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. The burning of coal also contributes to the formation of...
Acid rain
Deposition
Steps in conducting a scientific investigation
Water
2. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical properties
Angle of incidence
Heat conduction/Thermal conduction
Efficiently
3. List the specific materials to be used in the experiment - This allows for replication of the experiment
Reflection
Newton's first law of motion
Gases
Test experiment - Step 1 - Select the materials
4. Obtained by two different means - fission and fusion
Nuclear energy
Atomic number
Materials with high conductivity
Weight
5. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Reflection
freezing point
Density
Matter
6. Some gases can transition directly to a solid Example: the formation of frost
Carbon dioxide and methane
contrasted
Electric current
Deposition
7. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Refractive index
Convection
average atomic mass
8. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Chemical reactions
Hardness
Electric current
Physical changes
9. A difference between two temperatures or an uncertainty
Test experiment - Step 3
Electrons
Fluorescent lamp/fluorescent tube
Interval
10. 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
Density
Fahrenheit (
Physical changes
Interval
11. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Helium
Interval
Scratch hardness
Newton's first law of motion
12. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Matter
Carbon
Optics
Indentation hardness
13. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Solution
Electric circuit
Mixture
Litmus test
14. A compressed gas pushes out __________ in all directions
presence
Non - metals in the periodic table
Steps in conducting a scientific investigation
equally
15. 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
Newton's third law of motion
positive
Energy
16. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Optics
Acid rain
Velocity
Table salt
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
Refractive index
Nuclear energy
Solids
Develop a hypothesis
18. 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
Nonrenewable energy
Solution
Ballast
Rainbow
19. 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
Forms of energy
Gases
Current
Frequency
20. 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
Density
Amplitude
Dependent variable (responding variable)
Energy
21. 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
Oxygen
Wheel and axle
Chemical reactions
Simple machine
22. The sum of the protons and neutrons gives an ______________ for the element
Electrons
Gravitation
average atomic mass
Convection
23. Transition of heat through a medium - From a region of higher temperature to a region of lower temperature - Heat energy is transferred from one material to another by direct contact - Metals are good conductors of heat
Matter
Carbon dioxide and methane
Measurement
Heat conduction/Thermal conduction
24. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
proportional to its mass
contrasted
Acceleration
Oxygen
25. 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)
groups or families
Test experiment - Step 2 - Set up the procedure
Kinetic and potential energy
Charles's Law
26. 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
number of protons
Ratio of the length of its slope to its width
Pulley/block
Nuclear fission
27. The ratio of the output to the input force - Also called leverage - Results in less force applied over a greater distance - Helps to make work easier
Three principal operational definitions of hardness
Fluorescent lamp/fluorescent tube
Mechanical advantage
Three states of matter
28. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Motion
Simple machine
Acceleration
Independent variable (manipulated variable)
29. 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
Efficiently
Draw conclusion
Optics
Solution
30. 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
Refraction
Newton's second law of motion
Mass
Variables that are controlled
31. 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
Wheel and axle
ratio of the length of the sloped surface to the height
Chemical elements
Efficiently
32. This is the one factor that will be intentionally changed during the experiment. Examples include changing the amount of salt that is added to water to determine its freezing point; introducing different soil types in germinating seeds; and changing
Uranium
Independent variable (manipulated variable)
Velocity
The formation of rust
33. 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
Newton's third law of motion
Angle of incidence
Iron
First - class lever
34. 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
First - class lever
Draw conclusion
equally
Test experiment - Step 3
35. Height of the bounce of an object dropped o the material - related to elasticity
Rebound hardness
freezing point
Thermal radiation
Interval
36. 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
ratio of the length of the sloped surface to the height
Compounds
Variables that are controlled
Metals in the periodic table
37. Temperature scale -0
Carbon dioxide and methane
Celsius (
Nonrenewable energy
Three principal operational definitions of hardness
38. Heat can be converted to motion - and motion can produce heat
Physical sciences
Litmus
Variables that are controlled
Thermal energy
39. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Indentation hardness
Violet
Electricity
Helium
40. 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
Higher boiling point
Test experiment - Step 3
Chemical elements
41. 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 -
Renewable energy
pH
Distillation
117
42. 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
Chemical elements
Test experiment - Step 2 - Set up the procedure
Litmus test
43. 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
average atomic mass
The periodic table of the elements
Electricity
pH indicator
44. 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
Table salt
Gases
Transfer of heat
Oxygen
45. 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
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
46. 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
Angle of refraction
Test experiment - Step 2 - Set up the procedure
The periodic table of the elements
pH indicator
47. The shortest wavelength; red is the longest
Celsius (
Efficiently
Violet
Boyle's Law
48. 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
Rebound hardness
Distillation
Gravity
49. 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
Water
Materials with poor conductivity
Second - class lever
Nuclear fusion
50. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
Gases
Renewable energy
groups or families
Rebound hardness