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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. 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)
average atomic mass
groups or families
Atomic number
ratio of the length of the sloped surface to the height
2. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical changes
Magnetism
Physical properties
Nuclear fission
3. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Carbon
Wheel and axle
Third - class lever
Acid rain
4. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
groups or families
Celsius (
Chemical elements
Test experiment - Step 2 - Set up the procedure
5. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Water
Oxygen
Acid rain
Carbon dioxide and methane
6. Displayed by permanent magnets and around electric currents
Fahrenheit (
Magnetism
Refractive index
Carbon
7. 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
Law of reflection
Test experiment - Step 1 - Select the materials
Steps in conducting a scientific investigation
Newton's second law of motion
8. 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
Develop a hypothesis
Iron
proportional to its mass
9. Makes it possible for some elements and compounds to transition from a solid to gas phase without becoming a liquid Example: a block of dry ice (CO2) - which will turn into a gas at room temperature
Litmus
Pitch
intermediate
Sublimination
10. Some of the light is reflected - the angle of reflection being equal to the...
Deposition
Chemical elements
Inclined plane
Angle of incidence
11. The terms gravitation and gravity are mostly interchangeable in everyday use - refers specifically to the gravitational force exerted by the earth on objects in its vicinity
presence
Law of conservation of energy
south pole
Gravity
12. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Frequency
Gravity
proportional to its mass
Distillation
13. A wave's height - the distance between its resting position and its crest
Nuclear energy
Amplitude
Distillation
Mass
14. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Carbon
Matter
Ratio of the length of its slope to its width
Lever
15. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Nonrenewable energy
The six classical simple machines
Matter
Gases
16. 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
Distillation
Solution
Current
Efficiently
17. 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
Uranium
presence
Pulley/block
18. 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
Lever
Electricity
Dependent variable (responding variable)
proportional to its mass
19. The earth's __________ orients the iron needles of navigational compasses
Carbon
Law of conservation of energy
magnetic field
Uranium
20. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Boyle's Law
Refraction
Velocity
number of protons
21. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Water
Frequency
Electricity
Wedge
22. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
Acceleration
number of protons
groups or families
The periodic table of the elements
23. Some gases can transition directly to a solid Example: the formation of frost
Newton's first law of motion
Density
Deposition
average atomic mass
24. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Physical changes
Static electricity
Helium
Boyle's Law
25. Kinetic energy: energy possessed by a moving object - An object in an unstable position has potential energy - for the position could be converted into movement Example: a baseball thrown vertically upward
proportional to its mass
Chemical changes
Kinetic and potential energy
Refractive index
26. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Motion
Chemical reactions
Scratch hardness
Law of conservation of energy
27. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
The formation of rust
pH
nucleus
Matter
28. 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
Newton's second law of motion
Independent variable (manipulated variable)
Water
Temperature conversions
29. The liquid state is __________ between the solid and gaseous states with regard to molecular motion and attractive forces between molecules Examples: water - oil - milk - honey
intermediate
Density
Amplitude
Temperature conversions
30. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Ballast
Transfer of heat
Ratio of the length of its slope to its width
Gravity
31. A compressed gas pushes out __________ in all directions
The formation of rust
Scratch hardness
equally
Measurement
32. 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
magnetic field
Efficiently
Inclined plane
Non - metals in the periodic table
33. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Table salt
Newton's second law of motion
Electric current
Lever
34. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Energy
Electric circuit
Charles's Law
Litmus
35. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
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36. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Weight
Pulley/block
Rebound hardness
pressure and temperature
37. Collect Data (results) - Analyze the data to look for patterns or trends - Record measurements and observations during the experiment - Present data in a graph - table - or another form
Screw
Test experiment - Step 3
pressure and temperature
Hydrogen
38. The branches of natural sciences that study the nature and properties of energy and non - living matter
Refractive index
Physical sciences
Rainbow
The formation of rust
39. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Carbon
freezing point
Iron
Hydrogen
40. The number of waves produced in a given time
Newton's first law of motion
Gravitation
Frequency
Electricity
41. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Heat conduction/Thermal conduction
pH indicator
Three states of matter
Litmus
42. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Test experiment - Step 1 - Select the materials
Non - metals in the periodic table
Develop a hypothesis
number of protons
43. For every action (applied force) - there is an equal and opposite reaction
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44. 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
Water
chemical symbol
Physical sciences
Chemical elements
45. 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
Electromagnetic radiation
equally
Third - class lever
Solution
46. 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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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
Efficiently
Materials with high conductivity
Pitch
48. 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)
Matter
Carbon dioxide and methane
Lever
number of protons
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
Inclined plane
Incandescent light bulb
Compounds
Independent variable (manipulated variable)
50. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Violet
Physical sciences
Physical properties
Scratch hardness