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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. Solids - liquids - and gases
Nuclear fusion
Measurement
Three states of matter
Metals in the periodic table
2. 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
Litmus
Nonrenewable energy
Renewable energy
Crest
3. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
pH
Physical sciences
Materials with high conductivity
Matter
4. 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)
Chemical reactions
Litmus
Test experiment - Step 2 - Set up the procedure
Heat conduction/Thermal conduction
5. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Chemical reactions
The periodic table of the elements
Three principal operational definitions of hardness
Energy
6. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
number of protons
Kinetic and potential energy
Compounds
Variables that are controlled
7. 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
Gases
Refractive index
Physical changes
Optics
8. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
Wavelength
freezing point
Charles's Law
Transfer of heat
9. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Solution
Reflection
Law of conservation of energy
freezing point
10. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
equally
Ballast
Temperature conversions
Higher boiling point
11. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Transfer of heat
Forms of energy
Law of reflection
Pulley/block
12. 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
Materials with poor conductivity
Sublimination
Test experiment - Step 2 - Set up the procedure
117
13. A difference between two temperatures or an uncertainty
positive
Velocity
Ratio of the length of its slope to its width
Interval
14. For every action (applied force) - there is an equal and opposite reaction
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15. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
Reflection
nucleus
south pole
Materials with poor conductivity
16. For a homogeneous object - density is determined by dividing the mass by the volume (D = M/V) The mass is normally measured with an appropriate scale or balance - The volume may be measured directly (from the geometry of the object) or by the displac
Screw
Density
Law of reflection
Sublimination
17. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Electric current
Nuclear fission
Matter
Mohs' scale of hardness
18. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Indentation hardness
Inclined plane
Helium
presence
19. A compressed gas pushes out __________ in all directions
equally
Develop a hypothesis
Nonrenewable energy
Carbon
20. 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
Third - class lever
Compounds
Boyle's Law
Rainbow
21. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Independent variable (manipulated variable)
Kinetic and potential energy
Indentation hardness
freezing point
22. If the pressure increases - the volume decreases; the reverse is true as well
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23. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Iron
Thermal energy
proportional to its mass
Velocity
24. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Angle of refraction
Refractive index
Carbon
Hardness
25. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Newton's second law of motion
Mass
Lever
Materials with poor conductivity
26. Protons have a __________ electrical charge - and neutrons have no charge
positive
Test experiment - Step 3
Nuclear fission
Chemical reactions
27. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Hydrogen
pH indicator
Physical properties
Gravitation
28. 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
magnetic field
Violet
Independent variable (manipulated variable)
Pulley/block
29. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
Dependent variable (responding variable)
Nuclear fusion
Test experiment - Step 2 - Set up the procedure
30. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
The periodic table of the elements
Physical properties
Mechanical advantage
Test experiment - Step 2 - Set up the procedure
31. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Amplitude
Non - metals in the periodic table
chemical symbol
32. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
Scratch hardness
Uranium
Water
The formation of rust
33. 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
Higher boiling point
Transfer of heat
Independent variable (manipulated variable)
Carbon
34. The branches of natural sciences that study the nature and properties of energy and non - living matter
Chemical elements
Physical sciences
Ballast
groups or families
35. Multiply force but do not change the direction of the input force End: Fulcrum Middle: Output force Other end: Input force Examples: wheelbarrows - baby strollers - bottle openers
Transfer of heat
Gases
Second - class lever
Electric current
36. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Energy
Iron
Kinetic and potential energy
Ballast
37. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Boyle's Law
Law of reflection
Frequency
Third - class lever
38. A compound and portable inclined plane - A triangular - shaped tool used to separate two objects or portions of an object - lift an object - or hold an object in place - It functions by converting a force applied to its blunt end into forces perpendi
Energy
Table salt
Wedge
Physical sciences
39. 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
Distillation
Carbon dioxide and methane
Litmus test
freezing point
40. Characterized by their ability to retain their shape - Relatively incompressible - Melt when heated and vaporize only slightly - All substances become solid if cooled sufficiently Examples: rocks - crystals - wood - feather - ice
Law of reflection
Solids
Physical properties
Non - metals in the periodic table
41. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Chemical reactions
Test experiment - Step 1 - Select the materials
Chemical elements
chemical symbol
42. Form a question (state the problem) - A scientific question is one that can be answered on the basis of evidence and that can be measured - The question often asks - 'What effect will something have
Renewable energy
Angle of incidence
Frequency
Steps in conducting a scientific investigation
43. The top of a wave's 'hill'
Crest
Liquids
Third - class lever
intermediate
44. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Celsius (
The periodic table of the elements
Table salt
Newton's first law of motion
45. 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
Electricity
First - class lever
intermediate
Third - class lever
46. 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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47. The burning of coal also contributes to the formation of...
Deposition
The six classical simple machines
Inclined plane
Acid rain
48. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Water
Angle of incidence
groups or families
The six classical simple machines
49. 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
The six classical simple machines
Second - class lever
Refraction
Ballast
50. Arranges all of the known elements from left to right and top to bottom in order of increasing atomic number - and they generally coincide with their increasing atomic mass
Heat conduction/Thermal conduction
Dependent variable (responding variable)
The periodic table of the elements
Water