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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. 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
Hydrogen
Efficiently
Electric circuit
Solids
2. 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
The formation of rust
Helium
Chemical changes
Solids
3. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear fission
Physical properties
Physical sciences
Acid rain
4. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Forms of energy
Litmus test
chemical symbol
Third - class lever
5. 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
Reflection
Charles's Law
Chemical changes
Compounds
6. 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)
pressure and temperature
Electricity
nucleus
groups or families
7. 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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8. 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)
Three states of matter
Test experiment - Step 2 - Set up the procedure
Mohs' scale of hardness
south pole
9. Seems to travel in perfectly straight lines as rays - The direction of a ray changes at the interface between two transparent materials - like air and water
Light
Variables that are controlled
Transfer of heat
Newton's third law of motion
10. 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
Indentation hardness
Sublimination
Steps in conducting a scientific investigation
Non - metals in the periodic table
11. 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
Angle of refraction
Mixture
pH indicator
Independent variable (manipulated variable)
12. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Ballast
magnetic field
Mass
Refractive index
13. Metals account for the vast majority of the elements in the periodic table - Show a wide range of chemical and physical properties - Most metals are good conductors of heat and electricity - and some - like iron and cobalt - are magnetic - Many metal
Metals in the periodic table
Atomic number
Refractive index
Chemical changes
14. The distance between two consecutive points on a wave (crest to crest)
Second - class lever
Wavelength
Materials with poor conductivity
Wheel and axle
15. The pitch of a sound depends on how fast the particles of a medium vibrate
Metals in the periodic table
Pitch
Transfer of heat
Charles's Law
16. 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
Metals in the periodic table
Newton's third law of motion
Temperature conversions
17. Hard matter is ______ with soft matter
contrasted
groups or families
Wedge
Distillation
18. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
Density
contrasted
chemical symbol
pressure and temperature
19. A measure of the acidity or basicity of a solution - The ____ scale is not an absolute scale; it is relative to a set of standard solutions whose pH is established by international agreement - these measurements are important for medicine - biology -
Carbon dioxide and methane
pH
Litmus
Matter
20. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
Screw
Convection
Simple machine
The six classical simple machines
21. 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
Newton's third law of motion
intermediate
The periodic table of the elements
Amplitude
22. A rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object - Examples: wheelbarrow (the wheel works as the fulcrum) - scissors (the fulcrum is where the blades cross)
Rebound hardness
Wavelength
Lever
Simple machine
23. A wave's height - the distance between its resting position and its crest
Nuclear fission
Materials with poor conductivity
Violet
Amplitude
24. 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
Refraction
Pitch
Magnetism
25. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Chemical elements
Water
Carbon dioxide and methane
Test experiment - Step 2 - Set up the procedure
26. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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27. The burning of coal also contributes to the formation of...
Non - metals in the periodic table
Celsius (
Acid rain
Nuclear fission
28. 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
Carbon
Scratch hardness
Celsius (
Mechanical advantage
29. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Forms of energy
Pulley/block
Optics
Uranium
30. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
freezing point
Weight
Refractive index
Magnetism
31. 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
Indentation hardness
Density
Chemical elements
Acid rain
32. 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
The formation of rust
Thermal energy
Develop a hypothesis
Temperature conversions
33. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Interval
number of protons
Second - class lever
Chemical elements
34. 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
Heat conduction/Thermal conduction
presence
Newton's first law of motion
Fahrenheit (
35. The number of waves produced in a given time
Frequency
Ratio of the length of its slope to its width
Electrons
pressure and temperature
36. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Thermal energy
Velocity
Heat conduction/Thermal conduction
37. 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
Electricity
Current
groups or families
Angle of refraction
38. 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
intermediate
Simple machine
Heat conduction/Thermal conduction
number of protons
39. 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
Newton's second law of motion
Electricity
Steps in conducting a scientific investigation
40. 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
Thermal radiation
Test experiment - Step 1 - Select the materials
The periodic table of the elements
Indentation hardness
41. 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
The six classical simple machines
Third - class lever
Deposition
42. 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
Gravitation
Electrons
Test experiment - Step 3
Celsius (
43. Temperature scale -0
Pitch
Wavelength
Celsius (
Matter
44. A compressed gas pushes out __________ in all directions
Static electricity
Thermal radiation
equally
pH
45. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
freezing point
Carbon
Solids
Uranium
46. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Energy
Variables that are controlled
pH indicator
Mohs' scale of hardness
47. The sum of the protons and neutrons gives an ______________ for the element
proportional to its mass
average atomic mass
Electricity
Heat conduction/Thermal conduction
48. Major greenhouse gases
Carbon dioxide and methane
groups or families
Newton's second law of motion
Nonrenewable energy
49. 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
Fahrenheit (
Motion
Efficiently
Third - class lever
50. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Compounds
Matter
Water
Draw conclusion