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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
Amplitude
intermediate
Incandescent light bulb
groups or families
2. 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
Physical properties
The formation of rust
Acceleration
Solution
3. 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
Electric circuit
presence
Physical sciences
Kinetic and potential energy
4. 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
Three states of matter
Static electricity
ratio of the length of the sloped surface to the height
Sublimination
5. 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
Distillation
Charles's Law
Boyle's Law
Angle of refraction
6. Made by combining two or more different materials without a chemical reaction occurring (the objects do not bond together) - They are the product of a mechanical blending or mixing of chemical substances - Either homogeneous or heterogeneous
Ballast
Three principal operational definitions of hardness
Mixture
Fahrenheit (
7. Solids - liquids - and gases
Three states of matter
Nuclear fission
Pitch
Incandescent light bulb
8. The top of a wave's 'hill'
Kinetic and potential energy
Crest
Test experiment - Step 3
Boyle's Law
9. 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
Refractive index
Kinetic and potential energy
Static electricity
Metals in the periodic table
10. Heat can be converted to motion - and motion can produce heat
Thermal energy
ratio of the length of the sloped surface to the height
Draw conclusion
Pitch
11. For every action (applied force) - there is an equal and opposite reaction
12. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
The six classical simple machines
Gases
Liquids
Physical sciences
13. 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
Pulley/block
The formation of rust
proportional to its mass
14. 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
Angle of incidence
Mechanical advantage
Three states of matter
Chemical changes
15. 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
Angle of incidence
chemical symbol
Frequency
Develop a hypothesis
16. The pitch of a sound depends on how fast the particles of a medium vibrate
Variables that are controlled
Gases
Pitch
Kinetic and potential energy
17. 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)
Higher boiling point
Newton's first law of motion
equally
Lever
18. A mechanical device that changes the direction or magnitude of a force - The simplest mechanisms that use mechanical advantage to multiply force - Uses a single applied force to do work against a single load force
Independent variable (manipulated variable)
Law of conservation of energy
Simple machine
Table salt
19. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
20. 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
Materials with poor conductivity
Refractive index
Light
Weight
21. 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
Fahrenheit (
Litmus
Matter
Charles's Law
22. Scratch hardness - indentation hardness - and rebound hardness
Rainbow
Efficiently
Three principal operational definitions of hardness
Gravity
23. 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 the sloped surface to the height
Electromagnetic radiation
Oxygen
Draw conclusion
24. The beginning of scientific wisdom - The physicist's first reaction to a new idea is to ask: Can it be measured? Can I describe it with numbers?
Newton's first law of motion
Steps in conducting a scientific investigation
Measurement
Variables that are controlled
25. 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
Thermal radiation
Fluorescent lamp/fluorescent tube
117
number of protons
26. 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
contrasted
Independent variable (manipulated variable)
117
Variables that are controlled
27. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Renewable energy
Temperature conversions
Fahrenheit (
Thermal energy
28. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Develop a hypothesis
Static electricity
Weight
presence
29. 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
Higher boiling point
Law of reflection
Table salt
Steps in conducting a scientific investigation
30. 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
Solids
Hydrogen
Chemical reactions
Electric circuit
31. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Nuclear energy
Table salt
Optics
Interval
32. Salt has a ___________ than water and therefore doesn't evaporate with the water
Newton's second law of motion
The periodic table of the elements
Frequency
Higher boiling point
33. A compressed gas pushes out __________ in all directions
Carbon dioxide and methane
Incandescent light bulb
equally
The six classical simple machines
34. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
Gases
Develop a hypothesis
Independent variable (manipulated variable)
Carbon dioxide and methane
35. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
First - class lever
contrasted
proportional to its mass
Uranium
36. List the specific materials to be used in the experiment - This allows for replication of the experiment
Distillation
Test experiment - Step 1 - Select the materials
equally
Density
37. 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
Litmus test
Mass
Thermal radiation
The periodic table of the elements
38. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Gravitation
Iron
First - class lever
Renewable energy
39. 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
Heat conduction/Thermal conduction
south pole
Physical sciences
40. 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
Test experiment - Step 2 - Set up the procedure
Boyle's Law
Wedge
41. 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
Electrons
Variables that are controlled
Electromagnetic radiation
Electric current
42. The path or circuit an electric current flows - Electricity requires a complete path for the electrons to flow - If the path is broken and there are not alternative paths for the electrons to follow - the electrons will not move - make it possible fo
Electric circuit
Rebound hardness
Physical sciences
pH indicator
43. 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
Atomic number
Materials with poor conductivity
Heat conduction/Thermal conduction
44. 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
Fluorescent lamp/fluorescent tube
Heat conduction/Thermal conduction
Mohs' scale of hardness
Nuclear fission
45. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Electric current
Materials with high conductivity
Light
Density
46. 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
Interval
Light
Efficiently
Thermal radiation
47. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Ballast
Uranium
Oxygen
Electric current
48. 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
Lever
Motion
First - class lever
Scratch hardness
49. Protons have a __________ electrical charge - and neutrons have no charge
Refractive index
positive
Sublimination
Electric current
50. Major greenhouse gases
Carbon dioxide and methane
Motion
Efficiently
Inclined plane