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Test your basic knowledge |
CSET Physical Science 3
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Subjects
:
cset
,
science
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
freezing point
Materials with high conductivity
Indentation hardness
pressure and temperature
2. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Indentation hardness
Steps in conducting a scientific investigation
freezing point
Uranium
3. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Rebound hardness
Optics
Law of reflection
contrasted
4. For every action (applied force) - there is an equal and opposite reaction
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5. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Three principal operational definitions of hardness
Renewable energy
Chemical elements
Test experiment - Step 3
6. The ratio of the output to the input force - Also called leverage - Results in less force applied over a greater distance - Helps to make work easier
Mechanical advantage
Boyle's Law
Refractive index
Thermal radiation
7. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Physical properties
Fluorescent lamp/fluorescent tube
Physical changes
Third - class lever
8. Elements with similar properties fall into the same vertical columns on the preriodic table to form _____ - Properties of elements change greatly across any one row (period)
Higher boiling point
Mass
groups or families
Wedge
9. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
The formation of rust
south pole
Law of reflection
Celsius (
10. This is the one factor that will be intentionally changed during the experiment. Examples include changing the amount of salt that is added to water to determine its freezing point; introducing different soil types in germinating seeds; and changing
Motion
The six classical simple machines
Independent variable (manipulated variable)
Mohs' scale of hardness
11. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
proportional to its mass
Iron
Current
Solids
12. Protons have a __________ electrical charge - and neutrons have no charge
positive
Electric circuit
Test experiment - Step 1 - Select the materials
Boyle's Law
13. Salt has a ___________ than water and therefore doesn't evaporate with the water
number of protons
Thermal energy
Newton's first law of motion
Higher boiling point
14. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Nuclear energy
Reflection
Independent variable (manipulated variable)
pressure and temperature
15. Rates minerals and puts them on a scale from 1 to 10 (1 is the softest and 10 is the hardest) determined by the ability of a harder mineral to scratch a softer mineral - Talc is at 1 and diamond is at 10
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16. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
pressure and temperature
Crest
Deposition
Litmus test
17. Energy taken from finite resources that will eventually dwindle - becoming too expensive or too environmentally damaging to retrieve - Fossil fuels include coal - petroleum - and natural gas - Fossil fuels are limited and nonrenewable and contribute
Incandescent light bulb
Thermal radiation
Nonrenewable energy
Refraction
18. Major greenhouse gases
Static electricity
Carbon dioxide and methane
Test experiment - Step 2 - Set up the procedure
Electrons
19. Kinetic energy: energy possessed by a moving object - An object in an unstable position has potential energy - for the position could be converted into movement Example: a baseball thrown vertically upward
Density
Newton's first law of motion
Pitch
Kinetic and potential energy
20. A form of energy that can be used to produce sound - light - heat - and power - it exists where the number of negative electrons does not precisely equal the number of positive protons - Electrons are held in the atom by an electrical force and have
Kinetic and potential energy
Mass
Electricity
Nuclear fission
21. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Optics
Pulley/block
Carbon
Litmus
22. The beginning of scientific wisdom - The physicist's first reaction to a new idea is to ask: Can it be measured? Can I describe it with numbers?
freezing point
Measurement
Inclined plane
Electric circuit
23. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
First - class lever
Independent variable (manipulated variable)
Acceleration
Compounds
24. The path or circuit an electric current flows - Electricity requires a complete path for the electrons to flow - If the path is broken and there are not alternative paths for the electrons to follow - the electrons will not move - make it possible fo
Law of reflection
Hardness
Efficiently
Electric circuit
25. The pitch of a sound depends on how fast the particles of a medium vibrate
Thermal energy
proportional to its mass
Pitch
Simple machine
26. As of 2006 - the table contains _____ chemical elements whose discoveries have been confirmed - 94 are naturally found on the earth - and the rest are synthetic elements that have been produced artificially in particle accelerators
ratio of the length of the sloped surface to the height
Thermal radiation
Acid rain
117
27. Designed to separate substances in a liquid through vaporization - Usually carried out in an apparatus called a still - which requires a boiler - a condenser - and a receiver Example: Purify ocean water
Materials with poor conductivity
The six classical simple machines
Distillation
Wheel and axle
28. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Lever
Mixture
The periodic table of the elements
Forms of energy
29. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Crest
Materials with high conductivity
Violet
Wheel and axle
30. Some gases can transition directly to a solid Example: the formation of frost
Fahrenheit (
Deposition
Amplitude
Distillation
31. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Inclined plane
pH indicator
Motion
pH
32. The terms gravitation and gravity are mostly interchangeable in everyday use - refers specifically to the gravitational force exerted by the earth on objects in its vicinity
The periodic table of the elements
Gravity
Lever
Pitch
33. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear energy
Nuclear fission
Physical properties
Celsius (
34. Height of the bounce of an object dropped o the material - related to elasticity
Rebound hardness
Three states of matter
Angle of incidence
Interval
35. Transition of heat through a medium - From a region of higher temperature to a region of lower temperature - Heat energy is transferred from one material to another by direct contact - Metals are good conductors of heat
magnetic field
Heat conduction/Thermal conduction
Litmus test
Static electricity
36. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
The formation of rust
Materials with high conductivity
Solids
Table salt
37. List the specific materials to be used in the experiment - This allows for replication of the experiment
Velocity
Test experiment - Step 1 - Select the materials
Electricity
Nuclear energy
38. Move around the nucleus in electron clouds - have a negative charge - and they are attracted to the positively charged protons in the nucleus - This attraction keeps the electrons in orbit around the nucleus
Electrons
Liquids
Newton's second law of motion
Nuclear fission
39. The number of protons of that element - No two elements have the same atomic number - Elements in the periodic table are arranged in order of increasing atomic number
Current
Table salt
south pole
Atomic number
40. In each element's square - the ________ is in the middle - the atomic weight is usually directly below the symbol - the atomic number is usually shown at the top of the square
Weight
chemical symbol
Sublimination
Optics
41. The law of inertia - Without outside forces (such as gravity or friction) - an object at rest will remain at rest - while an object in motion will never stop or deviate from its course
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42. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Dependent variable (responding variable)
Liquids
contrasted
Hardness
43. After a rainstorm - the air is full of tiny drops of water - Each drop acts as a prism - splitting the light into the colors of the spectrum
The six classical simple machines
Ratio of the length of its slope to its width
Variables that are controlled
Rainbow
44. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Kinetic and potential energy
Scratch hardness
Sublimination
Mass
45. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Heat conduction/Thermal conduction
magnetic field
Light
Oxygen
46. However - a fluorescent lamp converts electrical power into useful light more __________ than an incandescent lamp; lower energy costs offset the higher initial cost of the lamp
Static electricity
Efficiently
Indentation hardness
positive
47. The burning of coal also contributes to the formation of...
pressure and temperature
The periodic table of the elements
Acid rain
Three principal operational definitions of hardness
48. A grooved wheel with a rope or other item wrapped around it - used to change the direction of an applied force - change the amount of force - transmit rotational motion - or realize a mechanical advantage in either a linear or a rotational system of
Acceleration
Pulley/block
Three principal operational definitions of hardness
Frequency
49. The shortest wavelength; red is the longest
Independent variable (manipulated variable)
Litmus test
Violet
Mixture
50. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Iron
Uranium
The six classical simple machines
Inclined plane
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