2. Laboratory & Chemical Safety Science – A Way Of Thinking Measurement Classification Of Matter Atomic Structure 10 20 30 40 50 40 30 20 10 50 40 30 20 10 50 40 30 20 10 50 40 30 20 10

3. A Way Of Thinking – 10 Points QUESTION: This is the statement that scientists use to clearly share what they expect to find out during their experiment. ANSWER: (What is a hypothesis?)

4. A Way Of Thinking – 20 Points QUESTION: This is the traditional model of how to conduct scientific inquiry. ANSWER: (What is the scientific method?)

5. A Way Of Thinking – 30 Points QUESTION: The variable you are going to change in the experiment. ANSWER: (What is the independent variable?)

6. A Way Of Thinking – 40 Points QUESTION: This does not change throughout the experiment. ANSWER: (What is a control?)

7. A Way Of Thinking – 50 Points QUESTION: A description of a natural event or thing shown to occur again and again under certain conditions. ANSWER: (What is a law?)

8. Measurement– 10 Points QUESTION: The measure of the amount of matter in an object. ANSWER: (What is mass?)

9. Measurement– 20 Points QUESTION: The method scientists use to write very large and very small numbers. ANSWER: (What is scientific notation?)

10. Measurement– 30 Points QUESTION: The metric scale for absolute temperature. ANSWER: (What is Kelvin?)

11. Measurement– 40 Points QUESTION: Type your question in here relating to Topic 2. As the Points get higher make questions harder. ANSWER: (type answer here)

12. Measurement– 50 Points QUESTION: This is the prefix for a base unit (i.e. meter) with a numerical value of 10 9 (1,000,000,000). ANSWER: (What is giga-?)

13. Classification Of Matter – 10 Points QUESTION: Two or more substances that are combined physically. ANSWER: (What is a mixture?)

14. Classification Of Matter – 20 Points QUESTION: This has a definite volume but not definite shape. ANSWER: (What is liquid?)

15. Classification Of Matter – 30 Points QUESTION: The movement of particles from an area of high concentration to an area of low concentration. ANSWER: (What is diffusion?)

16. Classification Of Matter – 40 Points QUESTION: A change of state from a gas to a liquid. ANSWER: (What is condensation?)

17. Classification Of Matter – 50 Points QUESTION: This is the mass of one molecule of a substance. ANSWER: (What is molar mass?)

18. Atomic Structure – 10 Points QUESTION: The number of protons in an atom’s nucleus. ANSWER: (What is the atomic number?)

19. Atomic Structure – 20 Points QUESTION: These two particles make up the nucleus of an atom. ANSWER: (What are protons and neutrons?)

20. Atomic Structure – 30 Points QUESTION: Protons, neutrons, and electrons have these kind of charges. ANSWER: (What is positive (+), neutral, and negative (-)?)

21. Atomic Structure – 40 Points QUESTION: When an atom loses electrons, the atom becomes positively charged. This atom is now a positively-charged ion. ANSWER: (What are cations?)

22. Atomic Structure – 50 Points QUESTION: The Danish scientist that suggested that the outer orbits determined the atom’s chemical properties as well as had a “model” named after him. ANSWER: (Who is Niels Bohr?)

23. Laboratory & Chemical Safety – 10 Points QUESTION: The first place to look for chemical safety information. ANSWER: (What is the label of the container?)

24. Laboratory & Chemical Safety – 20 Points QUESTION: This is the range for hazard ratings. ANSWER: (What is 0 to 4?)

25. Laboratory & Chemical Safety – 30 Points QUESTION: Gives workers and emergency personnel information about the proper way to handle or work with a certain substance. ANSWER: (What is the Material Safety Data Sheet (MSDS)?)

26. Laboratory & Chemical Safety – 40 Points QUESTION: Indicates the likelihood of the substance to vaporize, ignite, and burn. ANSWER: (What is flammability?)

27. Laboratory & Chemical Safety – 50 Points QUESTION: Indicates the likelihood of the substance to release energy by chemical or explosion. ANSWER: (What is reactivity?)