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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. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Physical sciences
Compounds
Amplitude
Forms of energy
2. 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
Three states of matter
Wheel and axle
Nonrenewable energy
3. 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
Materials with poor conductivity
Nonrenewable energy
Electric circuit
presence
4. 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
Develop a hypothesis
Mass
Test experiment - Step 3
Temperature conversions
5. 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
Law of conservation of energy
Amplitude
Efficiently
Incandescent light bulb
6. 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
equally
Iron
Fahrenheit (
7. 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
Screw
Solids
Refraction
Wedge
8. 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
Incandescent light bulb
Sublimination
Density
south pole
9. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
equally
Weight
Independent variable (manipulated variable)
south pole
10. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Three states of matter
Convection
Forms of energy
pH
11. 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
Litmus
Simple machine
Dependent variable (responding variable)
Electromagnetic radiation
12. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Mass
Oxygen
Static electricity
Renewable energy
13. 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
Velocity
Forms of energy
Convection
14. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Gases
Frequency
Measurement
Liquids
15. 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
Litmus test
Mechanical advantage
Steps in conducting a scientific investigation
Electric current
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
contrasted
Pulley/block
Light
Angle of refraction
17. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Test experiment - Step 3
Velocity
Matter
Helium
18. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Motion
contrasted
Helium
Newton's first law of motion
19. 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
Thermal radiation
Compounds
Matter
Solution
20. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Velocity
Electricity
Hardness
Mass
21. 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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22. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Uranium
Mohs' scale of hardness
Convection
Gases
23. 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
Carbon
Non - metals in the periodic table
presence
Interval
24. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Indentation hardness
Carbon
Solution
Litmus test
25. 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
Ratio of the length of its slope to its width
Chemical reactions
First - class lever
Thermal energy
26. Atoms are made up of several tiny parts - At the center of an atom is a core called the __________ - which is made up of particles called protons and neutrons
The six classical simple machines
Chemical changes
freezing point
nucleus
27. The burning of coal also contributes to the formation of...
Light
Table salt
Acid rain
magnetic field
28. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Physical changes
Hydrogen
pH indicator
Litmus
29. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Mechanical advantage
Weight
Electric current
Chemical reactions
30. 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
contrasted
Angle of incidence
Fluorescent lamp/fluorescent tube
Violet
31. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Litmus test
pH
Atomic number
proportional to its mass
32. The sum of the protons and neutrons gives an ______________ for the element
Optics
Ballast
Lever
average atomic mass
33. 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
Acceleration
Efficiently
Fahrenheit (
pH
34. Major greenhouse gases
Mechanical advantage
Pitch
Scratch hardness
Carbon dioxide and methane
35. 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
Uranium
Mohs' scale of hardness
Kinetic and potential energy
Wheel and axle
36. 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
Solution
Carbon
Distillation
Rainbow
37. 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
Electromagnetic radiation
Indentation hardness
Distillation
Measurement
38. Displayed by permanent magnets and around electric currents
Dependent variable (responding variable)
Magnetism
Angle of refraction
Kinetic and potential energy
39. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Angle of refraction
Static electricity
Iron
Mixture
40. 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
Test experiment - Step 3
Temperature conversions
Current
Energy
41. Collect Data (results) - Analyze the data to look for patterns or trends - Record measurements and observations during the experiment - Present data in a graph - table - or another form
Magnetism
intermediate
Chemical reactions
Test experiment - Step 3
42. The branches of natural sciences that study the nature and properties of energy and non - living matter
Solids
Atomic number
Scratch hardness
Physical sciences
43. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Gravity
Scratch hardness
Carbon
Mohs' scale of hardness
44. The shortest wavelength; red is the longest
intermediate
Simple machine
Materials with poor conductivity
Violet
45. 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)
Frequency
Chemical reactions
Test experiment - Step 2 - Set up the procedure
Table salt
46. 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
pH
The periodic table of the elements
Wavelength
magnetic field
47. 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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48. 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
chemical symbol
Physical properties
magnetic field
49. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Chemical elements
Convection
Motion
Iron
50. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Litmus test
Rebound hardness
Law of reflection
Table salt