Download Semester Exam Review

Semester Exam Review
1. Sound is caused by?
2. Infrasound could be used to clean glassware. (T/F) Explain.
3. The bowl of a kettledrum that amplifies sound is called an?
4. Loudness is determined by the _________ of sound.
5. As you move away from a warning siren, the pitch ________.
6. Multiples of the fundamental frequency are called _________.
7. Music is a sound with or without a set pattern?
8. What kind of waves are used to study body organs?
9. When light strikes a ________ material, most of the light is absorbed or reflected.
10. Light reflected from a mirror makes a ________ reflection.
11. When light passes from one medium to another medium in which it travels _______,
the light is bent away from the normal.
12. In the visible spectrum, ____________ is the shortest wavelength and ___________
is the longest.
13. __________ light is produced by heat.
14. Mixing red, green, and blue light produces _________ _________.
15. _______ lights produce light through collusions of gas and electrons.
16. ________ lights are very efficient.
17. ________ filters are used to block glare.
18. Lasers produce _________ light.
19. ___________ _______ store information through millions of tiny pits.
20. Almost all of the light that strikes a mirror is _________ by the mirror.
21. The angle at which light leaves a surface is called the angle of __________.
22. If white light passes through a red filter, all of the red wavelengths are _________.
23. To make _______ paint, blue and yellow pigments are blended.
24. A testable prediction is a _________.
25. When designing an experiment, the first step is to _________.
26. A standard for comparison that helps to ensure that the experimental result is caused
by the condition being tested is the ___________.
27. A factor that changes in an experiment from manipulation of the independent variable
is the ___________.
28. A factor that does not change in an experiment is the _________.
29. An organized process used to gather observations and test a hypothesis is an _______.
30. A statement that describes what happens in nature is a __________.
31. An explanation of an event that is based on repeated observations and experiments is
a _________.
32. An idea, event, or object that can be used to represent something you are trying to
explain is a __________.
33. The lightbulb is an example of __________.
34. In an experiment to determine if the popping of popcorn is affected by the
temperature at which it is stored, counting the popped kernels is an example of an
_________.
35. A measurement standard is defined as __________.
36. A beaker contains 0.34 L of water. The beaker’s volume is ______ milliliters.
37. The correct symbol for the SI unit of temperature is ______.
38. In a graph, the variable on the horizontal axis is the ______.
39. The type of graph that would be used to show how some fixed quantity is broken
down into parts is a _________.
40. In a graph showing how the temperature of a material changes over time, temperature
change is the __________.
41. A unit of measurement that is obtained by combining other units is a _______ unit.
42. The most correct way to express density is _________.
43. Three ways to express volume are _________, __________, and __________.
44. Tracing paper is opaque, transparent, translucent, or reflective?
45. Plastic wrap is opaque, transparent, translucent, or reflective?
46. The primary colors of pigment are?
47. Explain how light reacts when you look in a mirror.
48. What color is produced by blending the primary pigments?
49. Fluorescent light bulbs _________ than incandescent lights.
50. If light waves change speed when they pass from one medium into another, the light
will be _________.
51. What kind of materials cause diffuse reflections?
52. A blue shirt looks blue in white light because __________ is reflected from the shirt.
53. A blue shirt looks _______ in red light.
54. Incandescent lights have a filament usually made of _________.
55. _________ are typically filled with argon.
56. Different colors of neon lights are created by adding ________ to the tube.
57. Lasers are used in all of the following EXCEPT ________. (surgical tools, cutting
and welding, CD players, radios.)
58. Two polarizing filters overlapped at right angles _________.
59. What equipment uses a lens and two mirrors?
60. A flashlight uses a ______ mirror to create a beam of light.
61. Light rays refracted by a concave lens _________.
62. What piece of equipment has an objective lens?
63. Reflecting telescopes use two ______ to create a real image, which is then magnified
by a concave lens.
64. A microscope uses _______ to magnify small, nearby objects.
65. _______ are thick in the middle and thin at the edges.
66. The image formed by a plane mirror is _________.
67. A _______ lens has a short focal length, produces a small image, and includes much
of its surroundings.
68. A camera’s lens focuses an image on the _______.
69. Plane mirrors reflect light to form ________ images.
70. Can a real image be projected onto a screen?
71. Light is refracted and spread out by a ________.
72. Electrical power for the Hubble Space Telescope is provided by _______.
73. A farsighted eye focuses an image _________.
74. When a compressional wave travels through a medium, which way does matter in the
medium move?
75. What is the highest point of a transverse wave?
76. A circuit that has two or more separate branches for a current is a ______?
77. The statement, current is equal to the voltage difference divided by the resistance, is
known as _________.
78. A static discharge differs from an electric current in that a static discharge _____.
79. Electric charge that has accumulated on an object is referred to as ________.
80. Resistance is measured in a unit called the _________.
81. The rate at which an electrical device converts energy from one form to another is
called ________.
82. A path that allows only one route for a current is called a _______.
83. What is the correct relationship among power, current, and voltage?
84. A dry cell is a source of _________ electric current.
85. A material through which electrons do not move easily is an _________.
86. What is lightening?
87. The voltage _______ as current moves through a circuit.
88. What device is is designed to open an overloaded circuit and prevent overheating?