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Test your basic knowledge |
CSET Physical Science 3
Start Test
Study First
Subjects
:
cset
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. Scratch hardness - indentation hardness - and rebound hardness
Liquids
Velocity
Three principal operational definitions of hardness
Litmus
2. 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
Simple machine
Mass
Electricity
contrasted
3. For every action (applied force) - there is an equal and opposite reaction
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4. Major greenhouse gases
Lever
presence
Carbon dioxide and methane
Iron
5. Seems to travel in perfectly straight lines as rays - The direction of a ray changes at the interface between two transparent materials - like air and water
Iron
Physical sciences
Gases
Light
6. Account for 17 elements in the periodic table - Lack the properties of metals but are very common - Include oxygen - nitrogen - and carbon - 7 metalloid elements - and 7 gases - Poor conductors of electricity
Non - metals in the periodic table
south pole
Incandescent light bulb
average atomic mass
7. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical properties
Dependent variable (responding variable)
Mechanical advantage
Efficiently
8. 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
Optics
Iron
Heat conduction/Thermal conduction
Draw conclusion
9. Solids - liquids - and gases
Three states of matter
Electricity
Fahrenheit (
Indentation hardness
10. Height of the bounce of an object dropped o the material - related to elasticity
Matter
nucleus
Rebound hardness
presence
11. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Third - class lever
proportional to its mass
Ratio of the length of its slope to its width
Incandescent light bulb
12. The distance between two consecutive points on a wave (crest to crest)
Reflection
Magnetism
Wavelength
nucleus
13. 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)
Gravity
Pulley/block
groups or families
Distillation
14. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Ballast
Heat conduction/Thermal conduction
Transfer of heat
Sublimination
15. A conclusion is a summary and an explanation of the results of an experiment - Does the data support the hypothesis? If not - a new hypothesis can be formed
Liquids
Static electricity
Draw conclusion
Refraction
16. A gas - discharge lamp that uses electricity to excite mercury vapor - The excited mercury atoms produce short - wave ultraviolet light that then causes a phosphor to fluoresce - producing visible light
Fluorescent lamp/fluorescent tube
Nonrenewable energy
Weight
Sublimination
17. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Matter
Boyle's Law
Weight
Angle of refraction
18. 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
Chemical changes
Inclined plane
Fluorescent lamp/fluorescent tube
Efficiently
19. A measure of the acidity or basicity of a solution - The ____ scale is not an absolute scale; it is relative to a set of standard solutions whose pH is established by international agreement - these measurements are important for medicine - biology -
pH
Acid rain
Renewable energy
Litmus test
20. 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
Acceleration
Mass
Iron
Atomic number
21. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
Mohs' scale of hardness
Convection
Hydrogen
The formation of rust
22. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
Chemical elements
Nuclear fusion
Electric circuit
23. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
pressure and temperature
Angle of refraction
Current
Amplitude
24. A source of electric light that works by incandescence - An electric current passes through a thin filament - heating it until it produces light - The enclosing glass bulb prevents the oxygen in the air from reaching the hot filament - which otherwis
Nuclear energy
Incandescent light bulb
Nuclear fusion
Acid rain
25. A first - class lever - In its simplest form it consists of a rod attached to a wheel so that their movements are coupled when one of the parts is turned
Develop a hypothesis
Steps in conducting a scientific investigation
Wheel and axle
Simple machine
26. The number of waves produced in a given time
Frequency
Violet
Hydrogen
Ballast
27. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Refractive index
Frequency
Nonrenewable energy
Develop a hypothesis
28. A temperature interval of one degree F is an interval of 5/9 of a degree C - The Fahrenheit and Celsius scales coincide at -40
Measurement
Temperature conversions
number of protons
Matter
29. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Newton's first law of motion
Table salt
Hardness
Develop a hypothesis
30. 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
Dependent variable (responding variable)
Three principal operational definitions of hardness
Law of conservation of energy
Independent variable (manipulated variable)
31. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Chemical elements
Wavelength
Helium
Electric current
32. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Pulley/block
intermediate
Deposition
Motion
33. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
ratio of the length of the sloped surface to the height
chemical symbol
Liquids
positive
34. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Materials with poor conductivity
Convection
Higher boiling point
Litmus
35. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
pressure and temperature
Litmus test
Fahrenheit (
Carbon dioxide and methane
36. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Rebound hardness
Higher boiling point
Water
Mechanical advantage
37. A compressed gas pushes out __________ in all directions
Steps in conducting a scientific investigation
equally
Nuclear fission
pH indicator
38. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Chemical elements
Motion
Temperature conversions
Physical changes
39. Show the number of molecules or formula units of the reactants and products - Example: nitrous oxide is a colorless - odorless gas that causes mild hysteria when inhaled - hence the name laughing gas; it is prepared by heating ammonium nitrate crysta
nucleus
Chemical reactions
Higher boiling point
Three states of matter
40. A natural phenomenon by which objects with mass attract one another - Compels dispersed matter to coalesce - and thus it accounts for the very existence of the earth - the sun - and most of the macroscopic objects in the universe - Responsible for ke
Gravitation
Refraction
Second - class lever
Test experiment - Step 3
41. Known as insulators - In materials that act as insulators - the electrons are held tightly inside their atoms and the electrons cannot move freely - Include plastic - rubber - glass - air - and wood
Materials with poor conductivity
Indentation hardness
Simple machine
pH indicator
42. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
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43. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Ballast
Measurement
Third - class lever
positive
44. Some gases can transition directly to a solid Example: the formation of frost
Develop a hypothesis
Test experiment - Step 2 - Set up the procedure
Deposition
Law of reflection
45. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Mass
Lever
intermediate
Pitch
46. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
117
Electricity
pressure and temperature
Second - class lever
47. The burning of coal also contributes to the formation of...
Acid rain
Rainbow
Simple machine
Weight
48. Glass has a higher ___________ than air and the different frequencies of light have different wavelengths (dispersion) - causing them to be refracted at different angles - so that you can see them - The different frequencies correspond to different c
nucleus
Electrons
Refractive index
Forms of energy
49. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Reflection
Incandescent light bulb
Rebound hardness
Wedge
50. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Carbon
Newton's third law of motion
Simple machine
Rebound hardness