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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. 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
Three states of matter
The formation of rust
117
Density
2. 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
Gravity
Chemical reactions
Test experiment - Step 1 - Select the materials
Mass
3. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
pressure and temperature
Law of reflection
Gravitation
Gases
4. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Distillation
Law of reflection
Charles's Law
Three principal operational definitions of hardness
5. 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
Hydrogen
Newton's second law of motion
Liquids
6. 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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7. 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
Velocity
Non - metals in the periodic table
positive
Fluorescent lamp/fluorescent tube
8. The branches of natural sciences that study the nature and properties of energy and non - living matter
Physical properties
Physical sciences
Electrons
Boyle's Law
9. Temperature scale -0
Weight
Celsius (
Boyle's Law
nucleus
10. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Electrons
Three principal operational definitions of hardness
Matter
Thermal energy
11. A wave's height - the distance between its resting position and its crest
Newton's second law of motion
Physical properties
Amplitude
Newton's third law of motion
12. 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
Heat conduction/Thermal conduction
Measurement
Frequency
Third - class lever
13. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Density
The formation of rust
Materials with high conductivity
Electricity
14. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Mechanical advantage
Water
Litmus
Ballast
15. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
contrasted
First - class lever
Nuclear energy
Forms of energy
16. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Mohs' scale of hardness
Steps in conducting a scientific investigation
Sublimination
Hardness
17. Energy can be neither created nor destroy
Nonrenewable energy
Draw conclusion
proportional to its mass
Law of conservation of energy
18. The pitch of a sound depends on how fast the particles of a medium vibrate
Pitch
average atomic mass
Acid rain
Ratio of the length of its slope to its width
19. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Motion
Third - class lever
Chemical elements
Rainbow
20. Protons have a __________ electrical charge - and neutrons have no charge
Electromagnetic radiation
Static electricity
positive
pressure and temperature
21. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Nuclear energy
pH indicator
Static electricity
Motion
22. 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
Pitch
Ballast
Chemical changes
Metals in the periodic table
23. Are inclined planes - Can convert a rotational force (torque) to a linear force - and vice versa - The ratio of threading determines the mechanical advantage of the machine - More threading increases the mechanical advantage
Liquids
Screw
Develop a hypothesis
Wedge
24. 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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25. Solids - liquids - and gases
Physical changes
Three states of matter
Litmus
Renewable energy
26. 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
pH indicator
Density
Table salt
Refraction
27. 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
pH
Renewable energy
Materials with poor conductivity
presence
28. 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
Draw conclusion
Atomic number
Current
Nuclear energy
29. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Kinetic and potential energy
pH indicator
Chemical reactions
Litmus
30. In optics - refraction occurs when light waves travel from a medium with a given refractive index to a medium with another index Example: A ray of light will refract as it enters and leaves glass - assuming there is a change in the refractive index.
Forms of energy
Electric circuit
Test experiment - Step 2 - Set up the procedure
Optics
31. Displayed by permanent magnets and around electric currents
Crest
Magnetism
Physical sciences
magnetic field
32. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
Solids
Hydrogen
number of protons
Gases
33. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
pH indicator
Velocity
Nuclear fission
117
34. 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
The formation of rust
Convection
Develop a hypothesis
Mixture
35. 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
Dependent variable (responding variable)
Physical properties
Measurement
Wedge
36. 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
Static electricity
south pole
Variables that are controlled
Higher boiling point
37. 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
Non - metals in the periodic table
Efficiently
Current
Nonrenewable energy
38. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Wheel and axle
Renewable energy
freezing point
Static electricity
39. 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
Atomic number
Iron
Efficiently
Interval
40. 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
Electric circuit
Electric current
Mechanical advantage
Convection
41. 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
Velocity
Liquids
ratio of the length of the sloped surface to the height
Materials with high conductivity
42. 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
Wavelength
Oxygen
Electric circuit
Simple machine
43. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Gravitation
Indentation hardness
Nuclear energy
average atomic mass
44. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Refraction
Nuclear fusion
Crest
Reflection
45. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Test experiment - Step 3
Oxygen
Fluorescent lamp/fluorescent tube
positive
46. 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
Law of reflection
The formation of rust
Steps in conducting a scientific investigation
Carbon
47. 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
Pulley/block
Electric current
Interval
Lever
48. 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
Draw conclusion
average atomic mass
intermediate
Motion
49. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
intermediate
Newton's first law of motion
Interval
Energy
50. 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
Three states of matter
Second - class lever
Materials with poor conductivity
Electromagnetic radiation