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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. For every action (applied force) - there is an equal and opposite reaction
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2. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Deposition
Motion
Water
Lever
3. Displayed by permanent magnets and around electric currents
Convection
Magnetism
Interval
Draw conclusion
4. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Mechanical advantage
Kinetic and potential energy
Efficiently
Renewable energy
5. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Amplitude
Pulley/block
Mass
First - class lever
6. Heat can be converted to motion - and motion can produce heat
Three states of matter
Litmus
Thermal energy
Fahrenheit (
7. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Law of reflection
proportional to its mass
Chemical elements
Matter
8. 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
Nuclear fusion
Second - class lever
Electric circuit
Scratch hardness
9. A compressed gas pushes out __________ in all directions
equally
Interval
Second - class lever
Charles's Law
10. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
groups or families
Law of reflection
Physical properties
number of protons
11. 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
contrasted
Rebound hardness
Crest
12. 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
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13. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Convection
Fluorescent lamp/fluorescent tube
Matter
Pitch
14. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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15. The burning of coal also contributes to the formation of...
Refraction
Thermal radiation
Acid rain
Test experiment - Step 1 - Select the materials
16. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Test experiment - Step 3
Incandescent light bulb
Indentation hardness
Liquids
17. 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
Light
Gravitation
Magnetism
Electromagnetic radiation
18. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Atomic number
groups or families
pH indicator
Law of conservation of energy
19. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Transfer of heat
Reflection
Gases
Wavelength
20. 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
Velocity
First - class lever
Chemical reactions
Temperature conversions
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
Violet
Physical changes
Wheel and axle
Uranium
22. The top of a wave's 'hill'
Frequency
freezing point
Fluorescent lamp/fluorescent tube
Crest
23. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Wedge
117
proportional to its mass
Hardness
24. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Static electricity
Screw
Acid rain
Develop a hypothesis
25. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Newton's third law of motion
Compounds
Iron
pH indicator
26. 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
Indentation hardness
Physical changes
Electrons
Newton's third law of motion
27. Other indicators of the ________ of an acid are that when acids react with metals - hydrogen gas is released causing bases to feel soapy when touched
Test experiment - Step 3
Table salt
Gravitation
presence
28. 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 -
pH
Variables that are controlled
Lever
Three principal operational definitions of hardness
29. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Sublimination
Solution
Newton's third law of motion
Liquids
30. 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
Carbon
Draw conclusion
Charles's Law
31. Solids - liquids - and gases
Velocity
Three states of matter
Reflection
Thermal energy
32. Some of the light is reflected - the angle of reflection being equal to the...
Newton's first law of motion
Electric current
Angle of incidence
Newton's third law of motion
33. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
Pitch
Table salt
freezing point
Law of conservation of energy
34. Salt has a ___________ than water and therefore doesn't evaporate with the water
Develop a hypothesis
Higher boiling point
Test experiment - Step 2 - Set up the procedure
First - class lever
35. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Hydrogen
Boyle's Law
Magnetism
Transfer of heat
36. 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
Mixture
Simple machine
Newton's second law of motion
37. 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)
Nuclear fusion
groups or families
Mohs' scale of hardness
Develop a hypothesis
38. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Matter
Third - class lever
Litmus test
Electric circuit
39. 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
Amplitude
Uranium
The six classical simple machines
40. The shortest wavelength; red is the longest
proportional to its mass
Static electricity
south pole
Violet
41. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Wavelength
Solids
pressure and temperature
Energy
42. List the specific materials to be used in the experiment - This allows for replication of the experiment
Test experiment - Step 1 - Select the materials
Electromagnetic radiation
Iron
Renewable energy
43. 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
Wheel and axle
Non - metals in the periodic table
Efficiently
Simple machine
44. Obtained by two different means - fission and fusion
Nuclear energy
Thermal energy
groups or families
Newton's third law of motion
45. 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)
Gravitation
Optics
Electric circuit
Lever
46. 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
Ratio of the length of its slope to its width
Gases
Fluorescent lamp/fluorescent tube
Draw conclusion
47. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Iron
Water
Deposition
number of protons
48. 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
Dependent variable (responding variable)
Nuclear energy
Static electricity
Refraction
49. 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
Gravitation
Incandescent light bulb
Matter
Kinetic and potential energy
50. 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
Gravity
Nuclear fission
groups or families
Inclined plane