2. Chemical Reactions and equations AstronomyChemistryPhysics 500 400 300 100 200 100 200 100 200 100 200 100 200 100 200 100 200 100 200 Original version by Shotwell Middle School

3. Chemistry 100 What type of charge does a proton have? Answer = positive

4. Chemistry 200 What is the name of the horizontal rows in the periodic table ? Answer = periods

5. Chemistry 300 An atom has 5 protons, 6 neutrons and 5 electrons, what is the mass of the atom? Answer = 11

6. Chemistry 400 In a chemical reaction, what do we know about the mass of the products compared to the mass of the reactants? Answer = They are equal

7. Chemistry 500 What would happen to the charge of an atom if extra electrons were added to the atom? Answer = It would have a Negative charge

8. Chemistry 100 What type of charge does a neutron have? Answer = No Charge

9. Chemistry 200 Name an element that has chemical properties that are similar to Sodium. Answer = Hydrogen, Lithium, Potassium, Rubidium, Cesium or Francium

10. Chemistry 300 What kind of charge does an atom that has the 5 protons, 6 neutrons and 5 electrons? Answer = What is the atomic number?

11. Chemistry 400 Where on the periodic table are the most reactive elements? Answer = In Group 1, all the way to the left

12. Chemistry 500 Answer = Protons What part of the atom is responsible for identifying the element?

13. Physics 100 Distance divided by time = ? Distance divided by time = ? Answer = Speed

14. Physics 200 Speed in a direction is called __________? Answer = Velocity

15. Physics 300 5 mph North is an example of Answer = Velocity

16. Physics 400 Daily Double Newtons first law of motion states an object at rest will stay at rest and an object in motion will stay in motion unless they are acted on by an unbalanced force. What is another name for this law? Answer = Law of Inertia or the Seatbelt Law

17. Physics 500 What law states that the net force on an object is equal to the mass of the object multiplied by its acceleration? Answer = Newton’s 2 nd Law of Motion?

18. Physics 100 A change in speed or direction is called Answer = Acceleration

19. Physics 200 Which law of motion is also known as the law of action/reaction? Which law of motion is also known as the law of action/reaction? Answer = Newton’s 3 rd Law

20. Physics 300 A car is traveling 5 mph and is hit from behind by a truck. After the hit the car is traveling at 10 mph. Which law of motion is being illustrated by this example? Answer = The Law of Force and Acceleration

21. Physics 400 Answer = 45 mph to the right A car is at rest, 3 seconds later the car is traveling at 45 mph to the right. What is the final velocity of the car?

22. Physics 500 Answer = 15 mph/s A car is at rest, 3 seconds later the car is traveling 45 mph to the right. What is the acceleration of the car?

23. Astronomy 100 On May 1 st, you observe the moon is at Full Moon, What will the moon phase be on May 8 th ? Answer = Third Quarter or Last Quarter

24. Astronomy 200 What moon phases will cause the spring tides? Answer = New Moon and Full Moon

25. Astronomy 300 300 Which type of wave from the Electromagnetic Spectrum has the highest frequency? Answer = Gamma Rays

26. Astronomy 400 l Worth 3 TIMES the Value Answer = We view the moon at different angles throughout the month Answer = Why does the moon appear to change shapes?

27. Astronomy 500 The diagram shows the orbit of the moon around Earth. Between which two points will the moon appear to change from a new moon to a quarter moon? Answer = What is T and Q?

28. Astronomy 100 The most common chemical element in a star is Answer = What is hydrogen?

29. Astronomy 200 The theory that states the universe was formed by an enormous explosion about 10 to 15 billion years ago is the Answer = What is the big bang

30. Astronomy 300 What causes Earth’s seasons? Answer = What is the tilt of the Earth on its axis and its revolution around the sun

31. Astronomy 400 Answer = Waning Crescent The diagram above represents the phases of the moon. Position 1 represents the new moon. Positions 2 through 8 represent the phases of the moon that follow. Which phase does position 8 represent?

32. Astronomy 500 lWlWorth 4 TIMES the Value The three main categories of galaxies Answer = What are spiral, elliptical, & irregular

33. How would you describe HCl, an element, a compound or a mixture? Answer = Compound Chemical Reactions and Equations 100

34. Chemical Reactions and Equations 200 How would you classify Zn, an element, a compound or a mixture? Answer = Element

35. Answer = D Chemical Reactions and Equations 300

36. Chemical Reactions and Equations 400 A student pours two solutions together and a solid forms. What is this solid called? Answer = Precipitate

37. Chemical Reactions and Equations 500 Answer = Compound Table Salt, NaCl is an example of a

38. Chemical Reactions and Equations 100 True or False, When a liquid and a solid are mixed and produce a gas, a chemical reaction has occurred. Answer = True

39. Chemical Reactions and Equations 200 Which of the following is an example of a physical change? Paper burning Metal rusting Gas production Boiling water Answer = Boiling Water

40. Chemical Reactions and Equations 300 Answer = ZnCl 2 and H 2 A student carefully places a piece of Zinc into a beaker of Hydrochloric Acid. Bubbles of gas are released. The equation is expressed as Zn + HCl  ZnCl 2 + H 2 What were the products of the reaction?

41. Chemical Reactions and Equations 400 A student carefully places a piece of Zinc into a beaker of Hydrochloric Acid. Bubbles of gas are released. The equation is expressed as Zn + HCl  ZnCl 2 + H 2 What was the proof that a chemical reaction had occurred? Answer = Gas Produced

42. Chemical Reactions and Equations 500 Answer = Study and do Stemscopes! What do you need to do to pass this test?