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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. Salt has a ___________ than water and therefore doesn't evaporate with the water
Test experiment - Step 3
Higher boiling point
Test experiment - Step 2 - Set up the procedure
Chemical changes
2. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Amplitude
Thermal energy
Carbon
Materials with poor conductivity
3. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Wavelength
Chemical changes
Renewable energy
Acid rain
4. The burning of coal also contributes to the formation of...
Non - metals in the periodic table
Acid rain
Motion
Three states of matter
5. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
magnetic field
Wedge
Water
Inclined plane
6. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
groups or families
Current
Interval
Indentation hardness
7. Energy can be neither created nor destroy
Materials with poor conductivity
intermediate
freezing point
Law of conservation of energy
8. As of 2006 - the table contains _____ chemical elements whose discoveries have been confirmed - 94 are naturally found on the earth - and the rest are synthetic elements that have been produced artificially in particle accelerators
Acceleration
117
Second - class lever
Wedge
9. 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
Fluorescent lamp/fluorescent tube
Physical properties
Metals in the periodic table
Forms of energy
10. 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
Frequency
Second - class lever
Dependent variable (responding variable)
Electromagnetic radiation
11. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Mixture
Scratch hardness
Water
magnetic field
12. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Angle of refraction
Velocity
Celsius (
Third - class lever
13. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Gravity
Iron
Test experiment - Step 3
Nuclear fusion
14. The sum of the protons and neutrons gives an ______________ for the element
Sublimination
Atomic number
Carbon
average atomic mass
15. 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
Light
Physical sciences
Scratch hardness
16. Scratch hardness - indentation hardness - and rebound hardness
Rebound hardness
freezing point
Light
Three principal operational definitions of hardness
17. Glass has a higher ___________ than air and the different frequencies of light have different wavelengths (dispersion) - causing them to be refracted at different angles - so that you can see them - The different frequencies correspond to different c
number of protons
Refractive index
Physical changes
Frequency
18. The top of a wave's 'hill'
Crest
Electric circuit
Newton's third law of motion
Wavelength
19. 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)
Physical properties
Density
groups or families
Ratio of the length of its slope to its width
20. Hard matter is ______ with soft matter
contrasted
Screw
Reflection
Test experiment - Step 3
21. 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
Distillation
equally
First - class lever
Forms of energy
22. 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
Current
pH indicator
contrasted
Fahrenheit (
23. 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)
ratio of the length of the sloped surface to the height
Lever
proportional to its mass
Nonrenewable energy
24. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Compounds
Mass
Weight
Optics
25. 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
Inclined plane
Test experiment - Step 3
Atomic number
Nuclear fission
26. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
freezing point
Screw
Mass
Carbon
27. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Weight
Non - metals in the periodic table
The periodic table of the elements
ratio of the length of the sloped surface to the height
28. 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
Crest
Atomic number
Chemical reactions
Energy
29. A flat surface whose endpoints are at different heights - resulting in a slope - By moving an object up an ___________ rather than completely vertically - the amount of force required is reduced - at the expense of increasing the distance the object
Efficiently
Inclined plane
Liquids
Oxygen
30. 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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31. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Sublimination
groups or families
Materials with high conductivity
Develop a hypothesis
32. Displayed by permanent magnets and around electric currents
Solution
Pitch
Electromagnetic radiation
Magnetism
33. 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?
Fahrenheit (
Measurement
Metals in the periodic table
Water
34. 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
Law of conservation of energy
Heat conduction/Thermal conduction
Newton's third law of motion
35. 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
intermediate
Thermal radiation
Transfer of heat
Nuclear fission
36. 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
nucleus
Weight
Transfer of heat
Boyle's Law
37. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Wheel and axle
Hardness
positive
Physical properties
38. Solids - liquids - and gases
Solution
Interval
Three states of matter
Heat conduction/Thermal conduction
39. The mechanical advantage of a wedge is given by the ______________________ - Although a short wedge with a wide angle may do a job faster - it requires more force than a long wedge with a narrow angle
Ratio of the length of its slope to its width
Light
Refractive index
Mass
40. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Ballast
Interval
Velocity
Efficiently
41. 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
Atomic number
Acceleration
chemical symbol
Electrons
42. 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
nucleus
Forms of energy
Deposition
43. 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
Hardness
Thermal radiation
44. Multiply force but do not change the direction of the input force End: Fulcrum Middle: Output force Other end: Input force Examples: wheelbarrows - baby strollers - bottle openers
Second - class lever
Chemical reactions
Chemical changes
Thermal radiation
45. The pitch of a sound depends on how fast the particles of a medium vibrate
Celsius (
Materials with high conductivity
Liquids
Pitch
46. 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
Non - metals in the periodic table
Materials with poor conductivity
Inclined plane
Chemical reactions
47. 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
Nonrenewable energy
Density
Renewable energy
Angle of refraction
48. 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
Mohs' scale of hardness
Table salt
Thermal radiation
Physical sciences
49. A compressed gas pushes out __________ in all directions
Boyle's Law
equally
Second - class lever
Motion
50. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Charles's Law
Table salt
Lever
Electric circuit