SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 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 -
average atomic mass
pH
magnetic field
Physical properties
2. 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
Screw
Draw conclusion
Electric current
Static electricity
3. The distance between two consecutive points on a wave (crest to crest)
Electric circuit
Helium
Energy
Wavelength
4. 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
pH indicator
Frequency
Gravitation
5. Temperature scale -0
pressure and temperature
Celsius (
Interval
Materials with high conductivity
6. Scratch hardness - indentation hardness - and rebound hardness
Angle of incidence
Rebound hardness
Three principal operational definitions of hardness
intermediate
7. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Electricity
Test experiment - Step 2 - Set up the procedure
average atomic mass
Iron
8. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Hardness
Screw
Refraction
pH indicator
9. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
number of protons
Deposition
proportional to its mass
Convection
10. Solids - liquids - and gases
Simple machine
Three states of matter
Lever
Optics
11. 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
groups or families
Variables that are controlled
Violet
12. 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
intermediate
Efficiently
Inclined plane
Violet
13. Protons have a __________ electrical charge - and neutrons have no charge
Rainbow
Lever
Wheel and axle
positive
14. 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
Pulley/block
Dependent variable (responding variable)
Nonrenewable energy
Solids
15. 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
Lever
Pitch
Non - metals in the periodic table
Draw conclusion
16. 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
Newton's third law of motion
chemical symbol
Scratch hardness
Ratio of the length of its slope to its width
17. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
Electric circuit
Boyle's Law
pressure and temperature
Fahrenheit (
18. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Reflection
Convection
Hardness
Nuclear fission
19. 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
Atomic number
Physical sciences
Develop a hypothesis
Electricity
20. 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
Variables that are controlled
Screw
chemical symbol
Gases
21. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
The six classical simple machines
Renewable energy
117
22. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Scratch hardness
Refractive index
Physical properties
Efficiently
23. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear fission
Materials with high conductivity
Screw
Transfer of heat
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
Newton's third law of motion
Renewable energy
Test experiment - Step 2 - Set up the procedure
25. 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
Carbon
Helium
Steps in conducting a scientific investigation
Chemical reactions
26. 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
Electromagnetic radiation
Convection
Indentation hardness
Simple machine
27. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Wedge
Law of reflection
proportional to its mass
Litmus test
28. 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
Draw conclusion
Materials with poor conductivity
Motion
magnetic field
29. 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
Ballast
Thermal radiation
Transfer of heat
Carbon
30. Opposite process of nuclear fission - Yields energy when very light nuclei unite to a heavier nucleus - Stars (including the sun) derive their energy from nuclear fusion
Non - metals in the periodic table
Nuclear fusion
presence
Mechanical advantage
31. The number of waves produced in a given time
Frequency
Refractive index
Law of reflection
Ballast
32. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
33. In optics - refraction occurs when light waves travel from a medium with a given refractive index to a medium with another index Example: A ray of light will refract as it enters and leaves glass - assuming there is a change in the refractive index.
contrasted
Nonrenewable energy
Litmus test
Optics
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)
Nuclear fusion
Compounds
Test experiment - Step 2 - Set up the procedure
pH indicator
35. 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
equally
nucleus
Celsius (
Electricity
36. 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
Rainbow
Mixture
average atomic mass
37. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Frequency
Indentation hardness
Materials with high conductivity
Nuclear fusion
38. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
pH
Helium
Carbon
Gases
39. 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
Hydrogen
Mechanical advantage
Temperature conversions
Atomic number
40. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
groups or families
pH indicator
Ballast
Carbon dioxide and methane
41. When foreign substances are dissolved in water it creates a solution - Solutions with a pH of less than 7.0 are said to be acidic - and solutions with a pH greater than 7.0 are said to be basic or alkaline
Solution
Forms of energy
intermediate
Pulley/block
42. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Law of conservation of energy
Renewable energy
Efficiently
Second - class lever
43. 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
Deposition
Dependent variable (responding variable)
First - class lever
44. Energy can be neither created nor destroy
Ballast
Law of conservation of energy
Test experiment - Step 3
Energy
45. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Test experiment - Step 3
Table salt
Variables that are controlled
Draw conclusion
46. 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
groups or families
Energy
Three principal operational definitions of hardness
Wheel and axle
47. A compressed gas pushes out __________ in all directions
Physical changes
Velocity
equally
Convection
48. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Steps in conducting a scientific investigation
presence
Litmus test
Scratch hardness
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
The periodic table of the elements
Kinetic and potential energy
Pulley/block
Solids
50. A wave's height - the distance between its resting position and its crest
Electromagnetic radiation
Nonrenewable energy
Amplitude
Angle of incidence