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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. Energy can be neither created nor destroy
Renewable energy
Law of conservation of energy
Compounds
Gases
2. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Hydrogen
Electrons
Carbon
Celsius (
3. Heat tends to move from a high - temperature region to a low- temperature region - This heat transfer may occur by the mechanisms of conduction - radiation - and convection
Crest
Convection
Transfer of heat
Materials with high conductivity
4. 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
Nonrenewable energy
Heat conduction/Thermal conduction
Refractive index
Chemical reactions
5. Heat can be converted to motion - and motion can produce heat
Thermal energy
Crest
Refractive index
Mixture
6. Solids - liquids - and gases
Three states of matter
Forms of energy
Carbon
Rebound hardness
7. 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
Oxygen
Celsius (
chemical symbol
Three states of matter
8. Metals account for the vast majority of the elements in the periodic table - Show a wide range of chemical and physical properties - Most metals are good conductors of heat and electricity - and some - like iron and cobalt - are magnetic - Many metal
Metals in the periodic table
groups or families
Efficiently
Ratio of the length of its slope to its width
9. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
ratio of the length of the sloped surface to the height
Crest
Law of reflection
Electric current
10. The top of a wave's 'hill'
contrasted
Crest
pH indicator
Test experiment - Step 2 - Set up the procedure
11. Protons have a __________ electrical charge - and neutrons have no charge
Iron
positive
Independent variable (manipulated variable)
Chemical elements
12. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Reflection
The six classical simple machines
Renewable energy
Oxygen
13. 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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14. The branches of natural sciences that study the nature and properties of energy and non - living matter
Newton's third law of motion
Physical sciences
positive
Chemical elements
15. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Solution
Newton's third law of motion
Incandescent light bulb
Renewable energy
16. When foreign substances are dissolved in water it creates a solution - Solutions with a pH of less than 7.0 are said to be acidic - and solutions with a pH greater than 7.0 are said to be basic or alkaline
Carbon
Solution
Test experiment - Step 1 - Select the materials
117
17. State the specific plan on how to test the hypothesis - Create a written - step - by - step procedure - Determine the variables (any factor that can change in an experiment)
Newton's first law of motion
pH
Test experiment - Step 2 - Set up the procedure
Electrons
18. A change of one substance into a different substance - Occurs whenever compounds are formed or decomposed - During this reaction - there is a rearrangement of atoms that makes or breaks chemical bonds - This change is usually not reversible - unlike
Distillation
Chemical changes
117
Magnetism
19. 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
ratio of the length of the sloped surface to the height
Magnetism
Temperature conversions
Deposition
20. 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
south pole
Optics
Pulley/block
pH indicator
21. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Third - class lever
Light
Forms of energy
Motion
22. 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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23. 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
117
Reflection
Helium
Acid rain
24. Can multiply force or distance depending on the location of the fulcrum End: Output force Middle: Fulcrum Other end: Input force Examples: seesaws - scissors - pliers
First - class lever
Charles's Law
Heat conduction/Thermal conduction
Wavelength
25. 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
number of protons
Light
Rainbow
Nuclear fusion
26. 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
Thermal energy
positive
Non - metals in the periodic table
Chemical changes
27. Transferring of heat by the circulating motion of particles (in liquid or gas) - Occurs when hot air is less dense than cool air and therefore rises - When the heat moves in a circular pattern - convection currents are formed - Heat can be transferre
Energy
Deposition
Nuclear fission
Convection
28. 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
Three principal operational definitions of hardness
chemical symbol
Nuclear fission
29. Scratch hardness - indentation hardness - and rebound hardness
Three principal operational definitions of hardness
Hardness
Angle of refraction
Develop a hypothesis
30. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical properties
Dependent variable (responding variable)
Litmus test
Crest
31. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
groups or families
presence
proportional to its mass
Electric current
32. Transferring of heat by emission and dissemination of waves or particles - Generated when heat from the movement of charged particles within atoms is converted to electromagnetic radiation - Electromagnetic radiation emitted from the surface of an ob
Liquids
Kinetic and potential energy
pressure and temperature
Thermal radiation
33. Major greenhouse gases
Carbon dioxide and methane
Liquids
groups or families
Chemical changes
34. The burning of coal also contributes to the formation of...
Acid rain
Electricity
Dependent variable (responding variable)
nucleus
35. A compressed gas pushes out __________ in all directions
The formation of rust
Chemical changes
Amplitude
equally
36. 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
Chemical changes
south pole
Incandescent light bulb
Law of conservation of energy
37. This is the variable that changes as a result of the manipulated variable. The dependent variable is observed and measured. Examples include determining how long various saltwater solutions take to freeze - and determining the number of cycles a pend
Gravitation
Hardness
Amplitude
Dependent variable (responding variable)
38. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Matter
Current
average atomic mass
Deposition
39. Mechanical advantage of an inclined plane is the ______________ it spans - The inclined plane allows the same work to be done with a smaller force exerted over a greater distance Example: ramp
Mechanical advantage
Nonrenewable energy
Physical sciences
ratio of the length of the sloped surface to the height
40. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Scratch hardness
Atomic number
Motion
Wheel and axle
41. Some of the light is reflected - the angle of reflection being equal to the...
Ratio of the length of its slope to its width
Incandescent light bulb
pH indicator
Angle of incidence
42. The distance between two consecutive points on a wave (crest to crest)
Wavelength
117
pressure and temperature
Weight
43. Other indicators of the ________ of an acid are that when acids react with metals - hydrogen gas is released causing bases to feel soapy when touched
Atomic number
Energy
presence
Boyle's Law
44. A mechanical device that changes the direction or magnitude of a force - The simplest mechanisms that use mechanical advantage to multiply force - Uses a single applied force to do work against a single load force
Non - metals in the periodic table
Ballast
Simple machine
Compounds
45. A wave's height - the distance between its resting position and its crest
nucleus
Mass
Amplitude
intermediate
46. The liquid state is __________ between the solid and gaseous states with regard to molecular motion and attractive forces between molecules Examples: water - oil - milk - honey
Electric circuit
Pitch
intermediate
Law of reflection
47. 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
magnetic field
Litmus
Nonrenewable energy
Chemical reactions
48. Explains why objects appear bent as light passes from one transparent object into another - Light travels at different speeds through different objects (faster through air than through water or glass) - Responsible for rainbows and for the splitting
Liquids
Violet
average atomic mass
Refraction
49. 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
Independent variable (manipulated variable)
Gases
Ratio of the length of its slope to its width
Motion
50. 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?
Interval
Liquids
Temperature conversions
Measurement