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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. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
Refractive index
Mohs' scale of hardness
Density
2. Made by combining two or more different materials without a chemical reaction occurring (the objects do not bond together) - They are the product of a mechanical blending or mixing of chemical substances - Either homogeneous or heterogeneous
Rebound hardness
Mixture
Density
Materials with high conductivity
3. Temperature scale -0
Celsius (
Optics
Renewable energy
Mohs' scale of hardness
4. Results when electrical charges buildup or increase on the surface of a material - here - there is no current flowing as would be found in electrical outlets - When certain materials are rubbed together - electrons can move from one object to the oth
Lever
Motion
Materials with high conductivity
Static electricity
5. 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)
Compounds
Pulley/block
Physical properties
Test experiment - Step 2 - Set up the procedure
6. 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
Nuclear energy
117
Temperature conversions
Weight
7. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear fission
Screw
Draw conclusion
Chemical changes
8. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Renewable energy
Carbon
Static electricity
Draw conclusion
9. 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)
chemical symbol
The six classical simple machines
Fahrenheit (
10. 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
Liquids
Wheel and axle
The six classical simple machines
Gravity
11. Solids - liquids - and gases
Three states of matter
Ballast
Wedge
Fahrenheit (
12. 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
Atomic number
magnetic field
pressure and temperature
pH
13. These are the factors that are kept exactly the same in an experiment. In an experiment on plant growth - the variables could include amount of sunlight - type of soil - amount of water - and type of plant. Only one factor at a time is changed - whil
Ballast
Velocity
Variables that are controlled
Iron
14. The top of a wave's 'hill'
Crest
positive
magnetic field
Light
15. For every action (applied force) - there is an equal and opposite reaction
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16. 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
Test experiment - Step 2 - Set up the procedure
Carbon
Electrons
Motion
17. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Matter
Light
Oxygen
Electric current
18. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Renewable energy
groups or families
Variables that are controlled
number of protons
19. 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
Wedge
Scratch hardness
Variables that are controlled
Mass
20. Some gases can transition directly to a solid Example: the formation of frost
proportional to its mass
Deposition
Mechanical advantage
Electric current
21. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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22. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Refraction
Violet
pH indicator
Non - metals in the periodic table
23. If the pressure increases - the volume decreases; the reverse is true as well
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24. 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
Efficiently
Boyle's Law
intermediate
Light
25. The burning of coal also contributes to the formation of...
Acid rain
Motion
Atomic number
Nuclear fission
26. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Rebound hardness
Metals in the periodic table
Liquids
equally
27. 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
Motion
Ballast
contrasted
First - class lever
28. 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)
Wavelength
groups or families
Materials with poor conductivity
Crest
29. 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
Nuclear energy
Test experiment - Step 2 - Set up the procedure
Three states of matter
Non - metals in the periodic table
30. 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
Sublimination
Refraction
Physical properties
Compounds
31. 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
Wheel and axle
Heat conduction/Thermal conduction
Second - class lever
nucleus
32. Some of the light is reflected - the angle of reflection being equal to the...
Weight
Angle of incidence
Litmus
freezing point
33. 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
Acceleration
Heat conduction/Thermal conduction
Fahrenheit (
Simple machine
34. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Energy
Test experiment - Step 3
Static electricity
Motion
35. 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
Convection
Chemical elements
117
Kinetic and potential energy
36. A compressed gas pushes out __________ in all directions
Incandescent light bulb
equally
Simple machine
Liquids
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
Rainbow
Dependent variable (responding variable)
Angle of incidence
average atomic mass
38. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Helium
Nonrenewable energy
Fahrenheit (
Independent variable (manipulated variable)
39. Involve one substance changing states (not one substance changing into another) - Typically reversible Example: water - Can change from a gas (water vapor) to a liquid (water) to a solid (ice) - but the water molecules do not change
Physical changes
chemical symbol
Nuclear fusion
Wheel and axle
40. Temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686-1736) - who proposed it in 1724 - On this scale - the freezing point of water is 32
Solids
Newton's third law of motion
Gases
Fahrenheit (
41. 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
Screw
Solution
Wheel and axle
chemical symbol
42. 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
The periodic table of the elements
Newton's first law of motion
Materials with poor conductivity
Physical sciences
43. 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
First - class lever
Electric circuit
Density
Gravitation
44. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
Independent variable (manipulated variable)
Angle of refraction
Water
Non - metals in the periodic table
45. 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
pH indicator
Test experiment - Step 1 - Select the materials
Crest
Refractive index
46. Salt has a ___________ than water and therefore doesn't evaporate with the water
The six classical simple machines
nucleus
Higher boiling point
Hardness
47. 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
Solids
Water
Gravitation
Nuclear fission
48. 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
Dependent variable (responding variable)
Second - class lever
Amplitude
Electrons
49. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Nuclear energy
Test experiment - Step 2 - Set up the procedure
Inclined plane
Chemical elements
50. 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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