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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. 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
Rebound hardness
Non - metals in the periodic table
Indentation hardness
Atomic number
2. 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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3. 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
Wheel and axle
Static electricity
Distillation
Nuclear fission
4. The top of a wave's 'hill'
Electric circuit
presence
Crest
freezing point
5. 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
ratio of the length of the sloped surface to the height
Fluorescent lamp/fluorescent tube
Electrons
Weight
6. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
proportional to its mass
Measurement
Electric circuit
Physical sciences
7. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Density
pH
Distillation
Physical properties
8. 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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9. 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
Rainbow
Ballast
Simple machine
Dependent variable (responding variable)
10. Heat can be converted to motion - and motion can produce heat
Thermal energy
Test experiment - Step 3
Motion
presence
11. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
south pole
number of protons
Sublimination
Renewable energy
12. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Law of reflection
Third - class lever
Velocity
Acid rain
13. 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
Physical changes
Current
Physical sciences
First - class lever
14. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
pH indicator
Crest
Solids
Efficiently
15. Energy can be neither created nor destroy
Law of conservation of energy
Three states of matter
Ballast
Gravitation
16. The burning of coal also contributes to the formation of...
Ballast
Acid rain
The periodic table of the elements
Second - class lever
17. 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
Wheel and axle
south pole
Steps in conducting a scientific investigation
Draw conclusion
18. 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
Wheel and axle
nucleus
Nuclear energy
19. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Electric current
Wheel and axle
Newton's third law of motion
Dependent variable (responding variable)
20. Temperature scale -0
Celsius (
Mohs' scale of hardness
Hydrogen
The six classical simple machines
21. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Three states of matter
Materials with high conductivity
Variables that are controlled
Law of conservation of energy
22. The sum of the protons and neutrons gives an ______________ for the element
Ballast
average atomic mass
Fahrenheit (
Electric current
23. 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
First - class lever
Pitch
Physical sciences
Temperature conversions
24. Protons have a __________ electrical charge - and neutrons have no charge
positive
Acceleration
pH
Density
25. 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
Motion
Litmus test
Optics
26. 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
Electrons
Refractive index
Temperature conversions
First - class lever
27. A compressed gas pushes out __________ in all directions
equally
Three principal operational definitions of hardness
Boyle's Law
Ratio of the length of its slope to its width
28. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
Mass
pressure and temperature
Matter
Helium
29. 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
Test experiment - Step 3
Three principal operational definitions of hardness
Test experiment - Step 1 - Select the materials
equally
30. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Metals in the periodic table
Chemical reactions
Variables that are controlled
Carbon
31. 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
Steps in conducting a scientific investigation
pH
Static electricity
Ratio of the length of its slope to its width
32. 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
Violet
Fluorescent lamp/fluorescent tube
Density
Acceleration
33. 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
Physical sciences
Mohs' scale of hardness
Angle of refraction
chemical symbol
34. 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
Third - class lever
Incandescent light bulb
Weight
Physical changes
35. A form of energy that can be used to produce sound - light - heat - and power - it exists where the number of negative electrons does not precisely equal the number of positive protons - Electrons are held in the atom by an electrical force and have
Nuclear energy
Renewable energy
Distillation
Electricity
36. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Iron
Motion
Pitch
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
ratio of the length of the sloped surface to the height
Three principal operational definitions of hardness
Refractive index
magnetic field
38. The beginning of scientific wisdom - The physicist's first reaction to a new idea is to ask: Can it be measured? Can I describe it with numbers?
Measurement
nucleus
Current
Mechanical advantage
39. These are the factors that are kept exactly the same in an experiment. In an experiment on plant growth - the variables could include amount of sunlight - type of soil - amount of water - and type of plant. Only one factor at a time is changed - whil
Test experiment - Step 2 - Set up the procedure
Distillation
Interval
Variables that are controlled
40. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
The six classical simple machines
Test experiment - Step 1 - Select the materials
Three states of matter
Second - class lever
41. 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
Incandescent light bulb
nucleus
Mixture
Three states of matter
42. 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
Three states of matter
Mixture
Wedge
First - class lever
43. The distance between two consecutive points on a wave (crest to crest)
Wavelength
Law of conservation of energy
Second - class lever
The six classical simple machines
44. The earth's __________ orients the iron needles of navigational compasses
Density
magnetic field
Draw conclusion
The periodic table of the elements
45. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
Acceleration
Interval
pressure and temperature
Variables that are controlled
46. Solids - liquids - and gases
Test experiment - Step 2 - Set up the procedure
Compounds
Three states of matter
Second - class lever
47. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
Hardness
Temperature conversions
Gases
Sublimination
48. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Fluorescent lamp/fluorescent tube
Rebound hardness
Reflection
Angle of refraction
49. 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
Atomic number
Iron
Acceleration
Solids
50. 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
Electric circuit
Distillation
Mechanical advantage
Screw