area neat and clean is important because:

A) The teacher is a neat freak
B) You won't lose your supplies in the clutter
C) It keeps the room from looking messy
D) It help prevent accidents

8. Goggles must be worn when using

A) Chemicals
B) Sharp instruments
C) Fire
D) All

9. You must tie back long hair and baggy clothes when:

A) Working with lab animals
B) All
C) Working with chemicals
D) Using Fire

10. Which of the following is NOT a safe lab procedure?

A) Asking permission to leave your seat
B) Listening carefully to instructions
C) Running through the lab with a beaker in your hand
D) Wearing gloves and goggles when instructed

11. What should you do if a glass breakage occurs?

A) Clean it up quickly before anyone notices
B) Immediately contact your teacher
C) Sweep it under your lab table
D) Just leave it

12. When you need to use your sense of smell to make an observation you should

A) Carefully smell the substance
B) Take a good sniff
C) Stick your nose over the substance and take a small sniff
D) Waft the substance

13. A ______________ is a tool used to measure the volume of a liquid.

A) Triple-Beam Balance
B) Graduated Cylinder
C) Florence-Boiling Flask
D) Beaker

14. A ____________ is a tool used in science to magnify small objects and microscopic objects.

A) Test Tube
B) Microscope
C) Triple-Beam Balance
D) Graduated Cylinder

15. A _____________ is a tool used to heat substance in.

A) Triple-Beam Balance
B) Florence-Boiling Flask
C) Graduated Cylinder

16. A __________ is an instrument used to pick up test tubes.

A) Test tube holder
B) Tweezers
C) Plastic gloves

17. A _________ is the tool used to measure the mass of an object.

A) Florence-Boiling Flask
B) Test tube Rack
C) Beaker
D) Triple-Beam Balance

18. Another name for the metric system.

A) SI
B) SM
C) MS
D) MGL

19. Unit used to measure long distances.

A) Kiloliters
B) Kilometers
C) Kilograms

20. Unit used to measure short distances.

A) Centimeters
B) Centiliters
C) Hectometers

21. 2000 mg=_____ g

A) 20g
B) 2g
C) 200g

22. 15 cm=_____mm

A) 1500mm
B) .15mm
C) 150mm

23. 5L=_______mL

A) 50mL
B) 5000mL
C) 500mL

24. Basic metric unit for measuring mass.

A) Pounds
B) Liters
C) Grams
D) Meters

25. Basic metric unit for measuring volume.

A) Grams
B) Liters
C) Ounces
D) Meters

26. Basic metric unit for measuring length.

A) Meters
B) Grams
C) Inches
D) Liters

27. When you are _____________, you use your senses to learn about your surroundings.

A) Observing
B) Measuring
C) Classifying
D) Communicating

28. ___________ is the sorting or ordering of objects.

A) Classifying
B) Observing
C) Measuring
D) Communicating

29. ___________ is the act of sharing your ideas with someone else.

A) Measuring
B) Observing
C) Communicating
D) Classifying

30. The ________ _______ is a systematic approach to investigating a natural occurrence.

A) Metric System
B) Scientific Method
C) Process Skill

31. The steps in the scientific method are:

A) Purpose/Question-Research-Hypothesis-Experiment-Collect and Analyze Data-Conclusion-Communicate Results
B) Purpose-Hypothesis-Experiment-Conclusion
C) Hypothesis-Experiment-Conclusion
D) Observation-Experiment-Conclusion

32. The ________ variable in an investigation is the variable that is manipulated or changed by the experimenter.

A) Independent
B) Control
C) Dependent

33. The ________ variable is the variable that make change due to the other variable being changed.

A) Control
B) Dependent
C) Independent

34. True or False: It is OK to do your own experiment, as long as you do not get hurt.

A) True
B) False

35. True or False: Safety is everyone's concern.

A) False
B) True

36. True or False: You may decide not to wear safety goggles if they hurt your face.

A) False
B) True

37. True or False: You do not need to report small accidents to the teacher.

A) False
B) True

38. True or False: Horseplay is never allowed in a lab.

A) False
B) True

39. True or False: The use of the scientific method is just for science, and does not apply to other areas of life.

A) False
B) True

40. Mechelle saw Lauren and Kie'Asia in Pizza Hut, eating a mushroom pizza. Mechelle can make the Following INFERENCE

A) Lauren and Kie'Asia are at Pizza Hut
B) Lauren is eating pizza with Kie'Asia
C) Lauren and Kei'Asia's favorite pizza is Mushroom
D) Lauren and Kie'Asia are eating a mushroom pizza

41. Khialiq is doing an experiment to answer the question 'which boils faster, salt water or tap water?". Which hypothesis best matches his question?

A) If I boil salt water and tap water in separate containers, the salt water will boil fastest.
B) Yes, salt water boils more quickly.
C) Salt water is usually warmer than tap water.
D) Yes

42. SpongeBob noticed that his favorite pants were not as clean as they used to be. His friend Sandy told him that he should try using clean-O detergent, a new brand of laundry soap she found at Sail-Mart. SpongeBob made sure to wash one pair of pants in plain water and another pair in water with the Clean-O detergent. After washing both pairs of pants a total of 3 times, the pants washed in the Clean-O detergent did not appear to be any cleaner than the pants washed in plain water. What was the problem SpongeBob wanted to investigate?

A) SpongeBob's Water
B) SpongeBob's feeling for Sandy
C) SpongeBob's pants were not clean.

43. Use SpongeBob Clean Pants Experiment to answer the following question: What is the independent variable?

A) How clean his pants would get.
B) SpongeBob needs to buy new pants
C) Laundry Soap

44. Use SpongeBob Clean Pants Experiment: what is the dependent variable?

A) Laundry Soap
B) SpongeBob's feelings for Sandy
C) How clean pants would get.

45. Use SpongeBob Clean Pants Experiment: What should SpongeBob's conclusion be?

A) Clean-O detergent does not appear to be effective
B) Detergent O laundry soap is effective and he should stock-up.
C) He should buy new pants.

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