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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. 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
Thermal radiation
Rainbow
Motion
Materials with high conductivity
2. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Energy
Draw conclusion
Rainbow
Litmus
3. Some gases can transition directly to a solid Example: the formation of frost
Light
Gravitation
Electric circuit
Deposition
4. The distance between two consecutive points on a wave (crest to crest)
Wavelength
presence
Draw conclusion
Density
5. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Non - metals in the periodic table
Forms of energy
Electromagnetic radiation
positive
6. Transferring of heat by emission and dissemination of waves or particles - Generated when heat from the movement of charged particles within atoms is converted to electromagnetic radiation - Electromagnetic radiation emitted from the surface of an ob
Convection
Thermal radiation
chemical symbol
The formation of rust
7. 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
Density
Fahrenheit (
Boyle's Law
Static electricity
8. 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
Gravity
Solids
Sublimination
average atomic mass
9. 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
The periodic table of the elements
Mixture
Optics
10. 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
Chemical reactions
Third - class lever
presence
Liquids
11. 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
Newton's third law of motion
Electric current
Hardness
Wheel and axle
12. 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
Incandescent light bulb
Kinetic and potential energy
Transfer of heat
Chemical changes
13. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Solution
Charles's Law
number of protons
Litmus
14. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Kinetic and potential energy
Scratch hardness
Violet
groups or families
15. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Reflection
Physical sciences
pH indicator
Litmus test
16. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Water
Carbon dioxide and methane
Acceleration
Variables that are controlled
17. 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
Temperature conversions
Angle of incidence
Refraction
Nuclear fusion
18. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
chemical symbol
The periodic table of the elements
Physical properties
Reflection
19. 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
Velocity
Sublimination
Simple machine
Develop a hypothesis
20. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
south pole
freezing point
Law of reflection
Mechanical advantage
21. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Mixture
positive
Reflection
Table salt
22. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Third - class lever
Angle of incidence
Materials with poor conductivity
presence
23. A difference between two temperatures or an uncertainty
Dependent variable (responding variable)
Measurement
Interval
Carbon
24. 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
Electric circuit
Electrons
Efficiently
Deposition
25. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
The formation of rust
Atomic number
Optics
Refraction
26. Some of the light is reflected - the angle of reflection being equal to the...
Angle of incidence
Non - metals in the periodic table
Three principal operational definitions of hardness
Physical properties
27. The earth's __________ orients the iron needles of navigational compasses
Chemical reactions
magnetic field
Inclined plane
Newton's first law of motion
28. 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
Gravity
The six classical simple machines
Oxygen
Nonrenewable energy
29. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Inclined plane
Reflection
Chemical changes
Electric current
30. 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
Velocity
ratio of the length of the sloped surface to the height
First - class lever
Chemical changes
31. A wave's height - the distance between its resting position and its crest
Amplitude
Wedge
Gravitation
Current
32. Heat tends to move from a high - temperature region to a low- temperature region - This heat transfer may occur by the mechanisms of conduction - radiation - and convection
ratio of the length of the sloped surface to the height
Transfer of heat
Litmus test
Second - class lever
33. 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
Pulley/block
Independent variable (manipulated variable)
Hardness
Physical changes
34. For every action (applied force) - there is an equal and opposite reaction
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35. The branches of natural sciences that study the nature and properties of energy and non - living matter
Energy
Test experiment - Step 3
Physical sciences
Carbon dioxide and methane
36. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
south pole
Gases
proportional to its mass
Non - metals in the periodic table
37. 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
Electric circuit
Angle of incidence
Motion
positive
38. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
117
Physical properties
average atomic mass
Nuclear fission
39. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
contrasted
Violet
Test experiment - Step 2 - Set up the procedure
Materials with high conductivity
40. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Gravitation
Acceleration
Violet
Hydrogen
41. A natural phenomenon by which objects with mass attract one another - Compels dispersed matter to coalesce - and thus it accounts for the very existence of the earth - the sun - and most of the macroscopic objects in the universe - Responsible for ke
Gravitation
Mohs' scale of hardness
Iron
equally
42. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Carbon
Uranium
Static electricity
Refractive index
43. 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
Metals in the periodic table
Non - metals in the periodic table
The periodic table of the elements
ratio of the length of the sloped surface to the height
44. 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
Test experiment - Step 2 - Set up the procedure
Atomic number
Efficiently
number of protons
45. 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
Physical changes
Non - metals in the periodic table
Frequency
number of protons
46. 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
The six classical simple machines
Forms of energy
Deposition
Electromagnetic radiation
47. The shortest wavelength; red is the longest
average atomic mass
Independent variable (manipulated variable)
Violet
Mohs' scale of hardness
48. 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
groups or families
average atomic mass
Hardness
Static electricity
49. 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
Three states of matter
Gravity
The periodic table of the elements
Refraction
50. Heat can be converted to motion - and motion can produce heat
intermediate
Atomic number
Thermal energy
The periodic table of the elements