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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. 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
groups or families
Convection
Deposition
2. Some gases can transition directly to a solid Example: the formation of frost
Ratio of the length of its slope to its width
nucleus
Test experiment - Step 3
Deposition
3. 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
Higher boiling point
nucleus
Crest
Independent variable (manipulated variable)
4. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Nonrenewable energy
pressure and temperature
Gravitation
Carbon
5. 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
Materials with poor conductivity
The periodic table of the elements
Thermal radiation
Chemical reactions
6. Designed to separate substances in a liquid through vaporization - Usually carried out in an apparatus called a still - which requires a boiler - a condenser - and a receiver Example: Purify ocean water
Newton's first law of motion
Optics
Distillation
Nuclear fusion
7. List the specific materials to be used in the experiment - This allows for replication of the experiment
Water
Angle of refraction
Test experiment - Step 1 - Select the materials
Electricity
8. 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
Compounds
Mechanical advantage
Liquids
Density
9. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Kinetic and potential energy
Ballast
Oxygen
10. Hard matter is ______ with soft matter
contrasted
Hardness
Chemical elements
Rebound hardness
11. 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
First - class lever
Metals in the periodic table
Violet
Scratch hardness
12. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Reflection
number of protons
Convection
Dependent variable (responding variable)
13. 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
Gases
Independent variable (manipulated variable)
Electrons
Convection
14. 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
Motion
Chemical reactions
Mass
Incandescent light bulb
15. Heat can be converted to motion - and motion can produce heat
Wedge
Physical changes
Thermal energy
Litmus
16. 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
Simple machine
Carbon
Electromagnetic radiation
pH indicator
17. Energy can be neither created nor destroy
contrasted
Wedge
Law of conservation of energy
Solution
18. Some of the light is reflected - the angle of reflection being equal to the...
Angle of incidence
Mechanical advantage
Electricity
Table salt
19. Salt has a ___________ than water and therefore doesn't evaporate with the water
Law of conservation of energy
ratio of the length of the sloped surface to the height
Higher boiling point
Litmus
20. 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
intermediate
Nuclear energy
The periodic table of the elements
The six classical simple machines
21. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Test experiment - Step 3
Hydrogen
Measurement
Motion
22. 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
Iron
Screw
Renewable energy
Kinetic and potential energy
23. 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
The periodic table of the elements
Interval
Refraction
Magnetism
24. A gas - discharge lamp that uses electricity to excite mercury vapor - The excited mercury atoms produce short - wave ultraviolet light that then causes a phosphor to fluoresce - producing visible light
Fluorescent lamp/fluorescent tube
Oxygen
Newton's first law of motion
Deposition
25. 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
Metals in the periodic table
Weight
Materials with high conductivity
26. 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
magnetic field
Steps in conducting a scientific investigation
Independent variable (manipulated variable)
Thermal energy
27. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Newton's second law of motion
Carbon
contrasted
Physical properties
28. 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
Electric circuit
Screw
The periodic table of the elements
Dependent variable (responding variable)
29. 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
Electric current
Litmus test
Law of conservation of energy
30. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
pH indicator
Boyle's Law
Scratch hardness
First - class lever
31. 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
Thermal radiation
Crest
nucleus
Scratch hardness
32. 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
117
Ratio of the length of its slope to its width
Nuclear fission
Test experiment - Step 1 - Select the materials
33. 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
Motion
Wheel and axle
Refractive index
Electricity
34. 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)
Electrons
groups or families
Steps in conducting a scientific investigation
Nuclear energy
35. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Energy
Interval
Non - metals in the periodic table
Newton's third law of motion
36. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
number of protons
Angle of refraction
Water
Frequency
37. 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
Draw conclusion
Wheel and axle
Kinetic and potential energy
Rainbow
38. 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
Sublimination
Measurement
Distillation
Water
39. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Weight
proportional to its mass
Nuclear fission
Lever
40. 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
Newton's second law of motion
Wheel and axle
Boyle's Law
Static electricity
41. 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
freezing point
Electricity
Variables that are controlled
chemical symbol
42. 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
Efficiently
Develop a hypothesis
Test experiment - Step 3
Current
43. Displayed by permanent magnets and around electric currents
Higher boiling point
Magnetism
proportional to its mass
Physical properties
44. The sum of the protons and neutrons gives an ______________ for the element
Weight
Temperature conversions
average atomic mass
Mechanical advantage
45. 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
Wedge
Second - class lever
Fahrenheit (
Measurement
46. A compressed gas pushes out __________ in all directions
equally
Nuclear energy
Newton's first law of motion
Chemical reactions
47. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
Non - metals in the periodic table
Variables that are controlled
Reflection
48. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Velocity
Independent variable (manipulated variable)
Mixture
Nonrenewable energy
49. If the pressure increases - the volume decreases; the reverse is true as well
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50. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Ratio of the length of its slope to its width
Inclined plane
Helium
Indentation hardness