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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. 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
Electric current
Chemical reactions
Metals in the periodic table
Gravity
2. 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)
Test experiment - Step 2 - Set up the procedure
Iron
Non - metals in the periodic table
Kinetic and potential energy
3. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
Angle of refraction
Atomic number
Pulley/block
Mixture
4. Salt has a ___________ than water and therefore doesn't evaporate with the water
Optics
Higher boiling point
Pulley/block
Dependent variable (responding variable)
5. 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
Uranium
Draw conclusion
Thermal energy
Reflection
6. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Materials with poor conductivity
Density
proportional to its mass
Variables that are controlled
7. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Energy
Acceleration
Three states of matter
presence
8. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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9. 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
The periodic table of the elements
Wheel and axle
Newton's third law of motion
Law of conservation of energy
10. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
number of protons
Hydrogen
Variables that are controlled
Violet
11. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Oxygen
Matter
Second - class lever
Sublimination
12. 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
Pulley/block
Atomic number
nucleus
Efficiently
13. 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
Renewable energy
Electric circuit
Mixture
Wavelength
14. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Atomic number
Indentation hardness
Mass
Electricity
15. 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
ratio of the length of the sloped surface to the height
Convection
Solids
positive
16. 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
Physical sciences
Fahrenheit (
Water
The periodic table of the elements
17. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Carbon
Helium
Electrons
Reflection
18. 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)
Atomic number
groups or families
Energy
Violet
19. 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
Chemical reactions
Test experiment - Step 2 - Set up the procedure
Distillation
Non - metals in the periodic table
20. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Hardness
Interval
Water
Boyle's Law
21. Major greenhouse gases
equally
Carbon dioxide and methane
Three principal operational definitions of hardness
Simple machine
22. 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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23. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Table salt
Weight
Matter
Wavelength
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. 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
Current
Solution
Density
Rebound hardness
26. Obtained by two different means - fission and fusion
Nuclear energy
Newton's second law of motion
Inclined plane
Crest
27. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Forms of energy
Dependent variable (responding variable)
Three principal operational definitions of hardness
Indentation hardness
28. 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
Refraction
Law of conservation of energy
117
Nuclear fission
29. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Optics
Hardness
Helium
Nuclear fission
30. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
freezing point
Electric current
Wedge
Optics
31. The shortest wavelength; red is the longest
Chemical reactions
Ratio of the length of its slope to its width
Violet
Crest
32. The sum of the protons and neutrons gives an ______________ for the element
Hydrogen
Helium
Materials with high conductivity
average atomic mass
33. 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
Test experiment - Step 3
Convection
Electromagnetic radiation
Boyle's Law
34. 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
Third - class lever
Amplitude
Distillation
Materials with poor conductivity
35. 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
Density
Wavelength
Sublimination
36. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Renewable energy
Boyle's Law
Reflection
Measurement
37. 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
Independent variable (manipulated variable)
ratio of the length of the sloped surface to the height
Materials with high conductivity
Light
38. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Helium
Litmus
Test experiment - Step 2 - Set up the procedure
Solution
39. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Materials with high conductivity
Pulley/block
Third - class lever
Electric current
40. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear fission
117
Thermal radiation
Boyle's Law
41. A compressed gas pushes out __________ in all directions
Steps in conducting a scientific investigation
Newton's first law of motion
Wavelength
equally
42. Displayed by permanent magnets and around electric currents
Wheel and axle
Inclined plane
Magnetism
Weight
43. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
pH
Measurement
Gases
Mixture
44. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Newton's first law of motion
Motion
Variables that are controlled
Ballast
45. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
Compounds
Third - class lever
presence
The formation of rust
46. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Lever
Steps in conducting a scientific investigation
Nuclear energy
47. 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)
Kinetic and potential energy
Materials with high conductivity
Angle of refraction
48. Height of the bounce of an object dropped o the material - related to elasticity
Rebound hardness
Nuclear fusion
Mixture
chemical symbol
49. In each element's square - the ________ is in the middle - the atomic weight is usually directly below the symbol - the atomic number is usually shown at the top of the square
pressure and temperature
south pole
chemical symbol
Carbon dioxide and methane
50. 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
Simple machine
Acceleration
Second - class lever
Current