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 law of inertia - Without outside forces (such as gravity or friction) - an object at rest will remain at rest - while an object in motion will never stop or deviate from its course
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
2. 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
south pole
Lever
Deposition
Non - metals in the periodic table
3. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
positive
pressure and temperature
Nuclear fission
proportional to its mass
4. 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
5. Temperature scale -0
Celsius (
Carbon
Mechanical advantage
Test experiment - Step 3
6. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
pressure and temperature
Interval
Physical properties
Indentation hardness
7. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Iron
groups or families
Nuclear energy
Boyle's Law
8. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Current
Electric current
The periodic table of the elements
Develop a hypothesis
9. Scratch hardness - indentation hardness - and rebound hardness
Violet
Law of reflection
Three principal operational definitions of hardness
contrasted
10. Displayed by permanent magnets and around electric currents
Angle of incidence
Gravity
Lever
Magnetism
11. 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
Litmus
Variables that are controlled
Higher boiling point
12. 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
Magnetism
Litmus
equally
Electrons
13. 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
Boyle's Law
Static electricity
Third - class lever
Newton's second law of motion
14. Protons have a __________ electrical charge - and neutrons have no charge
chemical symbol
Test experiment - Step 3
Newton's second law of motion
positive
15. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
16. Obtained by two different means - fission and fusion
Indentation hardness
Nuclear energy
Pulley/block
Chemical changes
17. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Weight
The six classical simple machines
Draw conclusion
Incandescent light bulb
18. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
First - class lever
Metals in the periodic table
Energy
Boyle's Law
19. 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
Current
Nuclear energy
Frequency
20. 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
The periodic table of the elements
Violet
Hardness
Rainbow
21. 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
Electricity
Celsius (
Metals in the periodic table
22. Some of the light is reflected - the angle of reflection being equal to the...
Law of reflection
Angle of incidence
Higher boiling point
Inclined plane
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
Third - class lever
Screw
Temperature conversions
Dependent variable (responding variable)
24. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Nuclear energy
Third - class lever
Velocity
Electric circuit
25. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Transfer of heat
pH indicator
chemical symbol
Carbon
26. List the specific materials to be used in the experiment - This allows for replication of the experiment
Ratio of the length of its slope to its width
Test experiment - Step 1 - Select the materials
pressure and temperature
Test experiment - Step 3
27. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Boyle's Law
Magnetism
ratio of the length of the sloped surface to the height
Chemical elements
28. 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
Angle of incidence
Efficiently
The periodic table of the elements
117
29. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Motion
Newton's second law of motion
Interval
Gases
30. 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
Magnetism
Rainbow
Electromagnetic radiation
Second - class lever
31. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Gravity
Oxygen
Materials with high conductivity
Nonrenewable energy
32. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Chemical elements
First - class lever
The formation of rust
Litmus test
33. 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
Deposition
Ratio of the length of its slope to its width
Metals in the periodic table
Newton's second law of motion
34. 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
Chemical elements
Static electricity
Nonrenewable energy
Oxygen
35. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
average atomic mass
proportional to its mass
Table salt
pH
36. 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
average atomic mass
presence
Develop a hypothesis
Gravitation
37. If the pressure increases - the volume decreases; the reverse is true as well
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
38. 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
The periodic table of the elements
Crest
Heat conduction/Thermal conduction
Electrons
39. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
Scratch hardness
Density
The formation of rust
Motion
40. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Test experiment - Step 1 - Select the materials
Physical properties
Angle of incidence
Renewable energy
41. Major greenhouse gases
Magnetism
Independent variable (manipulated variable)
average atomic mass
Carbon dioxide and methane
42. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
groups or families
Density
Inclined plane
43. Heat can be converted to motion - and motion can produce heat
number of protons
pressure and temperature
pH
Thermal energy
44. 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
Mechanical advantage
Second - class lever
Density
Compounds
45. 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
pH indicator
Solids
Materials with high conductivity
46. 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
Hydrogen
Rebound hardness
Refraction
Newton's third law of motion
47. 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)
Lever
Inclined plane
Chemical reactions
Metals in the periodic table
48. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Electric current
Matter
Refraction
freezing point
49. Some gases can transition directly to a solid Example: the formation of frost
proportional to its mass
Materials with high conductivity
Deposition
Matter
50. Seems to travel in perfectly straight lines as rays - The direction of a ray changes at the interface between two transparent materials - like air and water
Light
Weight
Table salt
Reflection