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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. 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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2. A wave's height - the distance between its resting position and its crest
Hydrogen
Boyle's Law
Electric current
Amplitude
3. 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
Electromagnetic radiation
Motion
Frequency
4. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Develop a hypothesis
Physical properties
Distillation
Refractive index
5. 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
Deposition
Thermal energy
Materials with poor conductivity
Rainbow
6. 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
Gravitation
Wedge
Interval
Screw
7. 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
Current
Screw
Refraction
Energy
8. 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
Dependent variable (responding variable)
First - class lever
Test experiment - Step 2 - Set up the procedure
Newton's first law of motion
9. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Develop a hypothesis
Pitch
Weight
Wavelength
10. 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
Electrons
Hardness
Mohs' scale of hardness
Density
11. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
Mass
south pole
groups or families
Reflection
12. Major greenhouse gases
Mohs' scale of hardness
Carbon dioxide and methane
Refractive index
First - class lever
13. Opposite process of nuclear fission - Yields energy when very light nuclei unite to a heavier nucleus - Stars (including the sun) derive their energy from nuclear fusion
Electric circuit
Density
Nuclear fusion
average atomic mass
14. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
pressure and temperature
Celsius (
Gravity
contrasted
15. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Test experiment - Step 2 - Set up the procedure
Oxygen
Incandescent light bulb
Draw conclusion
16. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
positive
Law of conservation of energy
Angle of refraction
Indentation hardness
17. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Simple machine
Charles's Law
Frequency
Compounds
18. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
The formation of rust
Indentation hardness
Nonrenewable energy
Law of reflection
19. An electric current also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism - Recent work has united these phenomena - as well as light - into electromagnetic radiation
Reflection
Test experiment - Step 1 - Select the materials
Renewable energy
Electromagnetic radiation
20. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Heat conduction/Thermal conduction
Light
Liquids
pressure and temperature
21. When the electrons flow in one direction - the flowing electricity is referred to as current - An electric current is simply a flow of electrons through a wire
pH
Rebound hardness
Mass
Current
22. 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
Electric current
Chemical changes
Incandescent light bulb
Newton's third law of motion
23. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Wheel and axle
Table salt
Iron
Electromagnetic radiation
24. The number of waves produced in a given time
proportional to its mass
Violet
Refraction
Frequency
25. 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)
Chemical elements
magnetic field
groups or families
Simple machine
26. 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
Kinetic and potential energy
Draw conclusion
Screw
The six classical simple machines
27. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Third - class lever
Motion
Table salt
Fluorescent lamp/fluorescent tube
28. Displayed by permanent magnets and around electric currents
Density
Energy
Magnetism
Light
29. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Simple machine
Forms of energy
117
Compounds
30. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Atomic number
Electricity
Mass
Rainbow
31. 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
Amplitude
Electricity
Steps in conducting a scientific investigation
Hardness
32. If the pressure increases - the volume decreases; the reverse is true as well
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33. Makes it possible for some elements and compounds to transition from a solid to gas phase without becoming a liquid Example: a block of dry ice (CO2) - which will turn into a gas at room temperature
Three states of matter
Magnetism
Charles's Law
Sublimination
34. 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
pH indicator
Carbon dioxide and methane
Simple machine
35. 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
contrasted
Physical changes
Interval
Motion
36. 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
Convection
Electricity
Gravity
37. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Static electricity
Energy
Draw conclusion
The formation of rust
38. 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
Develop a hypothesis
Liquids
Frequency
39. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Test experiment - Step 3
Velocity
Distillation
Rainbow
40. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Law of reflection
Renewable energy
ratio of the length of the sloped surface to the height
Lever
41. Obtained by two different means - fission and fusion
Third - class lever
Nuclear energy
Atomic number
Refraction
42. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
Incandescent light bulb
Atomic number
Efficiently
43. 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
proportional to its mass
Electromagnetic radiation
Electric circuit
44. 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
Convection
Newton's third law of motion
Pulley/block
Three states of matter
45. 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
Solution
Sublimination
Variables that are controlled
46. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
pH indicator
Temperature conversions
Violet
Angle of incidence
47. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Nuclear energy
Inclined plane
Electric current
Acid rain
48. The branches of natural sciences that study the nature and properties of energy and non - living matter
Nuclear energy
Physical sciences
Crest
Thermal radiation
49. Energy can be neither created nor destroy
Refractive index
Law of conservation of energy
Indentation hardness
Nuclear energy
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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